dsPIC33EP64GS505 - Electronic component Microchip - Free user manual and instructions

USER MANUAL dsPIC33EP64GS505 Microchip

16-Bit Digital Signal Controllers for Digital Power Applications with Interconnected High-Speed PWM, ADC, PGA and Comparators

Operating Conditions

• 3.0V to 3.6V, -40°C to +85°C, DC to 70 MIPS
• 3.0V to 3.6V, -40°C to +125°C, DC to 60 MIPS

Flash Architecture

• Dual Partition Flash Program Memory with Live Update (64-Kbyte devices):
• Supports programming while operating
• Supports partition soft swap

Core: 16-Bit dsPIC33E CPU

• Code-Efficient (C and Assembly) Architecture
- Two 40-Bit Wide Accumulators
- Single-Cycle (MAC/MPY) with Dual Data Fetch
- Single-Cycle Mixed-Sign MUL Plus Hardware Divide
• 32-Bit Multiply Support
- Two Additional Working Register Sets (reduces context switching)

Clock Management

• ±0.9% Internal Oscillator
- Programmable PLLs and Oscillator Clock Sources
- Fail-Safe Clock Monitor (FSCM)
• Independent Watchdog Timer (WDT)
- Fast Wake-up and Start-up

Power Management

• Low-Power Management modes (Sleep, Idle, Doze)
• Integrated Power-on Reset and Brown-out Reset
  • 0.5 mA/MHz Dynamic Current (typical)
  • 1 0 pA Current (typical)

High-Speed PWM

• Five PWM Generators (two outputs per generator)
• Individual Time Base and Duty Cycle for each PWM
• 1.04 ns PWM Resolution (frequency, duty cycle, dead time and phase)
  • Supports Center-Aligned, Redundant, Complementary and True Independent Output modes
• Independent Fault and Current-Limit Inputs
• Output Override Control
• PWM Support for AC/DC, DC/DC, Inverters, PFC and Lighting

Advanced Analog Features

• High-Speed ADC module:
- 12-bit with 4 dedicated SAR ADC cores and one shared SAR ADC core
- Configurable resolution (up to 12-bit) for each ADC core
- Up to 3.25 Msps conversion rate per channel at 12-bit resolution
- 12 to 22 single-ended inputs
- Dedicated result buffer for each analog channel
- Flexible and independent ADC trigger sources
- Two digital comparators
- Two oversampling filters for increased resolution
- Four Rail-to-Rail Comparators with Hysteresis:
- Dedicated 12-bit Digital-to-Analog Converter (DAC) for each analog comparator
- Up to two DAC reference outputs
- Up to two external reference inputs
- Two Programmable Gain Amplifiers:
- Single-ended or independent ground reference
- Five selectable gains (4x, 8x, 16x, 32x and 64x)
- 40 MHz gain bandwidth

Interconnected SMPS Peripherals

• Reduces CPU Interaction to Improve Performance
• Flexible PWM Trigger Options for ADC Conversions
  • High-Speed Comparator Truncates PWM (15 ns typical):
• Supports Cycle-by-Cycle Current mode control
• Current Reset mode (variable frequency)

Timers/Output Compare/Input Capture

• Five 16-Bit and up to Two 32-Bit Timers/Counters
• Four Output Compare (OC) modules, Configurable as Timers/Counters
• Four Input Capture (IC) modules

Communication Interfaces

• Two UART modules (15 Mbps):
• Supports LIN/J2602 protocols and IrDA®
• Two 4-Wire SPI modules (15 Mbps)
• T w ^2 C modules (up to 1 Mbaud) with SMBus Support

Input/Output

• Constant-Current Source (10 μA nominal)
- Sink/Source up to 12mA/15mA, respectively; Pin-Specific for Standard V_OH / V_OL
- 5V Tolerant Pins
- Selectable, Open-Drain Pull-ups and Pull-Downs
• External Interrupts on All I/O Pins
- Peripheral Pin Select (PPS) to allow Function Remap with Six Virtual I/Os

Qualification and Class B Support

• AEC-Q100 REVG (Grade 1, -40°C to +125°C)
• Class B Safety Library, IEC 60730
- The 6x6x0.5 mm UQFN Package is Designed and Optimized to ease IPC9592B 2nd Level Temperature Cycle Qualification

Debugger Development Support

• In-Circuit and In-Application Programming
- Five Program and Three Complex Data Breakpoints
- IEEE 1149.2 Compatible (JTAG) Boundary Scan
- Trace and Run-Time Watch

Device	Pins	Program Memory Bytes	RAM (Bytes)	General Purpose I/O (GPIO)	Remappable Peripherals								I^2C	12-Bit ADC		PGA	Analog Comparator	DAC Output	Constant-Current Source	Packages
					Timers(1)	Input Capture	Output Compare	UART	SPI	PWM(2)	External Interrupts(3)	Reference Clock		Analog Inputs	S&H Circuits
dsPIC33EP16GS502	28	16K	2K	21	5	4	4	2	2	5x2	3	1	2	12	5	2	4	1	1	SOIC, QFN-S, UQFN
dsPIC33EP32GS502	28	32K	4K	21	5	4	4	2	2	5x2	3	1	2	12	5	2	4	1	1
dsPIC33EP64GS502	28	64K	8K	21	5	4	4	2	2	5x2	3	1	2	12	5	2	4	1	1
dsPIC33EP16GS504	44	16K	2K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1	QFN, TQFP
dsPIC33EP32GS504	44	32K	4K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1
dsPIC33EP64GS504	44	64K	8K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1
dsPIC33EP16GS505	48	16K	2K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1	TQFP
dsPIC33EP32GS505	48	32K	4K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1
dsPIC33EP64GS505	48	64K	8K	35	5	4	4	2	2	5x2	3	1	2	19	5	2	4	1	1
dsPIC33EP16GS506	64	16K	2K	53	5	4	4	2	2	5x2	4	1	2	22	5	2	4	2	1	TQFP
dsPIC33EP32GS506	64	32K	4K	53	5	4	4	2	2	5x2	4	1	2	22	5	2	4	2	1
dsPIC33EP64GS506	64	64K	8K	53	5	4	4	2	2	5x2	4	1	2	22	5	2	4	2	1

Note 1: The external clock for Timer1, Timer2 and Timer3 is remappable.
2: PWM4 and PWM5 are remappable on all devices except the 64-pin devices.
3: External interrupts, INT0 and INT4, are not remappable.

Pin Diagrams

28-Pin SOIC

MCLR 1 28 AVDD RA0 2 27 AVSS RA1 3 26 RA3 RA2 RA4 44 25 RB0 5 24 RB14 RB9 6 23 RB13 RB10 7 22 RB12 Vss 8 21 RB11 RB1 9 20 VCAP RB2 10 19 VSS RB3 11 18 RB7 RB4 12 17 RB6 V DD 13 16 RB5 RB8 14 15 RB15 dSPIC33EPXXGS502

Pin P	n Function Pin Pin Function
1	M C L R	15	PGE3/SCL2/RP47/RB15
2 AN0	/PGA1P1/CMP1A/RA0 16 TDO/AN19/PGA2N2/RP37/RB5
3	AN1/PGA1P2/PGA2P1/CMP1B/RA1	17	PGED1/TDI/AN20/SCL1/RP38/RB6
4	AN2/PGA1P3/PGA2P2/CMP1C/CMP2A/RA2	18	PGEC1/AN21/SDA1/RP39/RB7
5	AN3/PGA2P3/CMP1D/CMP2B/RP32/RB0	19	Vss
6	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9	20	VCAP
7	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10	21	TMS/PWM3H/RP43/RB11
8	Vss	22	TCK/PWM3L/RP44/RB12
9	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1	23	PWM2H/RP45/RB13
10	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2	24	PWM2L/RP46/RB14
11	PGED2/AN18/DACOUT1/INT0/RP35/RB3	25	PWM1H/RA4
12	PGEC2/ADTRG31/EXTREF1/RP36/RB4	26	PWM1L/RA3
13	VDD	27	AVss
14	PGED3/SDA2/FLT31/RP40/RB8	28	AVDD

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Pin Diagrams (Continued)

28-Pin QFN-S, UQFN

Pin P	n Function Pin Pin Function
1	AN2/PGA1P3/PGA2P2/CMP1C/CMP2A/RA2	15	PGEC1/AN21/SDA1/RP39/RB7
2 AN	3/PGA2P3/CMP1D/CMP2B/RP32/RB0 16 V		SS
3	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9	17	VCAP
4	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10	18	TMS/PWM3H/RP43/RB11
5	Vss	19	TCK/PWM3L/RP44/RB12
6	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1	20	PWM2H/RP45/RB13
7	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2	21	PWM2L/RP46/RB14
8	PGED2/AN18/DACOUT1/INT0/RP35/RB3	22	PWM1H/RA4
9 PG	EC2/ADTRG31/EXTREF1/RP36/RB4	23 PWM1	L/RA3
10	VDD	24 AV	VSS
11	PGED3/SDA2/FLT31/RP40/RB8	25 AV	VDD
12 PG	EC3/SCL2/RP47/RB15	26 MCLR	——
13	TDO/AN19/PGA2N2/RP37/RB5	27	AN0/PGA1P1/CMP1A/RA0
14	PGED1/TDI/AN20/SCL1/RP38/RB6	28	AN1/PGA1P2/PGA2P1/CMP1B/RA1

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Pin Diagrams (Continued)

44-Pin QFN

Pin P	n Function Pin Pin Function
1 PG	EC1/AN21/SDA1/RP39/RB7 23 AN2/PGA1P3/PGA2P2/CM	MP1C/CM	MP2A/RA2
2	AN1ALT/RP52/RC4	24	AN3/PGA2P3/CMP1D/CMP2B/RP32/RB0
3	AN0ALT/RP53/RC5	25	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9
4	AN17/RP54/RC6	26	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10
5	RP51/RC3	27	AN11/PGA1N3/RP57/RC9
6	Vss	28	AN10/PGA1P4/EXTREF2/RP58/RC10
7	VCAP	29 VDD
8	TMS/PWM3H/RP43/RB11	30	Vss
9	TCK/PWM3L/RP44/RB12	31	AN8/PGA2P4/CMP4C/RP49/RC1
10	PWM2H/RP45/RB13	32	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1
11	PWM2L/RP46/RB14	33	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2
12	PWM1H/RA4	34	PGED2/AN18/DACOUT1/INT0/RP35/RB3
13 PW	WM1L/RA3	35 PGEC2/ADTRG31/RP36/RB4
14	FLT12/RP48/RC0	36	AN9/CMP4D/EXTREF1/RP50 /RC2
15	FLT11/RP61/RC13	37	ASDA1/RP55/RC7
16 AV	SS	38	ASCL1/RP56/RC8
17 AV	DD	39 Vss
18 MCLR		40 VDD
19	AN12/ISRC1/RP59/RC11	41	PGED3/SDA2/FLT31/RP40/RB8
20	AN14/PGA2N3/RP60/RC12	42	PGEC3/SCL2/RP47/RB15
21	AN0/PGA1P1/CMP1A/RA0	43	TDO/AN19/PGA2N2/RP37/RB5
22	AN1/PGA1P2/PGA2P1/CMP1B/RA1	44	PGED1/TDI/AN20/SCL1/RP38/RB6

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Pin Diagrams (Continued)

44-Pin TQFP

Pin Pin Function Pin Pin Function
1 PGE C1/AN21/SDA1/RP39/RB7 23 AN2/PGA1P3/PGA2P2/CMP1C/CMP2A/RA2
2	AN1ALT/RP52/RC4	24	AN3/PGA2P3/CMP1D/CMP2B/RP32/RB0
3	AN0ALT/RP53/RC5	25	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9
4	AN17/RP54/RC6	26	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10
5	RP51/RC3	27	AN11/PGA1N3/RP57/RC9
6	Vss	28	AN10/PGA1P4/EXTREF2/RP58/RC10
7	VCAP	29 VDD
8	TMS/PWM3H/RP43/RB11	30	Vss
9	TCK/PWM3L/RP44/RB12	31	AN8/PGA2P4/CMP4C/RP49/RC1
10	PWM2H/RP45/RB13	32	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1
11	PWM2L/RP46/RB14	33	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2
12	PWM1H/RA4	34	PGED2/AN18/DACOUT1/INT0/RP35/RB3
13 PWM1L/RA3		35 PGE C2/ADTRG31/RP36/RB4
14	FLT12/RP48/RC0	36	AN9/CMP4D/EXTREF1/RP50 /RC2
15	FLT11/RP61/RC13	37	ASDA1/RP55/RC7
16 AV	SS	38	ASCL1/RP56/RC8
17 AV	DD	39 Vss
18 MCLR		40 VDD
19	AN12/ISRC1/RP59/RC11	41	PGED3/SDA2/FLT31/RP40/RB8
20	AN14/PGA2N3/RP60/RC12	42	PGEC3/SCL2/RP47/RB15
21	AN0/PGA1P1/CMP1A/RA0	43	TDO/AN19/PGA2N2/RP37/RB5
22	AN1/PGA1P2/PGA2P1/CMP1B/RA1	44	PGED1/TDI/AN20/SCL1/RP38/RB6

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Pin Diagrams (Continued)

48-Pin TQFP

dsPIC33EPXXGS505 RB6 RB5 RB15 RB8 N/C VDD VSS RC8 RC7 RC2 RB4 RB3 RB7 1 36 RB2 RC4 2 35 RB1 RC5 3 34 RC1 RC6 4 33 N/C RC3 5 32 Vss Vss 6 31 VDD VCAP 7 30 RC10 N/C 8 29 RC9 RB11 9 28 RB10 RB12 10 27 RB9 RB13 11 26 RB0 RB14 12 25 RA2 RA4 13 24 RA3 14 RA0 15 RC0 16 RC13 17 N/C 18 AVSS 19 AVDD 20 MCLR 21 RC11 22 RC12 23 RA0 24 RA1

Pin P	n Function Pin Pin Function
1	P/EC1/AN21/SDA1/RP39/RB7 25 AN2/PGA1P3/PGA2P2/CMP1C/CMP2A/RA2
2	AN1ALT/RP52/RC4	26	AN3/PGA2P3/CMP1D/CMP2B/RP32/RB0
3	AN0ALT/RP53/RC5	27	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9
4	AN17/RP54/RC6	28	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10
5	RP51/RC3	29	AN11/PGA1N3/RP57/RC9
6	VSS	30	AN10/PGA1P4/EXTREF2/RP58/RC10
7	VCAP	31 VDD
8	N / C		3 2 V ss
9	T M S / P W M 3 H /	RP43/RB11	33 N/C
10	TCK/PWM3L/RP44/RB12	34	AN8/PGA2P4/CMP4C/RP49/RC1
11	PWM2H/RP45/RB13	35	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1
12	PWM2L/RP46/RB14	36	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2
13	PWM1H/RA4	37	PGED2/AN18/DACOUT1/INT0/RP35/RB3
14	PWM1L/RA3	38 PGEC2/ADTRG31/RP36/RB4
15	FLT12/RP48/RC0	39	AN9/CMP4D/EXTREF1/RP50 /RC2
16	FLT11/RP61/RC13	40	ASDA1/RP55/RC7
17 N/C		41 ASCL1/RP56/RC8
18 AV	ss	42 Vss
19 AVDD		43 VDD
20 MCLR		44 N/C
21	AN12/ISRC1/RP59/RC11	45	PGED3/SDA2/FLT31/RP40/RB8
22	AN14/PGA2N3/RP60/RC12	46	PGEC3/SCL2/RP47/RB15
23	AN0/PGA1P1/CMP1A/RA0	47	TDO/AN19/PGA2N2/RP37/RB5
24	AN1/PGA1P2/PGA2P1/CMP1B/RA1	48	PGED1/TDI/AN20/SCL1/RP38/RB6

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Pin Diagrams (Continued)
64-Pin TQFP

Pin	Pin Function Pin Pin Function
1	PWM4L/RD3 33 PGEC2/ADTRG31/RP36/RB4
2	PWM1H/RA4 34 RP62/RC14
3	PWM1L/RA3 35 AN9/CMP4D/EXTREF1/RP50/RC2
4	FLT12/RP48/RC0	36	ASDA1/RP55/RC7
5	FLT11/RP61/RC13	37	ASCL1/RP56/RC8
6	FLT10/RD10	38 V	DD
7	MCLR	39	RD14
8	FLT9/T5CK/RD12 40 RD9
9	Vss	41 Vss
10	VDD	42 RD8
11	AN12/ISRC1/RP59/RC11	43	PGED3/SDA2/FLT31/RP40/RB8
12	AN14/PGA2N3/RP60/RC12	44	PGEC3/SCL2/RP47/RB15
13	AN0/PGA1P1/CMP1A/RA0	45 INT4/RD11
14	AN1/PGA1P2/PGA2P1/CMP1B/RA1	46	TDO/AN19/PGA2N2/RP37/RB5
15	AN2/PGA1P3/PGA2P2/CMP1C/CMP2A/RA2	47 T4CK/RD0
16	AN3/PGA2P3/CMP1D/CMP2B/RP32/RB0	48	PGED1/TDI/AN20/SCL1/RP38/RB6
17	AN4/CMP2C/CMP3A/ISRC4/RP41/RB9	49	PGEC1/AN21/SDA1/RP39/RB7
18	AN5/CMP2D/CMP3B/ISRC3/RP42/RB10	50	AN1ALT/RP52/RC4
19	AVDD	51	AN0ALT/RP53/RC5
20	AVSS	52	AN17/RP54/RC6
21	AN15/RD7	53 RD5
22	AN13/DACOUT2/RD13	54 PWM5H/RD6
23	AN11/PGA1N3/RP57/RC9	55	PWM5L/RP51/RC3
24	AN10/PGA1P4/EXTREF2/RP58/RC10	56	VCAP
25	Vss	57	VDD
26	VDD	58	RD4
27	AN8/PGA2P4/CMP4C/RP49/RC1	59	RD15
28	OSC1/CLKI/AN6/CMP3C/CMP4A/ISRC2/RP33/RB1	60	TMS/PWM3H/RP43/RB11
29	OSC2/CLKO/AN7/PGA1N2/CMP3D/CMP4B/RP34/RB2	61	TCK/PWM3L/RP44/RB12
30	AN16/RD2	62	PWM2H/RP45/RB13
31	ASDA2/RP63/RC15	63	PWM2L/RP46/RB14
32	PGED2/AN18/DACOUT1/ASCL2/INT0/RP35/RB3	64 PWM4H/RD1

Legend: Shaded pins are up to 5 VDC tolerant.
RPn represents remappable peripheral functions. See Table 10-1 and Table 10-2 for the complete list of remappable sources.

Table of Contents

1.0 Device Overview 11

2.0 Guidelines for Getting Started with 16-Bit Digital Signal Controllers.... 15

3.0 CPU 21

4.0 Memory Organization....31

5.0 Flash Program Memory....77

6.0 Resets 85

7.0 Interrupt Controller 89

8.0 Oscillator Configuration....103

9.0 Power-Saving Features....115

10.0 I/O Ports 125

11.0 Timer1 163

12.0 Timer2/3 and Timer4/5 167

13.0 Input Capture.... 171

14.0 Output Compare 175

15.0 High-Speed PWM....181

16.0 Serial Peripheral Interface (SPI)....207

17.0 Inter-Integrated Circuit (I 2C) 215

18.0 Universal Asynchronous Receiver Transmitter (UART) 223

19.0 High-Speed, 12-Bit Analog-to-Digital Converter (ADC).... 229

20.0 High-Speed Analog Comparator 263

21.0 Programmable Gain Amplifier (PGA) 271

22.0 Constant-Current Source 275

23.0 Special Features 277

24.0 Instruction Set Summary 289

25.0 Development Support.... 299

26.0 Electrical Characteristics.... 303

27.0 DC and AC Device Characteristics Graphs 349

28.0 Packaging Information.... 353

Appendix A: Revision History 377

Index 379

The Microchip Web Site 385

Customer Change Notification Service 385

Customer Support 385

Product Identification System 387

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1.0 DEVICE OVERVIEW

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive resource. To complement the information in this data sheet, refer to the related section of the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

This document contains device-specific information for the dsPIC33EPXXGS50X Digital Signal Controller (DSC) devices.

dsPIC33EPXXGS50X devices contain extensive Digital Signal Processor (DSP) functionality with a high-performance, 16-bit MCU architecture.

Figure 1-1 shows a general block diagram of the core and peripheral modules. Table 1-1 lists the functions of the various pins shown in the pinout diagrams.

FIGURE 1-1: dsPIC33EPXXGS50X FAMILY BLOCK DIAGRAM

graph TD
    A["CPU Refer to Figure 3-1 for CPU diagram details."] --> B["Timing Generation"]
    B --> C["Power-up Timer"]
    C --> D["Oscillator Start-up Timer"]
    C --> E["POR/BOR"]
    C --> F["Watchdog Timer"]
    G["OSC1/CLKI"] --> B
    H["MCLR"] --> C
    I["VDD, VSS AVDD, AVss"] --> C
    J["PORTA"] --> K["Porta"]
    L["PORTB"] --> K
    M["PORTC"] --> K
    N["PORTD"] --> K
    O["Remappable Pins"] --> P["Ports"]
    Q["Peripheral Modules"] --> R["PGA1, PGA2"]
    Q --> S["ADC"]
    Q --> T["Input Captures"]
    Q --> U["Output Compares 1-41-4"]
    Q --> V["I2C1, I2C2"]
    R --> W["Constant Current Source"]
    S --> X["Analog Comparators 1-4"]
    T --> Y["PWMs 5x2"]
    U --> Z["Timers 1-5"]
    V --> AA["SPI1, SPI2"]
    V --> AB["UART1, UART2"]

TABLE 1-1: PINOUT I/O DESCRIPTIONS

Pin Name^(1)	Pin Type	Buffer Type	PPS	Description
AN0-AN21AN0ALT-AN1ALT	I	Analog	No	Analog input channels.
	I	Analog	No	Alternate analog input channels.
CLKICLKO	I	ST/CMOS	No	External clock source input. Always associated with OSC1 pin function.Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. Optionally functions as CLKO in RC and EC modes.Always associated with OSC2 pin function.
	O	—	No
OSC1OSC2	I	ST/CMOS	No	Oscillator crystal input. ST buffer when configured in RC mode; CMOS otherwise.Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. Optionally functions as CLKO in RC and EC modes.
	I/O	—	No
REFCLKO O — Yes Reference clock output.
IC1-IC4 I ST Yes Capture Inputs 1 through 4.
OCFAOC1-OC4	I	ST	Yes	Compare Fault A input (for compare channels).Compare Outputs 1 through 4.
	O	—	Yes
INT0INT1INT2INT4	I	ST	No	External Interrupt 0.External Interrupt 1.External Interrupt 2.External Interrupt 4.
	I	ST	Yes
	I	ST	Yes
	I	ST	No
RA0-RA4 I/O ST No PORTA is a bidirectional I/O port.
RB0-RB15	I/O ST No PORTB is a bidirectional I/O port.
RC0-RC15	I/O ST No PORTC is a bidirectional I/O port.
RD0-RD15	I/O ST No PORTD is a bidirectional I/O port.
T1CKT2CKT3CKT4CKT5CK	I	ST	Yes	Timer1 external clock input.Timer2 external clock input.Timer3 external clock input.Timer4 external clock input.Timer5 external clock input.
	I	ST	Yes
	I	ST	Yes
	I	ST	Yes
	I	ST	No
	I	ST	No
U1CTS U1RTSU1RXU1TXBCLK1	I	ST	Yes	UART1 Clear-to-Send.UART1 Request-to-Send.UART1 receive.
	O	—	Yes
	I	ST	Yes
	O	—	Yes
	O	ST	Yes
U2CTS U2RTSU2RXU2TXBCLK2	I	ST	Yes	UART2 Clear-to-Send.UART2 Request-to-Send.UART2 receive.
	O	—	Yes
	I	ST	Yes
	O	—	Yes
	O	ST	Yes
SCK1SDI1SDO1SS1	I/O	ST	Yes	Synchronous serial clock input/output for SPI1.SPI1 data in.SPI1 data out.SPI1 slave synchronization or frame pulse I/O.
	I	ST	Yes
	O	—	Yes
	I/O	ST	Yes
SCK2SDI2SDO2SS2	I/O	ST	Yes	Synchronous serial clock input/output for SPI2.SPI2 data in.SPI2 data out.SPI2 slave synchronization or frame pulse I/O.
	I	ST	Yes
	O	—	Yes
	I/O	ST	Yes

Legend: CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels PPS = Peripheral Pin Select

Analog = Analog input O = Output TTL = TTL input buffer

P = Power I = Input
1: Not all pins are available in all packages variants. See the "Pin Diagrams" section for pin availability.
2: These pins are dedicated on 64-pin devices.

TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name^(1)	Pin Type	Buffer Type	PPS	Description
SCL1	I/O	ST	No	Synchronous serial clock input/output for I2C1.
SDA1	I/O	ST	No	Synchronous serial data input/output for I2C1.
ASCL1	I/O	ST	No	Alternate synchronous serial clock input/output for I2C1.
ASDA1	I/O	ST	No	Alternate synchronous serial data input/output for I2C1.
SCL2	I/O	ST	No	Synchronous serial clock input/output for I2C2.
SDA2	I/O	ST	No	Synchronous serial data input/output for I2C2.
ASCL2	I/O	ST	No	Alternate synchronous serial clock input/output for I2C2.
ASDA2	I/O	ST	No	Alternate synchronous serial data input/output for I2C2.
TMS	I	ST	No	JTAG Test mode select pin.
TCK	I	ST	No	JTAG test clock input pin.
TDI	I	ST	No	JTAG test data input pin.
TDO	O	—	No	JTAG test data output pin.
FLT1-FLT8	I	ST	Yes	PWM Fault Inputs 1 through 8.
FLT9-FLT12	I	ST	No	PWM Fault Inputs 9 through 12.
FLT31	I	ST	No	PWM Fault Input 31 (Class B Fault).
PWM1L-PWM3L	O	—	No	PWM Low Outputs 1 through 3.
PWM1H-PWM3H	O	—	No	PWM High Outputs 1 through 3.
PWM4L-PWM5L^(2)	O	—	Yes	PWM Low Outputs 4 and 5.
PWM4H-PWM5H^(2)	O	—	Yes	PWM High Outputs 4 and 5.
SYNC11, SYNC12	I	ST	Yes	PWM Synchronization Inputs 1 and 2.
SYNCO1, SYNCO2	O	—	Yes	PWM Synchronization Outputs 1 and 2.
CMP1A-CMP4A	I	Analog	No	Comparator Channels 1 through 4 A input.
CMP1B-CMP4B	I	Analog	No	Comparator Channels 1 through 4 B input.
CMP1C-CMP4C	I	Analog	No	Comparator Channels 1 through 4 C input.
CMP1D-CMP4D	I	Analog	No	Comparator Channels 1 through 4 D input.
DACOUT1, DACOUT2	O — No DAC Output			Voltages 1 and 2.
EXTREF1, EXTREF2 I	Analog No External Voltage Reference Inputs 1 and 2 for the reference DACs.
ISRC1-ISRC4 O Analog No Constant-Current Outputs 1 through 4.
PGA1P1-PGA1P4 I Analog No PGA1 Positive Inputs 1 through 4.
PGA1N1-PGA1N3	I Analog No PGA1 Negative Inputs 1 through 3.
PGA2P1-PGA2P4 I Analog No PGA2 Positive Inputs 1 through 4.
PGA2N1-PGA2N3	I Analog No PGA2 Negative Inputs 1 through 3.
ADTRG31	I	ST	No	External ADC trigger source.
PGED1	I/O	ST	No	Data I/O pin for Programming/Debugging Communication Channel 1.
PGEC1	I	ST	No	Clock input pin for Programming/Debugging Communication Channel 1.
PGED2	I/O	ST	No	Data I/O pin for Programming/Debugging Communication Channel 2.
PGEC2	I	ST	No	Clock input pin for Programming/Debugging Communication Channel 2.
PGED3	I/O	ST	No	Data I/O pin for Programming/Debugging Communication Channel 3.
PGEC3	I	ST	No	Clock input pin for Programming/Debugging Communication Channel 3.

Legend: CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels PPS = Peripheral Pin Select

Analog = Analog input O = Output TTL = TTL input buffer

P = Power I = Input
1: Not all pins are available in all packages variants. See the "Pin Diagrams" section for pin availability.
2: These pins are dedicated on 64-pin devices.

TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name(1)	Pin Type	Buffer Type	PPS	Description
I/P ST No Master	Clear	(Reset)	input.	This pin is an active-low Reset to the device.
AVDD	P P	No Positive supply for analog modules. This pin must be connected at all times.
AVSS	P P	No Ground reference for analog modules. This pin must be connected at all times.
VDD	P —	No Positive supply for peripheral logic and I/O pins.
VCAP	P —	No CPU logic filter capacitor connection.
Vss	P —	No Ground reference for logic and I/O pins.

Legend: CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels PPS = Peripheral Pin Select

Analog = Analog input O = Output I = Input TTL = TTL input buffer

P = Power
1: Not all pins are available in all packages variants. See the "Pin Diagrams" section for pin availability.
2: These pins are dedicated on 64-pin devices.

2.0 GUIDELINES FOR GETTING STARTED WITH 16-BIT DIGITAL SIGNAL CONTROLLERS

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to the related section of the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

2.1 Basic Connection Requirements

Getting started with the dsPIC33EPXXGS50X family requires attention to a minimal set of device pin connections before proceeding with development. The following is a list of pin names which must always be connected:

• A I _DD and Vss pins (see Section 2.2 “Decoupling Capacitors”)
• A I I DA and AVSS pins regardless if ADC module is not used (see Section 2.2 "Decoupling Capacitors")
• V_CAP (see Section 2.3 "CPU Logic Filter Capacitor Connection (VCAP)")
• M C L R pin (see Section 2.4 "Master Clear (MCLR) Pin")
• PGECx/PGEDx pins used for In-Circuit Serial Programming™ (ICSP™) and debugging purposes (see Section 2.5 "ICSP Pins")
• OSC1 and OSC2 pins when external oscillator source is used (see Section 2.6 "External Oscillator Pins")

2.2 Decoupling Capacitors

The use of decoupling capacitors on every pair of power supply pins, such as V_DD , V_SS , AV_DD and AV_SS is required.

Consider the following criteria when using decoupling capacitors:

- Value and type of capacitor: Recommendation of 0.1 F (100 nF), 10-20V. This capacitor should be a low-ESR and have resonance frequency in the range of 20 MHz and higher. It is recommended to use ceramic capacitors.

- Placement on the printed circuit board: The decoupling capacitors should be placed as close to the pins as possible. It is recommended to place the capacitors on the same side of the board as the device. If space is constricted, the capacitor can be placed on another layer on the PCB using a via; however, ensure that the trace length from the pin to the capacitor is within one-quarter inch (6 mm) in length.

- Handling high-frequency noise: If the board is experiencing high-frequency noise, above tens of MHz, add a second ceramic-type capacitor in parallel to the above described decoupling capacitor. The value of the second capacitor can be in the range of 0.01 F to 0.001 F . Place this second capacitor next to the primary decoupling capacitor. In high-speed circuit designs, consider implementing a decade pair of capacitances as close to the power and ground pins as possible. For example, 0.1 F in parallel with 0.001 F .

- Maximizing performance: On the board layout from the power supply circuit, run the power and return traces to the decoupling capacitors first, and then to the device pins. This ensures that the decoupling capacitors are first in the power chain. Equally important is to keep the trace length between the capacitor and the power pins to a minimum, thereby reducing PCB track inductance.

FIGURE 2-1: RECOMMENDED MINIMUM CONNECTION

VDD R R1 C MCLR 10 µF Tantalum VCAP dsPIC33EP 0.1 µF Ceramic VDD VSS VDD VSS 0.1 µF Ceramic 0.1 µF Ceramic VSS VDD VSS AVDD AVSS VDD VSS 0.1 µF Ceramic 0.1 µF Ceramic L1(1)

Note 1: As an option, instead of a hard-wired connection, an inductor (L1) can be substituted between VDD and AVDD to improve ADC noise rejection. The inductor impedance should be less than 1 and the inductor capacity greater than 10 mA.

Where:

$$ f \quad \frac {F _ {C N V}}{2} = \quad (\text { i.e., ADC Conversion Rate / 2 }) $$

$$ f = \frac {1}{(2 \pi \sqrt {L C})} $$

$$ L = \left(\frac {1}{(2 \pi f \sqrt {C})}\right) ^ {2} $$

2.2.1 TANK CAPACITORS

On boards with power traces running longer than six inches in length, it is suggested to use a tank capacitor for integrated circuits including DSCs to supply a local power source. The value of the tank capacitor should be determined based on the trace resistance that connects the power supply source to the device and the maximum current drawn by the device in the application. In other words, select the tank capacitor so that it meets the acceptable voltage sag at the device. Typical values range from 4.7 F to 47 F.

2.3 CPU Logic Filter Capacitor Connection (VCAP)

A low-ESR (<0.5 Ω) capacitor is required on the VCAP pin, which is used to stabilize the voltage regulator output voltage. The VCAP pin must not be connected to VDD and must have a capacitor greater than 4.7 μF (10 μF is recommended), 16V connected to ground. The type can be ceramic or tantalum. See Section 26.0 "Electrical Characteristics" for additional information.

The placement of this capacitor should be close to the VCAP pin. It is recommended that the trace length not exceeds one-quarter inch (6 mm). See Section 23.4 "On-Chip Voltage Regulator" for details.

2.4 Master Clear (MCLR) Pin

The MCLR pin provides two specific device functions:

• Device Reset
  • Device Programming and Debugging.

During device programming and debugging, the resistance and capacitance that can be added to the pin must be considered. Device programmers and debuggers drive the MCLR pin. Consequently, specific voltage levels (VIH and VIL) and fast signal transitions must not be adversely affected. Therefore, specific values of R and C will need to be adjusted based on the application and PCB requirements.

For example, as shown in Figure 2-2, it is recommended that the capacitor C, be isolated from the MCLR pin during programming and debugging operations.

Place the components as shown in Figure 2-2 within one-quarter inch (6 mm) from the MCLR pin.

FIGURE 2-2: EXAMPLE OF MCLR PIN CONNECTIONS

VDD R(1) R1 (2) JP C MCLR dsPIC33EP

Note 1: R ≤ 10 kΩ is recommended. A suggested starting value is 10 kΩ. Ensure that the MCLR pin VIHand VIL specifications are met.
2: R1 ≤ 470Ω will limit any current flowing into MCLR from the external capacitor, C, in the event of MCLR pin breakdown due to Electrostatic Discharge (ESD) or Electrical Overstress (EOS). Ensure that the MCLR pin VIH and VIL specifications are met.

2.5 ICSP Pins

The PGECx and PGEDx pins are used for ICSP and debugging purposes. It is recommended to keep the trace length between the ICSP connector and the ICSP pins on the device as short as possible. If the ICSP connector is expected to experience an ESD event, a series resistor is recommended, with the value in the range of a few tens of Ohms, not to exceed 100 Ohms.

Pull-up resistors, series diodes and capacitors on the PGECx and PGEDx pins are not recommended as they will interfere with the programmer/debugger communications to the device. If such discrete components are an application requirement, they should be removed from the circuit during programming and debugging. Alternatively, refer to the AC/DC characteristics and timing requirements information in the respective device Flash programming specification for information on capacitive loading limits and pin Voltage Input High (VIH) and Voltage Input Low (VL) requirements.

Ensure that the "Communication Channel Select" (i.e., PGECx/PGEDx pins) programmed into the device matches the physical connections for the ICSP to MPLAB ^ PICkit ^TM 3, MPLAB ICD 3, or MPLAB REAL ICE ^TM .

For more information on MPLAB ICD 2, MPLAB ICD 3 and REAL ICE connection requirements, refer to the following documents that are available on the Microchip web site.

• "Using MPLAB ^ ICD 3" (poster) DS51765
  • "Multi-Tool Design Advisory" DS51764
• "MPLAB® REAL ICE™ In-Circuit Emulator User's Guide" DS51616
• "Using MPLAB ^ REAL ICE ^TM In-Circuit Emulator" (poster) DS51749

2.6 External Oscillator Pins

Many DSCs have options for at least two oscillators: a high-frequency primary oscillator and a low-frequency secondary oscillator. For details, see Section 8.0 "Oscillator Configuration" for details.

The oscillator circuit should be placed on the same side of the board as the device. Also, place the oscillator circuit close to the respective oscillator pins, not exceeding one-half inch (12 mm) distance between them. The load capacitors should be placed next to the oscillator itself, on the same side of the board. Use a grounded copper pour around the oscillator circuit to isolate them from surrounding circuits. The grounded copper pour should be routed directly to the MCU ground. Do not run any signal traces or power traces inside the ground pour. Also, if using a two-sided board, avoid any traces on the other side of the board where the crystal is placed. A suggested layout is shown in Figure 2-3.

FIGURE 2-3: SUGGESTED PLACEMENT OF THE OSCILLATOR CIRCUIT

Main Oscillator Guard Ring Guard Trace Oscillator Pins

2.7 Oscillator Value Conditions on Device Start-up

If the PLL of the target device is enabled and configured for the device start-up oscillator, the maximum oscillator source frequency must be limited to 3 MHz < Fin < 5.5 MHz to comply with device PLL start-up conditions. This means that if the external oscillator frequency is outside this range, the application must start-up in the FRC mode first. The default PLL settings after a POR with an oscillator frequency outside this range will violate the device operating speed.

Once the device powers up, the application firmware can initialize the PLL SFRs, CLKDIV and PLLDBF to a suitable value, and then perform a clock switch to the Oscillator + PLL clock source. Note that clock switching must be enabled in the device Configuration Word.

2.8 Unused I/Os

Unused I/O pins should be configured as outputs and driven to a logic-low state.

Alternatively, connect a 1k to 10k resistor between Vss and unused pins and drive the output to logic low.

2.9 Targeted Applications

• Power Factor Correction (PFC)

• Interleaved PFC
• Critical Conduction PFC
• Bridgeless PFC

- DC/DC Converters

• Buck, Boost, Forward, Flyback, Push-Pull
• Half/Full-Bridge
• Phase-Shift Full-Bridge
• Resonant Converters

- DC/AC

• Half/Full-Bridge Inverter
• Resonant Inverter

Examples of typical application connections are shown in Figure 2-4 through Figure 2-6.

FIGURE 2-4: INTERLEAVED PFC

graph TD
    A["PGA/ADC Channel"] --> B["dsPIC33EPXXGS50X"]
    C["ADC Channel"] --> B
    D["VOUT+"] --> E["Diode"]
    E --> F["k1"]
    E --> G["k2"]
    E --> H["k3"]
    I["VAC"] --> J["Diode +"]
    J --> K["FET Driver"]
    K --> L["PWM ADC Channel"]
    M["FET Driver"] --> N["FET Driver"]
    O["VOUT-"] --> P["Diode"]
    P --> Q["Diode +"]
    R["VAC"] --> S["Diode +"]
    T["VOUT+"] --> U["Diode +"]

FIGURE 2-5: PHASE-SHIFTED FULL-BRIDGE CONVERTER

graph TD
    A["Gate 1"] --> B["S1"]
    C["Gate 2"] --> D["S1"]
    E["Gate 3"] --> F["S3"]
    G["Gate 4"] --> H["S3"]
    I["Gate 5"] --> J["S3"]
    K["Gate 6"] --> L["S3"]
    M["VOUT+"] --> N["Gate 6"]
    O["VOUT-"] --> P["Gate 6"]
    Q["Analog Ground"] --> R["FET Driver"]
    S["FET Driver"] --> T["dsPIC33EPXXGS50X"]
    U["PWM"] --> V["PWM PGA/ADC Channel"]
    W["PWM"] --> X["PWM ADC Channel"]
    Y["k1"] --> Z["PWM"]
    AA["k2"] --> AB["PWM"]
    AC["Gate 1"] --> AD["FET Driver"]
    AE["Gate 2"] --> AF["FET Driver"]
    AG["Gate 3"] --> AH["FET Driver"]
    AI["Gate 4"] --> AJ["FET Driver"]

FIGURE 2-6: OFF-LINE UPS

graph TD
    subgraph Push-Pull Converter
        VBAT --> A["Transformer"]
        GND --> B["Switch"]
        A --> C["Resistor"]
        B --> D["Resistor"]
        C --> E["Diode"]
        D --> E
        E --> F["VDC"]
        F --> G["Full-Bridge Inverter"]
        G --> H["Resistor"]
        H --> I["Diode"]
        I --> J["Resistor"]
        J --> K["VOUT+"]
        G --> L["ADC"]
        M["PWM"] --> N["dsPIC33EPXXGS50X"]
        O["PWM"] --> N
        N --> P["ADC"]
        Q["PWM"] --> R["Adic"]
        S["PWM"] --> T["Adic"]
        U["PWM"] --> V["PWM"]
    end
    style Push-Pull Converter fill:#f9f,stroke:#333
    style Full-Bridge Inverter fill:#ccf,stroke:#333
    style Push-Pull Converter fill:#cfc,stroke:#333
    style Full-Bridge Inverter fill:#fcc,stroke:#333
    style Push-Pull Converter fill:#ffc,stroke:#333
    style Full-Bridge Inverter fill:#cfc,stroke:#333
    style Push-Pull Converter fill:#fcc,stroke:#333
    style Full-Bridge Inverter fill:#cfc,stroke:#333
    style Push-Pull Converter fill:#fcc,stroke:#333
    style Full-Bridge Inverter fill:#cfc,stroke:#333
    style Push-Pull Converter fill:#fcc,stroke:#333
    style Full-Bridge Inverter fill:#cfc,stroke:#333
    style Push-Pull Converter stroke:#000,stroke-width:2px
    style Full-Bridge Inverter stroke:#000,stroke-width:2px
    style Push-Pull Converter stroke:#000,stroke-width:2px
    style Full-Bridge Inverter stroke:#000,stroke-width:2px
    style Push-Pull Converter stroke:#000,stroke-width:2px
    style Full-Bridge Inverter stroke:#000,stroke-width:2px
    style Push-Pull Converter stroke:#000,stroke-width:2px
    style Full-Bridge In converter stroke:#000,stroke-width:2px

3.0 CPU

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "CPU" (DS70359) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family CPU has a 16-bit (data) modified Harvard architecture with an enhanced instruction set, including significant support for Digital Signal Processing (DSP). The CPU has a 24-bit instruction word with a variable length opcode field. The Program Counter (PC) is 23 bits wide and addresses up to 4M x 24 bits of user program memory space.

An instruction prefetch mechanism helps maintain throughput and provides predictable execution. Most instructions execute in a single-cycle effective execution rate, with the exception of instructions that change the program flow, the double-word move (MOV.D) instruction, PSV accesses and the table instructions. Overhead-free program loop constructs are supported using the DO and REPEAT instructions, both of which are interruptible at any point.

3.1 Registers

The dsPIC33EPXXGS50X devices have sixteen, 16-bit Working registers in the programmer's model. Each of the Working registers can act as a data, address or address offset register. The 16th Working register (W15) operates as a Software Stack Pointer for interrupts and calls.

In addition, the dsPIC33EPXXGS50X devices include two Alternate Working register sets which consist of W0 through W14. The Alternate registers can be made persistent to help reduce the saving and restoring of register content during Interrupt Service Routines (ISRs). The Alternate Working registers can be assigned to a specific Interrupt Priority Level (IPL1 through IPL6) by configuring the CTXTx<2:0> bits in the FALTREG Configuration register. The Alternate Working registers can also be accessed manually by using the CTXTSWP instruction. The CCTXI<2:0> and MCTXI<2:0> bits in the CTXTSTAT register can be used to identify the current and most recent, manually selected Working register sets.

3.2 Instruction Set

The instruction set for dsPIC33EPXXGS50X devices has two classes of instructions: the MCU class of instructions and the DSP class of instructions. These two instruction classes are seamlessly integrated into the architecture and execute from a single execution unit. The instruction set includes many addressing modes and was designed for optimum C compiler efficiency.

3.3 Data Space Addressing

The base Data Space can be addressed as up to 4K words or 8 Kbytes, and is split into two blocks, referred to as X and Y data memory. Each memory block has its own independent Address Generation Unit (AGU). The MCU class of instructions operates solely through the X memory AGU, which accesses the entire memory map as one linear Data Space. Certain DSP instructions operate through the X and Y AGUs to support dual operand reads, which splits the data address space into two parts. The X and Y Data Space boundary is device-specific.

The upper 32 Kbytes of the Data Space memory map can optionally be mapped into Program Space (PS) at any 16K program word boundary. The program-to-Data Space mapping feature, known as Program Space Visibility (PSV), lets any instruction access Program Space as if it were Data Space. Refer to "Data Memory" (DS70595) in the "dsPIC33/PIC24 Family Reference Manual" for more details on PSV and table accesses.

On dsPIC33EPXXGS50X devices, overhead-free circular buffers (Modulo Addressing) are supported in both X and Y address spaces. The Modulo Addressing removes the software boundary checking overhead for DSP algorithms. The X AGU Circular Addressing can be used with any of the MCU class of instructions. The X AGU also supports Bit-Reversed Addressing to greatly simplify input or output data re-ordering for radix-2 FFT algorithms.

3.4 Addressing Modes

The CPU supports these addressing modes:

• Inherent (no operand)
• Relative
• Literal
• Memory Direct
• Register Direct
• Register Indirect

Each instruction is associated with a predefined addressing mode group, depending upon its functional requirements. As many as six addressing modes are supported for each instruction.

FIGURE 3-1: dsPIC33EPXXGS50X FAMILY CPU BLOCK DIAGRAM

graph TD
    A["X Address Bus"] --> B["Interrupt Controller"]
    A --> C["PSV and Table Data Access Control Block"]
    A --> D["PCU PCH PCL Program Counter"]
    A --> E["Y Data RAM"]
    A --> F["Data Latch Data Latch"]
    A --> G["X Data RAM"]
    A --> H["Address Latch"]
    A --> I["X RAGU X WAGU"]
    A --> J["Y AGU"]
    A --> K["EA MUX"]
    A --> L["16-Bit Working Register Arrays"]
    A --> M["DSP Engine"]
    A --> N["Divide Support"]
    A --> O["16-Bit ALU"]
    A --> P["Ports"]
    A --> Q["Peripheral Modules"]
    B --> R["24"]
    C --> S["24"]
    D --> T["8"]
    E --> U["16"]
    F --> V["16"]
    G --> W["16"]
    H --> X["16"]
    I --> Y["16"]
    J --> Z["16"]
    K --> AA["16"]
    L --> AB["16"]
    M --> AC["16"]
    N --> AD["16"]
    O --> AE["16"]
    P --> AF["16"]
    Q --> AG["16"]
    R --> AH["Address Latch"]
    S --> AI["Program Memory"]
    T --> AJ["Data Latch"]
    U --> AK["Stack Control Logic"]
    V --> AL["Loop Control Logic"]
    W --> AM["Y Data Bus"]
    X --> AN["X Data Bus"]
    Y --> AO["Y Data Bus"]
    Z --> AP["Y Data Bus"]
    AA --> AQ["Y Data Bus"]
    AB --> AR["Y Data Bus"]
    AC --> AS["Y Data Bus"]
    AD --> AT["Y Data Bus"]
    AE --> AU["Y Data Bus"]
    AF --> AV["Y Data Bus"]
    AG --> AW["Y Data Bus"]
    AH --> AX["Y Data Bus"]
    AI --> AY["Y Data Bus"]
    AJ --> AZ["Y Data Bus"]
    AK --> BA["Y Data Bus"]
    AL --> BB["Y Data Bus"]
    AM --> BC["Y Data Bus"]
    AN --> BD["Y Data Bus"]
    AO --> BE["Y Data Bus"]
    AP --> BF["Y Data Bus"]
    AQ --> BG["Y Data Bus"]
    AR --> BH["Y Data Bus"]
    AS --> BI["Y Data Bus"]
    AT --> BJ["Y Data Bus"]
    AU --> BK["Y Data Bus"]
    AV --> BL["Y Data Bus"]
    AW --> BM["Y Data Bus"]
    AX --> BN["Y Data Bus"]
    AY --> BO["Y Data Bus"]
    AZ --> BP["Y Data Bus"]
    BA --> BQ["Y Data Bus"]
    BB --> BR["Y Data Bus"]
    AC --> BS["Y Data Bus"]
    AD --> BT["Y Data Bus"]
    AE --> BU["Y Data Bus"]
    AF --> BV["Y Data Bus"]
    AG --> BW["Y Data Bus"]
    AH --> BX["Y Data Bus"]
    AI --> BY["Y Data Bus"]
    AJ --> BZ["Y Data Bus"]
    AK --> CA["Y Data Bus"]
    AL --> CB["Y Data Bus"]
    AM --> CC["Y Data Bus"]
    AN --> CD["Y Data Bus"]
    AO --> DD["Y Data Bus"]
    AP --> DP["Y Data Bus"]
    AQ --> DP
    AS --> DP
    AT --> DP
    AU --> DP
    AV --> DP
    AX --> DP

3.5 Programmer's Model

The programmer's model for the dsPIC33EPXXGS50X family is shown in Figure 3-2. All registers in the programmer's model are memory-mapped and can be manipulated directly by instructions. Table 3-1 lists a description of each register.

In addition to the registers contained in the programmer's model, the dsPIC33EPXXGS50X devices contain control registers for Modulo Addressing, Bit-Reversed Addressing and interrupts. These registers are described in subsequent sections of this document.

All registers associated with the programmer's model are memory-mapped, as shown in Table 3-1.

TABLE 3-1: PROGRAMMER'S MODEL REGISTER DESCRIPTIONS

Register(s) Name Description
W0 through W15(1)	Working Register Array
W0 through W14(1)	Alternate 1 Working Register Array
W0 through W14(1)	Alternate 2 Working Register Array
ACCA, ACCB 40-Bit DSP Accumulators
PC 23-Bit Program Counter
SR ALU and DSP Engine STATUS Register
SPLIM Stack Pointer Limit Value Register
TBLPAG Table Memory Page Address	Register
DSRPAG Extended Data Space (EDS)	Read Page Register
RCOUNT	REPEAT Loop Counter Register
DCOUNT	DO Loop Counter Register
DOSTARTH(2), DOSTARTL(2)	DO Loop Start Address Register (High and Low)
DOENDH, DOENDL	DO Loop End Address Register (High and Low)
CORCON	Contains DSP Engine, DO Loop Control and Trap Status bits

Note 1: Memory-mapped W0 through W14 represent the value of the register in the currently active CPU context.
2: The DOSTARTH and DOSTARTL registers are read-only.

FIGURE 3-2: PROGRAMMER'S MODEL

3.6 CPU Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

3.6.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

3.7 CPU Control Registers

REGISTER 3-1: SR: CPU STATUS REGISTER

R/W-0 R/W-0 R/W-0 R/W-0 R/C-0 R/C-0 R-0 R/W-0
OA OB SA	(3)	SB(3)	OAB SAB DA DC
bit 15 bit 8

R/W-0^(2)	R/W-0^(2)	R/W-0^(2)	R-0	R/W-0	R/W-0 R/W-0		R/W-0
IPL2^(1)	IPL1^(1)	IPL0^(1)	RA	N	OV	Z	C
bit 7 bit 0

Legend:	C = Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’= Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 OA: Accumulator A Overflow Status bit

1 = Accumulator A has overflowed
0 = Accumulator A has not overflowed

bit 14 OB: Accumulator B Overflow Status bit

1 = Accumulator B has overflowed
0 = Accumulator B has not overflowed

bit 13 SA: Accumulator A Saturation 'Sticky' Status bit ^(3)

1 = Accumulator A is saturated or has been saturated at some time
0 = Accumulator A is not saturated

bit 12 SB: Accumulator B Saturation 'Sticky' Status bit ^(3)

SB: Accumulator B Saturation 'Sticky' Status bit(3)

1 = Accumulator B is saturated or has been saturated at some time
0 = Accumulator B is not saturated

bit 11 OAB: OA || OB Combined Accumulator Overflow Status bit

1 = Accumulators A or B have overflowed
0 = Neither Accumulators A or B have overflowed

bit 10 SAB: SA || SB Combined Accumulator 'Sticky' Status bit

1 = Accumulators A or B are saturated or have been saturated at some time
0 = Neither Accumulator A or B are saturated

bit 9 DA: DO Loop Active bit

1 = DO loop in progress
0 = DO loop not in progress

bit 8 DC: MCU ALU Half Carry/Borrow bit

1 = A carry-out from the 4th low-order bit (for byte-sized data) or 8th low-order bit (for word-sized data) of the result occurred
0 = No carry-out from the 4th low-order bit (for byte-sized data) or 8th low-order bit (for word-sized data) of the result occurred

Note 1: The IPL<2:0> bits are concatenated with the IPL<3> bit (CORCON<3>) to form the CPU Interrupt Priority Level. The value in parentheses indicates the IPL, if IPL<3>=1. User interrupts are disabled when IPL<3>=1.

2: The IPL<2:0> Status bits are read-only when the NSTDIS bit (INTCON1<15>) = 1.
3: A data write to the SR register can modify the SA and SB bits by either a data write to SA and SB or by clearing the SAB bit. To avoid a possible SA or SB bit write race condition, the SA and SB bits should not be modified using bit operations.

REGISTER 3-1: SR: CPU STATUS REGISTER (CONTINUED)

bit 7-5 IPL<2:0>: CPU Interrupt Priority Level Status bits ^(1,2)

111 = CPU Interrupt Priority Level is 7 (15); user interrupts are disabled

110 = CPU Interrupt Priority Level is 6 (14)

101 = CPU Interrupt Priority Level is 5 (13)

100 = CPU Interrupt Priority Level is 4 (12)

011 = CPU Interrupt Priority Level is 3 (11)

010 = CPU Interrupt Priority Level is 2 (10)

001 = CPU Interrupt Priority Level is 1 (9)

000 = CPU Interrupt Priority Level is 0 (8)

bit 4 RA: REPEAT Loop Active bit

1 = REPEAT loop is in progress

0 = REPEAT loop is not in progress

bit 3 N: MCU ALU Negative bit

1 = Result was negative

0 = Result was non-negative (zero or positive)

bit 2 OV: MCU ALU Overflow bit

This bit is used for signed arithmetic (2's complement). It indicates an overflow of the magnitude that causes the sign bit to change state.

1 = Overflow occurred for signed arithmetic (in this arithmetic operation)

0 = No overflow occurred

bit 1 Z: MCU ALU Zero bit

1 = An operation that affects the Z bit has set it at some time in the past

0 = The most recent operation that affects the Z bit has cleared it (i.e., a non-zero result)

bit 0 C: MCU ALU Carry/Borrow bit

1 = A carry-out from the Most Significant bit of the result occurred

0 = No carry-out from the Most Significant bit of the result occurred

Note 1: The IPL<2:0> bits are concatenated with the IPL<3> bit (CORCON<3>) to form the CPU Interrupt Priority Level. The value in parentheses indicates the IPL, if IPL<3>=1. User interrupts are disabled when IPL<3>=1.

2: The IPL<2:0> Status bits are read-only when the NSTDIS bit (INTCON1<15>) = 1.

3: A data write to the SR register can modify the SA and SB bits by either a data write to SA and SB or by clearing the SAB bit. To avoid a possible SA or SB bit write race condition, the SA and SB bits should not be modified using bit operations.

REGISTER 3-2: CORCON: CORE CONTROL REGISTER

R/W-0 U-0 R/W-0 R/W-0 R/W-0 R-0 R-0 R-0
VAR	— US1	US0 EDT		(1)	DL2 DL1	DL0
bit 15 bit 8

R/W-0	R/W-0	R/W-1	R/W-0	R/C-0	R-0	R/W-0	R/W-0
SATA	SATB	SATDW	ACCSAT	IPL3^(2)	SFA	RND IF
bit 7 bit 0

Legend:	C = Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 VAR: Variable Exception Processing Latency Control bit

1 = Variable exception processing is enabled

0 = Fixed exception processing is enabled

bit 14 Unimplemented: Read as '0'

bit 13-12 US<1:0>: DSP Multiply Unsigned/Signed Control bits

11 = Reserved

10 = DSP engine multiplies are mixed-sign

01 = DSP engine multiplies are unsigned

00 = DSP engine multiplies are signed

bit 11 EDT: Early DO Loop Termination Control bit ^(1)

1 = Terminates executing DO loop at the end of current loop iteration

0 = No effect

bit 10-8 DL<2:0>: DO Loop Nesting Level Status bits

111 = 7 DO loops are active

•

•

.

001 = 1 DO loop is active

000 = 0 DO loops are active

bit 7 SATA: ACCA Saturation Enable bit

1 = Accumulator A saturation is enabled

0 = Accumulator A saturation is disabled

bit 6 SATB: ACCB Saturation Enable bit

1 = Accumulator B saturation is enabled

0 = Accumulator B saturation is disabled

bit 5 SATDW: Data Space Write from DSP Engine Saturation Enable bit

1 = Data Space write saturation is enabled

0 = Data Space write saturation is disabled

bit 4 ACCSAT: Accumulator Saturation Mode Select bit

1 = 9.31 saturation (super saturation)

0 = 1.31 saturation (normal saturation)

bit 3 IPL3: CPU Interrupt Priority Level Status bit 3 ^(2)

1 = CPU Interrupt Priority Level is greater than 7

0 = CPU Interrupt Priority Level is 7 or less

Note 1: This bit is always read as '0'.

2: The IPL3 bit is concatenated with the IPL<2:0> bits (SR<7:5>) to form the CPU Interrupt Priority Level.

REGISTER 3-2: CORCON: CORE CONTROL REGISTER (CONTINUED)

bit 2 SFA: Stack Frame Active Status bit

1 = Stack frame is active; W14 and W15 address 0x0000 to 0xFFFF, regardless of DSRPAG
0 = Stack frame is not active; W14 and W15 address the base Data Space

bit 1 RND: Rounding Mode Select bit

1 = Biased (conventional) rounding is enabled
0 = Unbiased (convergent) rounding is enabled

bit 0 IF: Integer or Fractional Multiplier Mode Select bit

1 = Integer mode is enabled for DSP multiply
0 = Fractional mode is enabled for DSP multiply

Note 1: This bit is always read as '0'.

2: The IPL3 bit is concatenated with the IPL<2:0> bits (SR<7:5>) to form the CPU Interrupt Priority Level.

REGISTER 3-3: CTXTSTAT: CPU W REGISTER CONTEXT STATUS REGISTER

U-0 U-0 U-0 U-0 R-0 R-0
—	—	—	—	—	CCTXI2	CCTXI1	CCTXI0
bit 15 bit 8

U-0 U-0 U-0 U-0 R-0 R-0
—	—	—	—	—	MCTXI2	MCTXI1	MCTXI0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-11 Unimplemented: Read as '0'

bit 10-8 CCTXI<2:0>: Current (W Register) Context Identifier bits

111 = Reserved
.
.
[Non-Text]
•
011 = Reserved
010 = Alternate Working Register Set 2 is currently in use
001 = Alternate Working Register Set 1 is currently in use
000 = Default register set is currently in use

bit 7-3 Unimplemented: Read as '0'

bit 2-0 MCTXI<2:0>: Manual (W Register) Context Identifier bits

111 = Reserved

•

•

[Non-Text]

•

011 = Reserved

010 = Alternate Working Register Set 2 was most recently manually selected
001 = Alternate Working Register Set 1 was most recently manually selected
000 = Default register set was most recently manually selected

3.8 Arithmetic Logic Unit (ALU)

The dsPIC33EPXXGS50X family ALU is 16 bits wide and is capable of addition, subtraction, bit shifts and logic operations. Unless otherwise mentioned, arithmetic operations are two's complement in nature. Depending on the operation, the ALU can affect the values of the Carry (C), Zero (Z), Negative (N), Overflow (OV) and Digit Carry (DC) Status bits in the SR register. The C and DC Status bits operate as Borrowand Digit Borrow bits, respectively, for subtraction operations.

The ALU can perform 8-bit or 16-bit operations, depending on the mode of the instruction that is used. Data for the ALU operation can come from the W register array or data memory, depending on the addressing mode of the instruction. Likewise, output data from the ALU can be written to the W register array or a data memory location.

Refer to the "16-bit MCU and DSC Programmer's Reference Manual" (DS70157) for information on the SR bits affected by each instruction.

The core CPU incorporates hardware support for both multiplication and division. This includes a dedicated hardware multiplier and support hardware for 16-bit divisor division.

3.8.1 MULTIPLIER

Using the high-speed 17-bit x 17-bit multiplier, the ALU supports unsigned, signed, or mixed-sign operation in several MCU multiplication modes:

• 16-bit x 16-bit signed
• 16-bit x 16-bit unsigned
  • 16-bit signed x 5-bit (literal) unsigned
  • 16-bit signed x 16-bit unsigned
• 16-bit unsigned x 5-bit (literal) unsigned
  • 16-bit unsigned x 16-bit signed
• 8-bit unsigned x 8-bit unsigned

3.8.2 DIVIDER

The divide block supports 32-bit/16-bit and 16-bit/16-bit signed and unsigned integer divide operations with the following data sizes:

• 32-bit signed/16-bit signed divide
• 32-bit unsigned/16-bit unsigned divide
• 16-bit signed/16-bit signed divide
• 16-bit unsigned/16-bit unsigned divide

The quotient for all divide instructions ends up in W0 and the remainder in W1. 16-bit signed and unsigned DIV instructions can specify any W register for both the 16-bit divisor (Wn) and any W register (aligned) pair (W(m + 1):Wm) for the 32-bit dividend. The divide algorithm takes one cycle per bit of divisor, so both 32-bit/16-bit and 16-bit/16-bit instructions take the same number of cycles to execute.

3.9 DSP Engine

The DSP engine consists of a high-speed 17-bit x 17-bit multiplier, a 40-bit barrel shifter and a 40-bit adder/subtracter (with two target accumulators, round and saturation logic).

The DSP engine can also perform inherent accumulator-to-accumulator operations that require no additional data. These instructions are, ADD, SUB and NEG.

The DSP engine has options selected through bits in the CPU Core Control register (CORCON), as listed below:

• Fractional or integer DSP multiply (IF)
• Signed, unsigned or mixed-sign DSP multiply (USx)
- Conventional or convergent rounding (RND)
• Automatic saturation on/off for ACCA (SATA)
• Automatic saturation on/off for ACCB (SATB)
• Automatic saturation on/off for writes to data memory (SATDW)
- Accumulator Saturation mode selection (ACCSAT)

TABLE 3-2: DSP INSTRUCTIONS SUMMARY

Instruction	Algebraic Operation	ACC Write-Back
CLR A = 0 Yes
ED A = (x - y)	^2	No
EDAC A = A + (x - y)	^2	No
MAC	A = A + (x · y)	Yes
MAC A = A + x	^2	No
MOVSAC No change in A Yes
MPY	A = x · y	No
MPY A = x	^2	No
MPY . N	A = -x · y	No
MSC	A = A - x · y	Yes

4.0 MEMORY ORGANIZATION

Note: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “dsPIC33E/PIC24E Program Memory” (DS70000613) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

The dsPIC33EPXXGS50X family architecture features separate program and data memory spaces, and buses. This architecture also allows the direct access of program memory from the Data Space (DS) during code execution.

4.1 Program Address Space

The program address memory space of the dsPIC33EPXXGS50X family devices is 4M instructions. The space is addressable by a 24-bit value derived either from the 23-bit PC during program execution, or from table operation or Data Space remapping, as described in Section 4.9 "Interfacing Program and Data Memory Spaces".

User application access to the program memory space is restricted to the lower half of the address range (0x000000 to 0x7FFFFFF). The exception is the use of TBLRD operations, which use TBLPAG<7> to permit access to calibration data and Device ID sections of the configuration memory space.

The program memory maps for the dsPIC33EP16/32GS50X and dsPIC33EP64GS50X devices not operating in Dual Partition mode, are shown in Figure 4-1 through Figure 4-3.

The dsPIC33EP64GS50X devices can operate in a Dual Partition Flash Program Memory mode, where the user program Flash memory is arranged as two separate address spaces, one for each of the Flash partitions. The Active Partition always starts at address, 0x000000, and contains half of the available Flash memory (32K). The Inactive Partition always starts at address, 0x400000, and implements the remaining half of Flash memory. As shown in Figure 4-4, the Active and Inactive Partitions are identical and both contain unique copies of the Reset vector, Interrupt Vector Tables (IVT and AIVT if enabled) and the Flash Configuration Words.

4.2 Unique Device Identifier (UDID)

All (16-bit devices) family devices are individually encoded during final manufacturing with a Unique Device Identifier or UDID. This feature allows for manufacturing traceability of Microchip Technology devices in applications where this is a requirement. It may also be used by the application manufacturer for any number of things that may require unique identification, such as:

• Tracking the device
• Unique serial number
• Unique security key

The UDID comprises five 24-bit program words. When taken together, these fields form a unique 120-bit identifier.

The UDID is stored in five read-only locations, located between 800F00h and 800F08h in the device configuration space. Table 4-1 lists the addresses of the identifier words and shows their contents.

TABLE 4-1: UDID ADDRESSES

Name	Address Bits	23:16 Bits	15:8 Bits 7:0
UDID1	800F00	UDID Word 1
UDID2	800F02	UDID Word 2
UDID3	800F04	UDID Word 3
UDID4	800F06	UDID Word 4
UDID5	800F08	UDID Word 5

FIGURE 4-1: PROGRAM MEMORY MAP FOR dsPIC33EP16GS50X DEVICES

GOTQInstruction 0x000000 Reset Address 0x000002 Interrupt Vector Table 0x000004 0x0001FE User Program Flash Memory (5312 instructions) 0x000200 Device Configuration 0x002B7E 0x002B80 Unimplemented (Read ' 0's) Reserved Calibration Data Reserved UDID Reserved User OTP Memory Reserved Write Latches Reserved DEVID Reserved 0x7FFFFE 0x800000 0x800E46 0x800E48 0x800E78 0x800E7A 0x800EFE 0x800F00 0x800F08 0x800F0A 0x800F7E 0x800F80 0x800FFC 0x801000 0xF9FFFE 0xFA0000 0xFA0002 0xFA0004 0xFEFFFE 0xFF0000 0xFF0002 0xFF0004 0xFFFFFE

Note: Memory areas are not shown to scale.

FIGURE 4-2: PROGRAM MEMORY MAP FOR dsPIC33EP32GS50X DEVICES

GOTO Instruction Reset Address Interrupt Vector Table User Program Flash Memory (10,944 instructions) Device Configuration Unimplemented (Read '0's) Reserved Calibration Data Reserved UDID Reserved User OTP Memory Reserved Write Latches Reserved DEVID Reserved 0x000000 0x000002 0x000004 0x0001FE 0x000200 0x00577E 0x005780 0x0057FE 0x005800 0x7FFFFE 0x800000 0x800E46 0x800E48 0x800E78 0x800E7A 0x800EFE 0x800F00 0x800F08 0x800F0A 0x800F7E 0x800F80 0x800FFC 0x801000 0xF9FFFE 0xFA0000 0xFA0002 0xFA0004 0xFEFFF 0xFF0000 0xFF0002 0xFF0004 0xFFFFFE

Note: Memory areas are not shown to scale.

FIGURE 4-3: PROGRAM MEMORY MAP FOR dsPIC33EP64GS50X DEVICES

GOTO Instruction Reset Address Interrupt Vector Table User Program Flash Memory (22,207 instructions) Device Configuration Unimplemented (Read '0's) Reserved Calibration Data Reserved UDID Reserved User OTP Memory Reserved Write Latches Reserved DEVID Reserved 0x000000 0x000002 0x000004 0x0001FE 0x000200 0x00AF7E 0x00AF80 0x00AFFE 0x00B000 0x7FFFFE 0x800000 0x800E46 0x800E48 0x800E78 0x800E7A 0x800EFE 0x800F00 0x800F08 0x800F0A 0x800F7E 0x800F80 0x800FFC 0x801000 0xF9FFFE 0xFA0000 0xFA0002 0xFA0004 0xFEFFFE 0xFF0000 0xFF0002 0xFF0004 0xFFFFFE

Note: Memory areas are not shown to scale.

FIGURE 4-4: PROGRAM MEMORY MAP FOR dsPIC33EP64GS50X DEVICES (DUAL PARTITION)

GOTO Instruction Reset Address Interrupt Vector Table Active Program Flash Memory (10,944 instructions) Device Configuration Unimplemented (Read '0's) GOTO Instruction Reset Address Interrupt Vector Table Inactive Program Flash Memory (10,944 instructions) Device Configuration Unimplemented (Read '0's) Reserved Calibration Data Reserved UDID Reserved User OTP Memory Reserved Write Latches Reserved DEVID Reserved 0x000000 0x000002 0x000004 0x0001FE 0x000200 0x00577E 0x005780 0x0057FE 0x005800 0x3FFFFE 0x400000 0x400002 0x400004 0x4001FE 0x400200 0x40577E 0x405780 0x4057FE 0x405800 0x7FFFFE 0x800000 0x800E46 0x800E48 0x800E78 0x800E7A 0x800EFE 0x800F00 0x800F08 0x800F0A 0x800F7E 0x800F80 0x800FFC 0x801000 0xF9FFFFE 0xFA0000 0xFA0002 0xFA0004 0xFEFFFFE 0xFF0000 0xFF0002 0xFF0004 0xFFFFFE

Note: Memory areas are not shown to scale.

4.2.1 PROGRAM MEMORY ORGANIZATION

The program memory space is organized in word-addressable blocks. Although it is treated as 24 bits wide, it is more appropriate to think of each address of the program memory as a lower and upper word, with the upper byte of the upper word being unimplemented. The lower word always has an even address, while the upper word has an odd address (Figure 4-5).

Program memory addresses are always word-aligned on the lower word, and addresses are incremented, or decremented, by two, during code execution. This arrangement provides compatibility with data memory space addressing and makes data in the program memory space accessible.

4.2.2 INTERRUPT AND TRAP VECTORS

All dsPIC33EPXXGS50X family devices reserve the addresses between 0x000000 and 0x000200 for hard-coded program execution vectors. A hardware Reset vector is provided to redirect code execution from the default value of the PC on device Reset to the actual start of code. A GOTO instruction is programmed by the user application at address, 0x000000, of Flash memory, with the actual address for the start of code at address, 0x000002, of Flash memory.

A more detailed discussion of the Interrupt Vector Tables (IVTs) is provided in Section 7.1 "Interrupt Vector Table".

FIGURE 4-5: PROGRAM MEMORY ORGANIZATION

msw Address (lsw Address) most significant word least significant word PC Address 0x000001 0x000003 0x000005 0x000007 23 0816 Program Memory 'Phantom' Byte (read as '0') Instruction Width 0x000000 0x000002 0x000004 0x000006

4.3 Data Address Space

The dsPIC33EPXXGS50X family CPU has a separate 16-bit wide data memory space. The Data Space is accessed using separate Address Generation Units (AGUs) for read and write operations. The data memory maps are shown in Figure 4-6 through Figure 4-8.

All Effective Addresses (EAs) in the data memory space are 16 bits wide and point to bytes within the Data Space. This arrangement gives a base Data Space address range of 64 Kbytes or 32K words.

The lower half of the data memory space (i.e., when EA<15> = 0) is used for implemented memory addresses, while the upper half (EA<15> = 1) is reserved for the Program Space Visibility (PSV).

dsPIC33EPXXGS50X family devices implement up to 12 Kbytes of data memory. If an EA points to a location outside of this area, an all-zero word or byte is returned.

4.3.1 DATA SPACE WIDTH

The data memory space is organized in byte-addressable, 16-bit wide blocks. Data is aligned in data memory and registers as 16-bit words, but all Data Space EAs resolve to bytes. The Least Significant Bytes (LSBs) of each word have even addresses, while the Most Significant Bytes (MSBs) have odd addresses.

4.3.2 DATA MEMORY ORGANIZATION AND ALIGNMENT

To maintain backward compatibility with PIC® MCU devices and improve Data Space memory usage efficiency, the dsPIC33EPXXGS50X family instruction set supports both word and byte operations. As a consequence of byte accessibility, all Effective Address calculations are internally scaled to step through word-aligned memory. For example, the core recognizes that Post-Modified Register Indirect Addressing mode [Ws++] results in a value of Ws + 1 for byte operations and Ws + 2 for word operations.

A data byte read, reads the complete word that contains the byte, using the LSb of any EA to determine which byte to select. The selected byte is placed onto the LSB of the data path. That is, data memory and registers are organized as two parallel, byte-wide entities with shared (word) address decode, but separate write lines. Data byte writes only write to the corresponding side of the array or register that matches the byte address.

All word accesses must be aligned to an even address. Misaligned word data fetches are not supported, so care must be taken when mixing byte and word operations, or translating from 8-bit MCU code. If a misaligned read or write is attempted, an address error trap is generated. If the error occurred on a read, the instruction underway is completed. If the error occurred on a write, the instruction is executed but the write does not occur. In either case, a trap is then executed, allowing the system and/or user application to examine the machine state prior to execution of the address Fault.

All byte loads into any W register are loaded into the LSB; the MSB is not modified.

A Sign-Extend (SE) instruction is provided to allow user applications to translate 8-bit signed data to 16-bit signed values. Alternatively, for 16-bit unsigned data, user applications can clear the MSB of any W register by executing a Zero-Extend (ZE) instruction on the appropriate address.

4.3.3 SFR SPACE

The first 4 Kbytes of the Near Data Space, from 0x0000 to 0x0FFF, is primarily occupied by Special Function Registers (SFRs). These are used by the dsPIC33EPXXGS50X family core and peripheral modules for controlling the operation of the device.

SFRs are distributed among the modules that they control, and are generally grouped together by module. Much of the SFR space contains unused addresses; these are read as '0'.

Note: The actual set of peripheral features and interrupts varies by the device. Refer to the corresponding device tables and pinout diagrams for device-specific information.

4.3.4 NEAR DATA SPACE

The 8-Kbyte area, between 0x0000 and 0x1FFF, is referred to as the Near Data Space. Locations in this space are directly addressable through a 13-bit absolute address field within all memory direct instructions. Additionally, the whole Data Space is addressable using MOV instructions, which support Memory Direct Addressing mode with a 16-bit address field, or by using Indirect Addressing mode using a Working register as an Address Pointer.

FIGURE 4-6: DATA MEMORY MAP FOR dsPIC33EP16GS50X DEVICES

graph TD
    A["4-Kbyte SFR Space"] --> B["0x0001"]
    A --> C["0x0FFF"]
    A --> D["0x1001"]
    E["2-Kbyte SRAM Space"] --> F["0x13FF"]
    E --> G["0x1401"]
    E --> H["0x17FF"]
    E --> I["0x2001"]
    J["LSB Address"] --> K["SFR Space"]
    K --> L["X Data RAM (X)"]
    L --> M["Y Data RAM (Y)"]
    M --> N["X Data Unimplemented (X)"]
    N --> O["Optionally Mapped into Program Memory"]
    P["LSB Address"] --> Q["0x0000"]
    P --> R["0x0FFE"]
    P --> S["0x1000"]
    T["8-Kbyte Near Data Space"] --> U["0x13FE"]
    T --> V["0x1400"]
    W["0x18000x1801"] --> X["0x1FFE"]
    W --> Y["0x2000"]
    Z["0x80000x8001"] --> AA["Optionally Mapped into Program Memory"]
    AB["0xFFFF"] --> AC["LSBMSB"]

Note: Memory areas are not shown to scale.

FIGURE 4-7: DATA MEMORY MAP FOR dsPIC33EP32GS50X DEVICES

graph TD
    A["4-Kbyte SFR Space"] --> B["0x0001"]
    A --> C["0x0FFF"]
    A --> D["0x1001"]
    E["4-Kbyte SRAM Space"] --> F["0x17FF"]
    E --> G["0x1801"]
    H["0x1FFF"] --> I["0x1FFE"]
    J["SFR Space"] --> K["X Data RAM (X)"]
    L["Y Data RAM (Y)"] --> M["X Data Unimplemented (X)"]
    N["LSB Address"] --> O["0x0000"]
    N --> P["0x0FFE"]
    N --> Q["0x1000"]
    R["8-Kbyte Near Data Space"] --> S["0x17FE"]
    R --> T["0x1800"]
    U["Optionally Mapped into Program Memory"] --> V["0x20000x2001"]
    W["LSBMSB"] --> X["0xFFFF"]
    style A fill:#f9f,stroke:#333
    style E fill:#f9f,stroke:#333
    style H fill:#f9f,stroke:#333
    style J fill:#f9f,stroke:#333
    style L fill:#f9f,stroke:#333
    style N fill:#f9f,stroke:#333
    style O fill:#f9f,stroke:#333
    style P fill:#f9f,stroke:#333
    style Q fill:#f9f,stroke:#333
    style R fill:#f9f,stroke:#333
    style S fill:#f9f,stroke:#333
    style T fill:#f9f,stroke:#333
    style U fill:#f9f,stroke:#333
    style V fill:#f9f,stroke:#333
    style W fill:#f9f,stroke:#333

Note: Memory areas are not shown to scale.

FIGURE 4-8: DATA MEMORY MAP FOR dsPIC33EP64GS50X DEVICES

graph TD
    A["4-Kbyte SFR Space"] --> B["0x0001"]
    A --> C["0x0FFF"]
    A --> D["0x1001"]
    E["8-Kbyte SRAM Space"] --> F["0x1FFF"]
    E --> G["0x2001"]
    H["5-SFR Space"] --> I["X Data RAM (X)"]
    J["8-Kbyte Near Data Space"] --> K["0x30000x3001"]
    L["8-Kbyte Unimplemented (X)"] --> M["0x80000x8001"]
    N["Optionally Mapped into Program Memory"] --> O["0xFFFE"]
    P["LSB Address"] --> Q["LSBMSB"]
    style A fill:#f9f,stroke:#333
    style E fill:#f9f,stroke:#333
    style H fill:#ccf,stroke:#333
    style P fill:#ccf,stroke:#333

Note: Memory areas are not shown to scale.

4.3.5 X AND Y DATA SPACES

The dsPIC33EPXXGS50X core has two Data Spaces, X and Y. These Data Spaces can be considered either separate (for some DSP instructions) or as one unified linear address range (for MCU instructions). The Data Spaces are accessed using two Address Generation Units (AGUs) and separate data paths. This feature allows certain instructions to concurrently fetch two words from RAM, thereby enabling efficient execution of DSP algorithms, such as Finite Impulse Response (FIR) filtering and Fast Fourier Transform (FFT).

The X Data Space is used by all instructions and supports all addressing modes. X Data Space has separate read and write data buses. The X read data bus is the read data path for all instructions that view Data Space as combined X and Y address space. It is also the X data prefetch path for the dual operand DSP instructions (MAC class).

The Y Data Space is used in concert with the X Data Space by the MAC class of instructions (CLR, ED, EDAC, MAC, MOVSAC, MPY, MPY.N and MSC) to provide two concurrent data read paths.

Both the X and Y Data Spaces support Modulo Addressing mode for all instructions, subject to addressing mode restrictions. Bit-Reversed Addressing mode is only supported for writes to X Data Space.

All data memory writes, including in DSP instructions, view Data Space as combined X and Y address space. The boundary between the X and Y Data Spaces is device-dependent and is not user-programmable.

4.4 Memory Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

4.4.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

4.5 Special Function Register Maps

TABLE 4-2: CPU CORE REGISTER MAP

SFR Name	Addr.	Bit 15 Bit 14	Bit 13 Bit	12 Bit 11 Bit	10 Bit 9 Bit	8 Bit 7 Bit	6 Bit 5 Bit	4 Bit 3 Bit	2 Bit 1 Bit	0								All Resets
W0	0000	W0 (WREG)																xxxxx
W1	0002	W1																xxxxx
W2	0004	W2																xxxxx
W3	0006	W3																xxxxx
W4	0008	W4																xxxxx
W5	000A	W5																xxxxx
W6	000C	W6																xxxxx
W7	000E	W7																xxxxx
W8	0010	W8																xxxxx
W9	0012	W9																xxxxx
W10	0014	W10																xxxxx
W11	0016	W11																xxxxx
W12	0018	W12																xxxxx
W13	001A	W13																xxxxx
W14	001C	W14																xxxxx
W15	001E	W15																xxxxx
SPLIM	0020	SPLIM																0000
ACCAL 0022		ACCAL															0000
ACCAH 0024		ACCAH															0000
ACCAU	0026	Sign Extension of ACCA<39>									ACCAU							0000
ACCBL 0026		ACCBL															0000
ACCBH 002A		ACCBH															0000
ACCBU	002C	Sign Extension of ACCB<39>									ACCBU							0000
PCL	002E	PCL<15:1>															—	0000
PCH	0030	—	—	—	—	—	—	—	—	—	—	PCH<6:0>						0000
DSRPAG	0032	—	—	—	—	—	—	—	Extended Data Space (EDS) Read Page Register (DSRPAG<9:0>)									0001
DSWPAG^(1)	0034	—	—	—	—	—	—	—	—	Extended Data Space (EDS) Write Page Register (DSWPAG8:0>) ^(1)								0001
RCOUNT	0036	RCOUNT<15:0>																0000
DCOUNT	0038	DC Loop Count Register (DCOUNT<15:0>)																0000
DOSTARTL	003A	DC Start Address Register Low (DOSTARTL<15:1>)															—	0000
DOSTARTH	003C	—	—	—	—	—	—	—	—	—	—	DC Start Address Register High (DOSTARTH<5:0>)						0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: The contents of this register should never be modified. The DSWPAG must always point to the first page.

TABLE 4-2: CPU CORE REGISTER MAP (CONTINUED)

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

DOENDL

003E

DO Loop End Address Register Low (DOENDL<15:1>)

—

0000

DOENDH 0040

—

—

—

—

—

—

—

—

—

—

DO Loop End Address Register High (DOENDH<5:0>)

0000

SR

0042

OA

OB

SA

SB

OAB

SAB

DA

DC

IPL2

IPL1

IPL0

RA

N

OV

Z

C

0000

CORCON

0044

VAR

—

US1

US0

EDT

DL2

DL1

DL0

SATA

SATB

SATDW

ACCSAT

IPL3

SFA

RND

IF

0020

MODCON

0046

XMODEN

YMODEN

—

—

BWM3

BWM2

BWM1

BWM0

YWM3

YWM2

YWM1

YWM0

XWM3

XWM2

XWM1

XWM0

0000

XMODSRT

0048

X Mode Start Address Register (XMODSRT<15:1>)

— 0000

XMODEND

004A

X Mode End Address Register (XMODEND<15:1>)

— 0001

YMODSRT

004C

Y Mode Start Address Register (YMODSRT<15:1>)

— 0000

YMODEND

004E

Y Mode End Address Register (YMODEND<15:1>)

— 0001

XBREV

0050

BREN

XBREV<14:0>

0000

DISICNT

0052

—

—

DISICNT<13:0>

0000

TBLPAG

0054

—

—

—

—

—

—

—

—

TBLPAG<7:0>

0000

CTXTSTAT

005A

—

—

—

—

—

CCTXI2

CCTXI1

CCTXI0

—

—

—

—

—

MCTXI2

MCTXI1

MCTXI0

0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: The contents of this register should never be modified. The DSWPAG must always point to the first page.

TABLE 4-3: INTERRUPT CONTROLLER REGISTER MAP

SFR Name	Addr.	Bit 15 Bit 14 Bit	3 Bit 12 Bit 11 Bit	10 Bit 9 Bit 8 Bit	7 Bit 6 Bit 5 Bit 4	Bit 3 Bit 2 Bit 1	Bit 0											All Resets
FS0	0800	NVMIF	—	ADCIF	U1TXIF	U1RXIF	SPI1IF	SP1EIF	T3IF	T2IF	OC2IF	IC2IF	—	T1IF	OC1IF	IC1IF	INT0IF	0000
FS1	0802	U2TXIF	U2RXIF	INT2IF	TSIF	T4IF	OC4IF	OC3IF	—	—	—	—	INT1IF	CNIF	AC1IF	MI2C1IF	SI2C1IF	0000
FS2	0804	—	—	—	—	—	—	—	—	—	IC4IF	IC3IF	—	—	—	SP12IF	SP12EIF	0000
FS3	0806	—	—	—	—	—	—	PSEMIF	—	—	INT4IF	—	—	—	MI2C2IF	SI2C2IF	—	0000
FS4	0808	—	—	—	—	—	—	PSESIF	—	—	—	—	—	—	U2EIF	U1EIF	—	0000
FS5	080A	PWM2IF	PWM1IF	—	—	—	—	—	—		—	—	—	—	—	—	—	0000
FS6	080C	ADCAN1IF	ADCAN0IF	—	—	—	—	AC4IF	AC3IF	AC2IF	—	—	—	—	PWM5IF	PWM4IF	PWM3IF	0000
FS7	080E	—	—	—	—	—	—	—	—	—	—	ADCAN7IF	ADCAN8IF	ADCAN5IF	ADCAN4IF	ADCAN8IF	ADCAN2IF	0000
FS8	0810	JTAGIF	ICDIF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0000
FS9	0812	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN12IF[2]	ADCAN11IF[2]	ADCAN1EIF[2]	ADCAN9IF[2]	ADCAN8IF[2]	—	—	—	—	—	—	—	0000
FS10	0814	—	I2C2B0IF	I2C1BCIF	—	—	—	—	—	—	—	—	ADCAN21IF	ADCAN20IF	ADCAN18IF	ADCAN16IF	ADCAN17IF[2]	0000
FS11	0816	—	—	—	—	—	—	—	—	—	—	—	ADFLTR1IF	ADFLTR0IF	ADCMP1IF	ADCMP0IF	—	0000
EC0	0820	NVME	—	ADCIE	U1TXIE	U1RXIE	SPI1IE	SP1BIE	T3IE	T2IE	OC2IE	IC2IE	—	T1IE	OC1IE	IC1IE	INT0IE	0000
EC1	0822	U2TXIE	U2RXIE	INT2IE	TSIE	T4IE	OC4IE	OC3IE	—	—	—	—	INT1IE	CNIE	AC1IF	MI2C1IE	SI2C1IE	0000
EC2	0824	—	—	—	—	—	—	—	—	—	IC4IE	IC3IE	—	—	—	SP2IE	SP12IE	0000
EC3	0826	—	—	—	—	—	—	PSEMIE	—	—	INT4IE	—	—	—	MI2C2IE	SI2C2IE	—	0000
EC4	0828	—	—	—	—	—	—	PSE5IE	—	—	—	—	—	—	U2BIE	U1BIE	—	0000
EC5	082A	PWM2IE	PWM1IE	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0000
EC6	082C	ADCAN1IE	ADCAN0IE	—	—	—	—	AC4IE	AC3IE	AC2IE	—	—	—	—	PWM5IE	PWM4IE	PWM3IE	0000
EC7	082E	—	—	—	—	—	—	—	—	—	—	ADCAN7IE	ADCAN8IE	ADCANSIE	ADCAM1IE	ADCAN3IE	ADCAN2IE	0000
EC8	0830	JTAGE	ICDIE	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0000
EC9	0832	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN1EIF[1]	ADCAN12EIF[2]	ADCAN11EIF[2]	ADCAN1EIF[2]	ADCAN8EIF[2]	ADCAN8EIF[2]	—	—	—	—	—	—	—	0000
EC10	0834	—	I2C2BCE	I2C1BCE	—	—	—	—	—	—	—	—	ADCAN21IE	ADCAN20IE	ADCAN18IE	ADCAN17IE[2]	0000
EC11	0836	—	—	—	—	—	—	—	—	—	—	—	ADFLTR1IE	ADFLTR0IE	ADCMP1IE	ADCMP0IE	—	0000
PC0	0840	—	T1IP2	T1IP1	T1IP0	—	OC1IP2	OC1IP1	OC1IP0	—	IC1IP2	IC1IP1	IC1IP0	—	INT0IP2	INT0IP1	INT0IP0	4444
PC1	0842	—	T2IP2	T2IP1	T2IP0	—	OC2IP2	OC2IP1	OC2IP0	—	IC2IP2	IC2IP1	IC2IP0	—	—	—	—	4440
PC2	0844	—	U1RXIP2	U1RXIP1	U1RXIP0	—	SP1IP2	SP1IP1	SP1IP0	—	SP11EP2	SP1EIP1	SP1EIP0	—	T3IP2	T3IP1	T3IP0	4444
PC3	0846	—	NVMP2	NVMP1	NVMP0	—	—	—	—	—	ADCIP2	ADCIP1	ADCIP0	—	U1TXIP2	U1TXIP1	U1TXIP0	6046
PC4	0848	—	CNIP2	CNIP1	CNIP0	—	AC1IP2	AC1IP1	AC1IP0	—	MI2C1IP2	MI2C1IP1	MI2C1IP0	—	SI2C1IP2	SI2C1IP1	SI2C1IP0	4444
PC5	084A	—	—	—	—	—	—	—	—	—	—	—	—	—	INT1IP2	INT1IP1	INT1IP0	0004
PC6	084C	—	T4IP2	T4IP1	T4IP0	—	OC4IP2	OC4IP1	OC4IP0	—	OC3IP2	OC3IP1	OC3IP0	—	—	—	—	4440
PC7	084E	—	U2TXIP2	U2TXIP1	U2TXIP0	—	U2RXIP2	U2RXIP1	U2RXIP0	—	INT2IP2	INT2IP1	INT2IP0	—	TSIP2	TSIP1	TSIP0	4444
PC8	0850	—	—	—	—	—	—	—	—	—	SP12IP2	SP12IP1	SP12IP0	—	SP12EBP2	SP12EBP1	SP12EBP0	0044
PC9	0852	—	—	—	—	—	IC4IP2	IC4IP1	IC4IP0	—	IC3IP2	IC3IP1	IC3IP0	—	—	—	—	0440

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: Only available on dsPIC33EPXXGS506 devices.
2: Only available on dsPIC33EPXXGS504/505 and dsPIC33EPXXGS508 devices

TABLE 4-3: INTERRUPT CONTROLLER REGISTER MAP (CONTINUED)

SFR Name	Addr.	Bit 15	Bit 14	Bit 13	Bit 12	Bit 11	Bit 10	Bit 9	Bit 8	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0	All Resets
PC12	0856	—	—	—	—	—	M2C2IP2	M2C2IP1	M2C2IP0	—	S2C2IP2	S2C2IP1	S2C2IP0	—	—	—	—	0410
PC13	085A	—	—	—	—	—	INT4IP2	INT4IP1	INT4IP0	—	—	—	—	—	—	—	—	0400
PC14	085C	—	—	—	—	—	—	—	—	—	PSEMIP2	PSEMIP1	PSEMIP0	—	—	—	—	0040
PC16	0860	—	—	—	—	—	U2EIP2	U2EIP1	U2EIP0	—	U1EIP2	U1EIP1	U1EIP0	—	—	—	—	0440
PC18	0864	—	—	—	—	—	—	—	—	—	PSESIP2	PSESIP1	PSESIP0	—	—	—	—	0040
PC23	086E	—	PWM2IP2	PWM2IP1	PWM2IP0	—	PWM1IP2	PWM1IP1	PWM1IP0	—	—	—	—	—	—	—	—	4400
PC24	0870	—	—	—	—	—	PWM5IP2	PWM5IP1	PWM5IP0	—	PWM4IP2	PWM4IP1	PWM4IP0	—	PWM3IP2	PWM3IP1	PWM3IP0	0444
PC25	0872	—	AC2IP2	AC2IP1	AC2IP0	—	—	—	—	—	—	—	—	—	—	—	—	4000
PC26	0874	—	—	—	—	—	—	—	—	—	AC4IP2	AC4IP1	AC4IP0	—	AC3IP2	AC3IP1	AC3IP0	0044
PC27	0876	—	ADCAN1IP2	ADCAN1IP1	ADCAN1IP0	—	ADCAN0IP2	ADCAN0IP1	ADCAN0IP0	—	—	—	—	—	—	—	—	4400
PC28	0878	—	ADCAN5IP2	ADCAN5IP1	ADCAN5IP0	—	ADCAN4IP2	ADCAN4IP1	ADCAN4IP0	—	ADCAN3IP2	ADCAN3IP1	ADCAN3IP0	—	ADCAN2IP2	ADCAN2IP1	ADCAN2IP0	6444
PC29	087A	—	—	—	—	—	—	—	—	—	ADCAN7IP2	ADCAN7IP1	ADCAN7IP0	—	ADCAN6IP2	ADCAN6IP1	ADCAN6IP0	0044
PC35	0886	—	JTAGIP2	JTAGIP1	JTAGIP0	—	ICDIP2	ICDIP1	ICDIP0	—	—	—	—	—	—	—	—	4400
PC37	088A	—	ADCAN8IP2(3)	ADCAN8IP1(3)	ADCAN8IP0(3)	—	—	—	—	—	—	—	—	—	—	—	—	4000
PC38	088C	—	ADCAN12IP2(3)	ADCAN12IP1(3)	ADCAN12IP0(3)	—	ADCAN11IP2(3)	ADCAN11IP1(3)	ADCAN11IP0(3)	—	ADCAN10IP2(3)	ADCAN10IP1(3)	ADCAN10IP0(3)	—	ADCAN9IP2(3)	ADCAN9IP1(3)	ADCAN9IP0(3)	4444
PC39	088E	—	ADCAN16IP2(3)	ADCAN16IP1(3)	ADCAN16IP0(3)	—	ADCAN15IP2(3)	ADCAN15IP1(3)	ADCAN16IP0(3)	—	ADCAN14IP2(3)	ADCAN14IP1(3)	ADCAN14IP0(3)	—	ADCAN13IP2(3)	ADCAN13IP1	ADCAN13IP0	4444
PC40	0890	—	ADCAN20IP2	ADCAN20IP1	ADCAN20IP0	—	ADCAN19IP2	ADCAN19IP1	ADCAN19IP0	—	ADCAN18IP2	ADCAN18IP1	ADCAN18IP0	—	ADCAN17IP2(3)	ADCAN17IP1(3)	ADCAN17IP0(3)	6444
PC41	0892	—	—	—	—	—	—	—	—	—	—	—	—	—	ADCAN21IP2	ADCAN21IP1	ADCAN21IP0	0004
PC43	0896	—	—	—	—	—	I2C2BOP2	I2C2BOP1	I2C2BOP0	—	I2C1BOP2	I2C1BOP1	I2C1BOP0	—	—	—	—	0440
PC44	0896	—	ADFLTR0IP2	ADFLTR0IP1	ADFLTR0IP0	—	ADCMP1IP2	ADCMP1IP1	ADCMP1IP0	—	ADCMP0IP2	ADCMP0IP1	ADCMP0IP0	—	—	—	—	4440
PC45	089A	—	—	—	—	—	—	—	—	—	—	—	—	—	ADFLTR1IP2	ADFLTR1IP1	ADFLTR1IP0	0004
NTCON1	08C0	NSTD/S	OVAERR	OVBERR	COVAERR	OVAATE	OVBTE	COVTE	SFTACERR	DIVERR	—	MATHERR	ADDRERR	STKERR	OSCFAIL	—	0000
NTCON2	08C2	GIE	DISI	SWTRAP	—	—	—	—	AVTEM	—	—	—	INT4EP	—	INT2EP	INT1EP	INT6EP	8000
NTCON3	08C4	—	—	—	—	—	—	NAE	—	—	—	—	DOOVR	—	—	—	APLL	0000
NTCON4	08C6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SGHT	0000
INTTREG	08C9	—	—	—	—	LR3	LR2	ILR1	ILR0	VECNUM7	VECNUM8	VECNUM5	VECNUM4	VECNUM3	VECNUM2	VECNUM1	VECNUM0	0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: Only available on dsPIC33EPX0GS506 devices
2: Only available on dsPIC30EPXXGS504/505 and dsPIC30EPXXGS506 devices.

TABLE 4-4: TIMER1 THROUGH TIMER5 REGISTER MAP

SFR Name	Addr.	Bit 15 Bit 1	4 Bit 13 Bit	12 Bit 11	Bit 10 Bit 9	Bit 8 Bit 7	Bit 6 Bit 5	Bit 4 Bit 3	Bit 2 Bit 1	Bit 0								All Resets
TMR1	0100	Timer1 Register																xxxx
PR1	0102	Period Register 1																FFFF
T1CON	0104	TON	—	TSIDL	—	—	—	—	—	—	TGATE	TCKPS1	TCKPS0	—	TSYNC	TCS	—	0000
TMR2	0106	Timer2 Register																xxxx
TMR3HLD	0108	Timer3 Holding Register (for 32-bit timer operations only)																xxxx
TMR3	010A	Timer3 Register																xxxx
PR2	010C	Period Register 2																FFFF
PR3	010E	Period Register 3																FFFF
T2CON	0110	TON	—	TSIDL	—	—	—	—	—	—	TGATE	TCKPS1	TCKPS0	T32	—	TCS	—	0000
T3CON	0112	TON	—	TSIDL	—	—	—	—	—	—	TGATE	TCKPS1	TCKPS0	—	—	TCS	—	0000
TMR4	0114	Timer4 Register																xxxx
TMR5HLD	0116	Timer5 Holding Register (for 32-bit operations only)																xxxx
TMR5	0118	Timer5 Register																xxxx
PR4	011A	Period Register 4																FFFF
PR5	011C	Period Register 5																FFFF
T4CON	011E	TON	—	TSIDL	—	—	—	—	—	—	TGATE	TCKPS1	TCKPS0	T32	—	TCS	—	0000
T5CON	0120	TON	—	TSIDL	—	—	—	—	—	—	TGATE	TCKPS1	TCKPS0	—	—	TCS	—	0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-5: INPUT CAPTURE 1 THROUGH INPUT CAPTURE 4 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

IC1CON1

0140

—

—

ICSIDL

ICTSEL2

ICTSEL1

ICTSEL0

—

—

—

ICI1

ICI0

ICOV

ICBNE

ICM2

ICM1

ICM0

000C

IC1CON2

0142

—

—

—

—

—

—

—

IC32

ICTRIG

TRIGSTAT

—

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000D

IC1BUF

0144

Input Capture 1 Buffer Register

xxxxx

IC1TMR

0146

Input Capture 1 Timer Register

0000

IC2CON1

0148

—

—

ICSIDL

ICTSEL2

ICTSEL1

ICTSEL0

—

—

—

ICI1

ICI0

ICOV

ICBNE

ICM2

ICM1

ICM0

000C

IC2CON2

014A

—

—

—

—

—

—

—

IC32

ICTRIG

TRIGSTAT

—

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000D

IC2BUF

014C

Input Capture 2 Buffer Register

xxxxx

IC2TMR

014E

Input Capture 2 Timer Register

0000

IC3CON1

0150

—

—

ICSIDL

ICTSEL2

ICTSEL1

ICTSEL0

—

—

—

ICI1

ICI0

ICOV

ICBNE

ICM2

ICM1

ICM0

000C

IC3CON2

0152

—

—

—

—

—

—

—

IC32

ICTRIG

TRIGSTAT

—

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000D

IC3BUF

0154

Input Capture 3 Buffer Register

xxxxx

IC3TMR

0156

Input Capture 3 Timer Register

0000

IC4CON1

0158

—

—

ICSIDL

ICTSEL2

ICTSEL1

ICTSEL0

—

—

—

ICI1

ICI0

ICOV

ICBNE

ICM2

ICM1

ICM0

000C

IC4CON2

015A

—

—

—

—

—

—

—

IC32

ICTRIG

TRIGSTAT

—

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000D

IC4BUF

015C

Input Capture 4 Buffer Register

xxxxx

IC4TMR

015E

Input Capture 4 Timer Register

0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-6: OUTPUT COMPARE 1 THROUGH OUTPUT COMPARE 4 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

OC1CON1

0900

—

—

OCSIDL

OCTSEL2

OCTSEL1

OCTSEL0

—

—

ENFLTA

—

—

OCFLTA

TRIGMODE

OCM2

OCM1

OCM0

0000

OC1CON2

0902

FLTMD

FLTOUT

FLTTRIEN

OCINV

—

—

—

OC32

OCTRIG

TRIGSTAT

OCTRIS

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000C

OC1RS

0904

Output Compare 1 Secondary Register

xxxxx

OC1R

0906

Output Compare 1 Register

xxxxx

OC1TMR

0908

Timer Value 1 Register

xxxxx

OC2CON1

090A

—

—

OCSIDL

OCTSEL2

OCTSEL1

OCTSEL0

—

—

ENFLTA

—

—

OCFLTA

TRIGMODE

OCM2

OCM1

OCM0

0000

OC2CON2

090C

FLTMD

FLTOUT

FLTTRIEN

OCINV

—

—

—

OC32

OCTRIG

TRIGSTAT

OCTRIS

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000C

OC2RS

090E

Output Compare 2 Secondary Register

xxxxx

OC2R

0910

Output Compare 2 Register

xxxxx

OC2TMR

0912

Timer Value 2 Register

xxxxx

OC3CON1

0914

—

—

OCSIDL

OCTSEL2

OCTSEL1

OCTSEL0

—

—

ENFLTA

—

—

OCFLTA

TRIGMODE

OCM2

OCM1

OCM0

0000

OC3CON2

0916

FLTMD

FLTOUT

FLTTRIEN

OCINV

—

—

—

OC32

OCTRIG

TRIGSTAT

OCTRIS

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000C

OC3RS

0918

Output Compare 3 Secondary Register

xxxxx

OC3R

091A

Output Compare 3 Register

xxxxx

OC3TMR

091C

Timer Value 3 Register

xxxxx

OC4CON1

091E

—

—

OCSIDL

OCTSEL2

OCTSEL1

OCTSEL0

—

—

ENFLTA

—

—

OCFLTA

TRIGMODE

OCM2

OCM1

OCM0

0000

OC4CON2

0920

FLTMD

FLTOUT

FLTTRIEN

OCINV

—

—

—

OC32

OCTRIG

TRIGSTAT

OCTRIS

SYNCSEL4

SYNCSEL3

SYNCSEL2

SYNCSEL1

SYNCSEL0

000C

OC4RS

0922

Output Compare 4 Secondary Register

xxxxx

OC4R

0924

Output Compare 4 Register

xxxxx

OC4TMR

0926

Timer Value 4 Register

xxxxx

Legend: x = unknown value on Reset; — = unimplemented, read as 'C'. Reset values are shown in hexadecimal.

TABLE 4-7: PWM REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PTCON

0C00

PTEN

—

PTSIDL

SESTAT

SEIEN

EIPU

SYNCPOL

SYNCOEN

SYNCEN

SYNCSRC2

SYNCSRC1

SYNCSRC0

SEVTPS3

SEVTPS2

SEVTPS1

SEVTPS0

0000

PTCON2

0C02

—

—

—

—

—

—

—

—

—

—

—

—

—

PCLKDIV<2:0>

0000

PTPER 0C04

PWMx Primary Master Time Base Period Register (PTPER<15:0>)

PPP8

SEVTCMP

0C06

PWMx Special Event Compare Register (SEVTCMP12:0>)

—

—

—

0000

MDC 0C0A

PWMx Master Duty Cycle Register (MDC<15:0>)

0000

STCON

0C0E

—

—

—

SESTAT

SEIEN

EIPU

SYNCPOL

SYNCOEN

SYNCEN

SYNCSRC2

SYNCSRC1

SYNCSRC0

SEVTPS3

SEVTPS2

SEVTPS1

SEVTPS0

0000

STCON2

0C10

—

—

—

—

—

—

—

—

—

—

—

—

—

PCLKDIV<2:0>

0000

STPER 0C12

PWMx Secondary Master Time Base Period Register (STPER<15:0>)

PPP8

SSEVTCMP

0C14

PWMx Secondary Special Event Compare Register (SSEVTCMP<12:0>)

—

—

—

0000

CHOP

0C1A

CHPCLKEN

—

—

—

—

—

CHOPCLK6

CHOPCLK5

CHOPCLK4

CHOPCLK3

CHOPCLK2

CHOPCLK1

CHOPCLK0

—

—

—

0000

PWMKEY

0C1E

PWMx Protection Lock/Unlock Key Register (PWMKEY<15:0>)

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-8: PWM GENERATOR 1 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PWMCON1

0C20

FLTSTAT

CLSTAT

TRGSTAT

FLTIEN

CLIEN

TRGIEN

ITB

MDCS

DTC1

DTC0

—

—

MTBS

CAM

XPRES

IUE

0000

IOCON1

0C22

PENH

PENL

POLI

POLL

PMOD1

PMOD0

OVRENH

OVRENl

OVRDAT1

OVRDAT0

FLTDAT1

FLTDAT0

CLDAT1

CLDAT0

SWAP

OSYNC

0000

FCLCON1

0C24

IFLTMOD

CLSRC4

CLSRC3

CLSRC2

CLSRC1

CLSRC0

CLPOL

CLMOD

FLTSRC4

FLTSRC3

FLTSRC2

FLTSRC1

FLTSRC0

FLTPOL

FLTMOD1

FLTMODO

00p8

PDC1

0C26

PWM1 Generator Duty Cycle Register (PDC1<15:0>)

0000

PHASE1

0C28

PWM1 Primary Phase-Shift or Independent Time Base Period Register (PHASE1<15:0>)

0000

DTR1

0C2A

—

—

PWM1 Dead-Time Register (DTR1<13:0>)

0000

ALTDTR1

0C2C

—

—

PWM1 Alternate Dead-Time Register (ALTDTR1<13:0>)

0000

SDC1

0C2E

PWM1 Secondary Duty Cycle Register (SDC1<15:0>)

0000

SPHASE1 0C30

PWM1 Secondary Phase-Shift Register (SPHASE1<15:0>)

0000

TRIG1

0C32

PWM1 Primary Trigger Compare Value Register (TRGCMP<12:0>)

—

—

—

0000

TRGCON1

0C34

TRGDIV3

TRGDIV2

TRGDIV1

TRGDIV0

—

—

—

—

DTM

—

TRGSTRT5

TRGSTRT4

TRGSTRT3

TRGSTRT2

TRGSTRT1

TRGSTRT0

0000

STRIG1

0C36

PWM1 Secondary Trigger Compare Value Register (STRGCMP<12:0>)

—

—

—

0000

PWMCAP1

0C38

PWM1 Primary Time Base Capture Register (PWMCAP<12:0>)

—

—

—

0000

LEBCON1

0C3A

PHR

PHF

PLR

PLF

FLTLEBEN

CLLEBEN

—

—

—

—

BCH

BCL

BPHH

BPHL

BPLH

BPLL

0000

LEBDLY1

0C3C

—

—

—

—

PWM1 Leading-Edge Blanking Delay Register (LEB<8:0>)

—

—

—

0000

AUXCON1

0C3E

HRPDIS

HRDDIS

—

—

BLANKSEL3

BLANKSEL2

BLANKSEL1

BLANKSEL0

—

—

CHOPSEL3

CHOPSEL2

CHOPSEL1

CHOPSEL0

CHOPHEN

CHOPLEN

0000

Legend: — = unimplemented, read as 0'. Reset values are shown in hexadecimal.

TABLE 4-9: PWM GENERATOR 2 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PWMCON2

0C40

FLTSTAT

CLSTAT

TRGSTAT

FLTIEN

CLIEN

TRGIEN

ITB

MDCS

DTC1

DTC0

—

—

MTBS

CAM

XPRES

IUE

0000

IOCON2

0C42

PENH

PENL

POLH

POLL

PMOD1

PMOD0

OVRENH

OVRENL

OVRDAT1

OVRDAT0

FLTDAT1

FLTDAT0

CLDAT1

CLDAT0

SWAP

OSYNC

0000

FCLCON2

0C44

IFLTMOD

CLSRC4

CLSRC3

CLSRC2

CLSRC1

CLSRC0

CLPOL

CLMOD

FLTSRC4

FLTSRC3

FLTSRC2

FLTSRC1

FLTSRC0

FLTPOL

FLTMOD1

FLTMOD0

00×8

PDC2

0C46

PWM2 Generator Duty Cycle Register (PDC2<15:0>)

0000

PHASE2

0C48

PWM2 Primary Phase-Shift or Independent Time Base Period Register (PHASE2<15:0>)

0000

DTR2

0C4A

—

—

PWM2 Dead-Time Register (DTR2<13:0>)

0000

ALTDTR2

0C4C

—

—

PWM2 Alternate Dead-Time Register (ALTDTR2<13:0>)

0000

SDC2

0C4E

PWM2 Secondary Duty Cycle Register (SDC2<15:0>)

0000

SPHASE2

0C50

PWM2 Secondary Phase-Shift Register (SPHASE2<15:0>)

0000

TRIG2

0C52

PWM2 Primary Trigger Compare Value Register (TRGCMP<12:0>)

—

—

—

0000

TRGCON2

0C54

TRGDIV3

TRGDIV2

TRGDIV1

TRGDIV0

—

—

—

—

DTM

—

TRGSTRT5

TRGSTRT4

TRGSTRT3

TRGSTRT2

TRGSTRT1

TRGSTRT0

0000

STRIG2

0C56

PWM2 Secondary Trigger Compare Value Register (STRGCMP<12:0>)

—

—

—

0000

PWMCAP2

0C58

PWM2 Primary Time Base Capture Register (PWMCAP<12:0>)

—

—

—

0000

LEBCON2

0C5A

PHR

PHF

PLR

PLF

FLTLEBEN

CLLEBEN

—

—

—

—

BCH

BCL

BPHH

BPHL

BPLH

BPLL

0000

LEBDLY2

0C5C

—

—

—

—

PWM2 Leading-Edge Blanking Delay Register (LEB<8:0>)

—

—

—

0000

AUXCON2

0C5E

HRPDIS

HRDDIS

—

—

BLANKSEL3

BLANKSEL2

BLANKSEL1

BLANKSEL0

—

—

CHOPSEL3

CHOPSEL2

CHOPSEL1

CHOPSEL0

CHOPHEN

CHOPLEN

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-10: PWM GENERATOR 3 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PWMCON3

0C60

FLTSTAT

CLSTAT

TROSTAT

FLTIEN

CLIEN

TRGIEN

ITB

MDCS

DTC1

DTC0

—

—

MTBS

CAM

XPRES

IUE

0000

IOCON3

0C62

PENH

PENL

POLH

POLL

PMOD1

PMOD0

OVRENH

OVRENL

OVRDAT1

OVRDAT0

FLTDAT1

FLTDAT0

CLDAT1

CLDAT0

SWAP

OSYNC

0000

FCLCON3

0C64

IFLTMOD

CLSRC4

CLSRC3

CLSRC2

CLSRC1

CLSRC0

CLPOL

CLMOD

FLTSRC4

FLTSRC3

FLTSRC2

FLTSRC1

FLTSRC0

FLTPOL

FLTMOD1

FLTMOD0

00PB

PDC3

0C66

PWM3 Generator Duty Cycle Register (PDC3<15:0>)

0000

PHASE3

0C68

PWM3 Primary Phase-Shift or Independent Time Base Period Register (PHASE3<15:0>)

0000

DTR3

0C8A

—

—

PWM3 Dead-Time Register (DTR3<13:0>)

0000

ALTDTR3

0C8C

—

—

PWM3 Alternate Dead-Time Register (ALTDTR3<13:0>)

0000

SDC3

0C8E

PWM3 Secondary Duty Cycle Register (SDC3<15:0>)

0000

SPHASE3

0C70

PWM3 Secondary Phase-Shift Register (SPHASE3<15:0>)

0000

TRIG3

0C72

PWM3 Primary Trigger Compare Value Register (TRGCOMP<12:0>)

—

—

—

0000

TRGCON3

0C74

TRGDIV3

TRGDIV2

TRGDIV1

TRGDIV0

—

—

—

—

DTM

—

TRGSTRT5

TRGSTRT4

TRGSTRT3

TRGSTRT2

TRGSTRT1

TRGSTRT0

0000

STRIG3

0C76

PWM3 Secondary Trigger Compare Value Register (STRGCOMP<12:0>)

—

—

—

0000

PWMCAP3

0C78

PWM3 Primary Time Base Capture Register (PWMCAP<12:0>)

—

—

—

0000

LEBCON3

0C7A

PHR

PHF

PLR

PLF

FLTLEBEN

CLLEBEN

—

—

—

—

BCH

BCL

BPHH

BPHL

BPLH

BPLL

0000

LEBDLY3

0C7C

—

—

—

—

PWM3 Leading-Edge Blanking Delay Register (LEB<8:0>)

—

—

—

0000

AUXCON3

0C7E

HRPDIS

HRDDIS

—

—

BLANKSEL3

BLANKSEL2

BLANKSEL1

BLANKSEL0

—

—

CHOPSEL3

CHOPSEL2

CHOPSEL1

CHOPSEL0

CHOPHEN

CHOPLEN

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-11: PWM GENERATOR 4 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PWMCON4

0C80

FLTSTAT

CLSTAT

TRGSTAT

FLTIEN

CLIEN

TRGIEN

ITB

MDCS

DTC1

DTC0

—

—

MTBS

CAM

XPRES

IUE

C000

IOCON4

0C82

PENH

PENL

POLH

POLL

PMOD1

PMOD0

OVRENH

OVRENI

OVRDAT1

OVRDAT0

FLTDAT1

FLTDAT0

CLDAT1

CLDAT0

SWAP

OSYNC

C000

FCI.CON4

0C84

IFLTMOD

CLSRC4

CLSRC3

CLSRC2

CLSRC1

CLSRC0

CLPOL

CLMOD

FLTSRC4

FLTSRC3

FLTSRC2

FLTSRC1

FLTSRC0

FLTPOL

FLTMOD1

FLTMOD0

C00F8

PDC4 0C86

PWM4 Generator Duty Cycle Register (PDC4<15:0>)

C000

PHASE4

0C88

PWM4 Primary Phase-Shift or Independent Time Base Period Register (PHASE4<15:0>)

C000

DTR4

0C8A

—

—

C000

ALTDTR4

0C8C

—

—

C000

SDC4

0C8E

PWM4 Secondary Duty Cycle Register (SDC4<15:0>)

C000

SPHASE4

0C90

PWM4 Secondary Phase-Shift Register (SPHASE4<15:0>)

C000

TRIG4

0C92

PWM4 Primary Trigger Compare Value Register (TRGCMP<12:0>)

—

—

—

C000

TRGCON4

0C94

TRGDIV3

TRGDIV2

TRGDIV1

TRGDIVO

—

—

—

—

DTM

—

TRGSTRT5

TRGSTRT4

TRGSTRT3

TRGSTRT2

TRGSTRT1

TRGSTRT0

C000

STRIG4

0C96

PWM4 Secondary Trigger Compare Value Register (STRGCMP<12:0>)

—

—

—

C000

PWMCAP4

0C98

PWM4 Primary Time Base Capture Register (PWMCAP<12:0>)

—

—

—

C000

LEBCON4

0C9A

PHR

PHF

PLR

PLF

FLTLEBEN

CLLEBEN

—

—

—

—

BCH

BCL

BPHH

BPHL

BPLH

BPLL

C000

LEBDLY4

0C9C

—

—

—

—

PWM4 Leading-Edge Blanking Delay Register (LEB<8:0>)

—

—

—

C000

AUXCON4

0C9E

HRPDIS

HRDDIS

—

—

BLANKSEL3

BLANKSEL2

BLANKSEL1

BLANKSEL0

—

—

CHOPSEL3

CHOPSEL2

CHOPSEL1

CHOPSEL0

CHOPHEN

CHOPLEN

C000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-12: PWM GENERATOR 5 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PWMCON5

0CA0

FLTSTAT

CLSTAT

TRGSTAT

FLTEN

CLIEN

TRGIEN

ITB

MDCS

DTC1

DTC0

—

—

MTBS

CAM

XPRES

IUE

C000

IOCON5

0CA2

PENH

PENL

POLH

POLL

PMOD1

PMOD0

OVRENH

OVRENL

OVRDAT1

OVRDAT0

FLTDAT1

FLTDAT0

CLDAT1

CLDAT0

SWAP

OSYNC

C000

FCLCON5

0CA4

IFLTMOD

CLSRC4

CLSRC3

CLSRC2

CLSRC1

CLSRC0

CLPOL

CLMOD

FLTSRC4

FLTSRC3

FLTSRC2

FLTSRC1

FLTSRC0

FLTPOL

FLTMOD1

FLTMOD0

C009

PDC5

0CA6

PWM5 Generator Duty Cycle Register (PDC5<15:0>)

C000

PHASE5

0CA8

PWM5 Primary Phase-Shift or Independent Time Base Period Register (PHASE5<15:0>)

C000

DTR5

0CAA

—

—

PWM5 Dead-Time Register (DTR5<13:0>)

C000

ALTDTR5

0CAC

—

—

PWM5 Alternate Dead-Time Register (ALTDTR5<13:0>)

C000

SDC5

0CAE

PWM5 Secondary Duty Cycle Register (SDC5<15:0>)

C000

SPHASE5

0CB0

PWM5 Secondary Phase-Shift Register (SPHASE5<15:0>)

C000

TRIG5

0CB2

PWM5 Primary Trigger Compare Value Register (TRGCMP<12:0>)

—

—

—

C000

TRGCON5

0CB4

TRGDIV3

TRGDIV2

TRGDIV1

TRGDIV0

—

—

—

—

DTM

—

TRGSTRT5

TRGSTRT4

TRGSTRT3

TRGSTRT2

TRGSTRT1

TRGSTRT0

C000

STRIG5

0CB6

PWM5 Secondary Trigger Compare Value Register (STRGCMP<12:0>)

—

—

—

C000

PWMCAP5

0CB8

PWM5 Primary Time Base Capture Register (PWMCAP<12:0>)

—

—

—

C000

LEBCON5

0CBA

PHR

PHF

PLR

PLF

FLTLEBEN

CLLEBEN

—

—

—

—

BCH

BCL

BPHH

BPHL

BPLH

BPLL

C000

LEBDLY5

0CBC

—

—

—

—

PWM5 Leading-Edge Blanking Delay Register (LEB<8:0>)

—

—

—

C000

AUXCON5

0CBE

HRPDIS

HRDDIS

—

—

BLANKSEL3

BLANKSEL2

BLANKSEL1

BLANKSEL0

—

—

CHOPSEL3

CHOPSEL2

CHOPSEL1

CHOPSEL0

CHOPHEN

CHOPLEN

C000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-13: I2C1 AND I2C2 REGISTER MAP

SFR Name	Addr.	Bit 15	Bit 14	Bit 13	Bit 12	Bit 11	Bit 10	Bit 9	Bit 8	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0	All Resets
I2C1CONL	0200	I2CEN	—	I2CSIDL	SCLREL	STRICT	A10M	DISSLW	SMEN	GCEN	STREN	ACKDT	ACKEN	RCEN	PEN	RSEN	SEN	1000
I2C1CONH	0202	—	—	—	—	—	—	—	—	—	PCIE	SCIE	BOEN	SDAHT	SBCDE	AHEN	DHEN	0000
I2C1STAT	0204	ACKSTAT	TRSTAT	ACKTIM	—	—	BCL	GCSTAT	ADD10	IWCOL	I2COV	D_A	P	S	R_W	RBF	TBF	0000
I2C1ADD	0206	—	—	—	—	—	—	I2C1 Address Register										0000
I2C1MSK	0208	—	—	—	—	—	—	I2C1 Slave Mode Address Mask Register										0000
I2C1BRG	020A	Baud Rate Generator Register																0000
I2C1TRN	020C	—	—	—	—	—	—	—	—	I2C1 Transmit Register								00FF
I2C1RCV	020E	—	—	—	—	—	—	—	—	I2C1Receive Register								0000
I2C2CON1	0210	I2CEN	—	I2CSIDL	SCLREL	STRICT	A10M	DISSLW	SMEN	GCEN	STREN	ACKDT	ACKEN	RCEN	PEN	RSEN	SEN	1000
I2C2CON2	0212	—	—	—	—	—	—	—	—	—	PCIE	SCIE	BOEN	SDAHT	SBCDE	AHEN	DHEN	0000
I2C2STAT	0214	ACKSTAT	TRSTAT	ACKTIM	—	—	BCL	GCSTAT	ADD10	IWCOL	I2COV	D_A	P	S	R_W	RBF	TBF	0000
I2C2ADD	0216	—	—	—	—	—	—	I2C2 Address Register										0000
I2C2MSK	0218	—	—	—	—	—	—	I2C2 Slave Mode Address Mask Register										0000
I2C2BRG	021A	Baud Rate Generator Register																0000
I2C2TRN	021C	—	—	—	—	—	—	—	—	I2C2 Transmit Register								00FF
I2C2RCV	021E	—	—	—	—	—	—	—	—	I2C2Receive Register								0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-14: UART1 AND UART2 REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

U1MODE

0220

UARTEN

—

USIDL

IREN

RTSMD

—

UEN1

UENO

WAKE

LPBACK

ABAUD

URXINV

BRCH

PDSEL1

PDSEL0

STSEL

0000

U1STA

0222

UTXISEL1

UTXINV

UTXISEL0

—

UTXBRK

UTXEN

UTXBF

TRMT

URXISEL1

URXISEL0

ADDEN

RIDLE

PERR

FERR

OERR

URXDA

0110

U1TXREG

0224

—

—

—

—

—

—

—

UART1 Transmit Register

xxxx

U1RXREG

0226

—

—

—

—

—

—

—

UART1 Receive Register

0000

U1BRG

0228

Baud Rate Generator Prescaler Register

0000

U2MODE

0230

UARTEN

—

USIDL

IREN

RTSMD

—

UEN1

UENO

WAKE

LPBACK

ABAUD

URXINV

BRCH

PDSEL1

PDSEL0

STSEL

0000

U2STA

0232

UTXISEL1

UTXINV

UTXISEL0

—

UTXBRK

UTXEN

UTXBF

TRMT

URXISEL1

URXISEL0

ADDEN

RIDLE

PERR

FERR

OERR

URXDA

0110

U2TXREG

0234

—

—

—

—

—

—

—

UART2 Transmit Register

xxxx

U2RXREG

0236

—

—

—

—

—

—

—

UART2 Receive Register

0000

U2BRG

0238

Baud Rate Generator Prescaler Register

0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-15: SPI1 AND SPI2 REGISTER MAP

SFR Name

Addr.

Bit 15 Bit

14 Bit 13 Bit

Bit 12 Bit 11

Bit 10 Bit 9

Bit 8 Bit 7

Bit 6 Bit 5

Bit 4 Bit 3

Bit 2 Bit 1

Bit 0

All Resets

SPI1STAT

0240

SPIEN

—

SPISIDL

—

—

SPIBEC2

SPIBEC1

SPIBEC0

SRMPT

SPIROV

SRXMPT

SISEL2

SISEL1

SISEL0

SPITBF

SPIRBF

0000

SPI1CON1

0242

—

—

—

DISSCK

DISSDO

MODE16

SMP

CKE

SSEN

CKP

MSTEN

SPRE2

SPRE1

SPRE0

PPRE1

PPRE0

0000

SPI1CON2

0244

FRMEN

SPIFSD

FRMPOL

—

—

—

—

—

—

—

—

—

—

—

FRMDLY

SPIBEN

0000

SPI1BUF

0248

SPI1 Transmit and Receive Buffer Register

0000

SPI2STAT

0260

SPIEN

—

SPISIDL

—

—

SPIBEC2

SPIBEC1

SPIBEC0

SRMPT

SPIROV

SRXMPT

SISEL2

SISEL1

SISEL0

SPITBF

SPIRBF

0000

SPI2CON1

0262

—

—

—

DISSCK

DISSDO

MODE16

SMP

CKE

SSEN

CKP

MSTEN

SPRE2

SPRE1

SPRE0

PPRE1

PPRE0

0000

SPI2CON2

0264

FRMEN

SPIFSD

FRMPOL

—

—

—

—

—

—

—

—

—

—

—

FRMDLY

SPIBEN

0000

SPI2BUF

0268

SPI2 Transmit and Receive Buffer Register

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-16: ADC REGISTER MAP

SFR Name	Addr.	Bit 15	Bit 14	Bit 13	Bit 12	Bit 11	Bit 10	Bit 9	Bit 8	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0	All Resets
ADCON'L	0300	ADON	—	ADSIDL	—	—	—	—	—	—	—	—	—	—	—	—	—	0000
ADCON'H	0302	—	—	—	—	—	—	—	—	FORM	SHRES1	SHRES0	—	—	—	—	—	0000
ADCON'L	0304	REFCIE	REFERCIE	—	RIEN	—	SHREISEL7	SHREISEL1	SHREISEL0	—	SHRADCS6	SHRADCS5	SHRADCS4	SHRADCS3	SHRADCS2	SHRADCS1	SHRADCS0	0000
ADCON'H	0306	REFRDY	REFERR	—	—	—	—	SHRSAMC9	SHRSAMC8	SHRSAMC7	SHRSAMC6	SHRSAMC5	SHRSAMC4	SHRSAMC3	SHRSAMC2	SHRSAMC1	SHRSAMC0	0000
ADCON'L	0306	REFSEL2	REFSEL1	REFSEL0	SUSPEND	SUSPCE	SUSPRDY	SHRSAMP	CNVRTCH	SWLTRG	SWCTRG	CNVCHSEL5	CNVCHSEL4	CNVCHSEL3	CNVCHSEL2	CNVCHSEL1	CNVCHSEL0	0000
ADCON'SH	030A	CLKSEL1	CLKSEL0	CLKDIV5	CLKDIV4	CLKDIV3	CLKDIV2	CLKDIV1	CLKDIV0	SHREN	—	—	—	C3EN	C2EN	C1EN	C0EN	0000
ADCON'HL	030C	—	—	—	—	SYNCTR93	SYNCTR92	SYNCTR91	SYNCTR90	—	—	—	—	SAMC3EN	SAMC2EN	SAMC1EN	SAMCOEN	0000
ADCON'HH	030E	—	—	—	—	—	—	—	—	C3CHS1	C3CHS0	C2CHS1	C2CHS0	C1CHS1	C1CHS0	C0CHS1	C0CHS0	0000
ADMOD'OL	0310	DIFF7	SIGN7	DIFF6	SIGN6	DIFF5	SIGN5	DIFF3	SIGN4	DIFF3	SIGN3	DIFF2	SIGN2	DIFF1	SIGN1	DIFF0	SIGN0	0000
ADMOD'OH D312	DIFF15 (1)	SIGN15 (1)	DIFF14 (2)	SIGN14 (2)	DIFF13 (1)	SIGN13 (1)	DIFF12 (2)	SIGN12 (2)	DIFF11 (2)	SIGN11 (2)	DIFF10 (2)	SIGN12 (2)	DIFF9 (2)	SIGN9 (2)	DIFF8 (2)	SIGN8 (2)	SIGN8 (2)	0000
ADMOD'L	0314	—	—	—	—	DIFF21	SIGN21	DIFF20	SIGN20	DIFF19	SIGN19	DIFF18	SIGN18	DIFF17 (2)	SIGN17 (2)	DIFF16 (1)	SIGN16 (1)	0000
ADIEL 0320 IE	5	(1)	IE14 (2)	IE13 (1)	IE12 (2)	IE11 (2)	IE13 (2)	IE9 (2)	IE9 (2)	IE7	IE6	IE5	IE4	IE3	IE2	IE1	IE0	0000
AD'EH	0322	—	—	—	—	—	—	—	—	—	—	IE21	IE20	IE19	IE18	IE17 (2)	IE16 (1)	0000
ADSTATL	0330	AN15RDY (1)	AN14RDY (2)	AN13RDY (1)	AN12RDY (2)	AN11RDY (2)	AN10RDY (2)	AN3RDY (2)	AN3RDY (2)	AN7RDY	AN8RDY	AN5RDY	AN4RDY	AN3RDY	AN2RDY	AN1RDY	AN3RDY	0000
ADSTATH	0332	—	—	—	—	—	—	—	—	—	—	AN21RDY	AN20RDY	AN19RDY	AN16RDY	AN17RDY (2)	AN18RDY (1)	0000
ADCMPOENL	0338	CMPEN15 (1)	CMPEN14 (2)	CMPEN13 (1)	CMPEN12 (2)	CMPEN11 (2)	CMPEN10 (2)	CMPEN9 (2)	CMPEN9 (2)	CMPEN7	CMPEN6	CMPEN5	CMPEN4	CMPEN3	CMPEN2	CMPEN1	CMPEN0	0000
ADCMPOENH	033A	—	—	—	—	—	—	—	—	—	—	CMPEN21	CMPEN20	CMPEN19	CMPEN18	CMPEN17 (2)	CMPEN18 (1)	0000
ADCMPOLO	033C																	0000
ADCMPOHI	033E																	0000
ADCMP1ENL	0340	CMPEN15 (1)	CMPEN14 (2)	CMPEN13 (1)	CMPEN12 (2)	CMPEN11 (2)	CMPEN10 (2)	CMPEN9 (2)	CMPEN9 (2)	CMPEN7	CMPEN5	CMPEN5	CMPEN4	CMPEN3	CMPEN2	CMPEN1	CMPEN0	0000
ADCMP1ENH	0342	—	—	—	—	—	—	—	—	—	—	CMPEN21	CMPEN20	CMPEN19	CMPEN18	CMPEN17 (2)	CMPEN18 (1)	0000
ADCMP1LO	0344																	0000
ADCMP1HI	0346																	0000
ADFLDAT	0368																	0000
ADFL1CON	036A	FLEN	MODE1	MODE3	OVRSAM2	OVRSAM1	OVRSAM0	IE	ROY	—	—	—	FLCHSEL4	FLCHSEL3	FLCHSEL2	FLCHSEL1	FLCHSEL0	0000
ADFL1DAT	0366																	0000
ADFL3CON	036A	FLEN	MODE1	MODE0	OVRSAM2	OVRSAM1	OVRSAM0	IE	RDY	—	—	—	FLCHSEL4	FLCHSEL3	FLCHSEL2	FLCHSEL1	FLCHSEL0	0000
ADTRIG'OL	0360	—	—	—														0000
ADTRIG'HI	0362	—	—	—														0000
ADTRIG'L	0364	—	—	—														0000
ADTRIG'H	0366	—	—	—														0000
ADTRIG'L	0368	—	—	—														0000
ADTRIG'H	036A	—	—	—														0000
ADTRIG'L	036C	—	—	—														0000
ADTRIG'H	036E	—	—	—														0000
ADTRIG'L	0360	—	—	—														0000
ADTRIG'H	0362	—	—	—														0000
ADTRIG'L	0364	—	—	—														0000

Legend: — = unimplemented, read as 'r'. Reset values are shown in hexadecimal.
Note 1: Implemented on dsPIC33EPXXGS506 devices only.
2: Implemented on dsPIC33EPXXGS501/505 and dsPIC33EPXXGS506 devices only.

TABLE 4-16: ADC REGISTER MAP (CONTINUED)

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

ADLVLTRGL0

03D0

LEN15 (1)

LVLEN14 L

LLEN13 (1)

LVLEN12 (2)

LVLEN11 (2)

LVLEN10 (2)

LVLEN0 (2)

LVLEN6 (2)

LVLEN7 L

LEN6 LVLEN5 L

LEN4 LVLEN3 L

LEN2 LVLEN1 L

LVLEN0

0000

ADLVLTRGH

03D2

—

—

—

—

—

—

—

—

—

—

LVLEN21

LVLEN20

LVLEN19

LVLEN16

LVLEN17(2)

LVLEN9 (1)

0000

ADCOREOL

03D4

—

—

—

—

—

—

SAMC<9:0>

0000

ADCOREOH

03D6

—

—

—

EISEL2

EISEL1

EISEL0

RES1

RES0

—

ADCS6

ADCS5

ADCS4

ADCS3

ADCS2

ADCS1

ADCS0

0000

ADCORE1L

03D8

—

—

—

—

—

—

SAMC<9:0>

0000

ADCORE1H

03DA

—

—

—

EISEL2

EISEL1

EISEL0

RES1

RES0

—

ADCS6

ADCS5

ADCS4

ADCS3

ADCS2

ADCS1

ADCS0

0000

ADCORE2L

03DC

—

—

—

—

—

—

SAMC<9:0>

0000

ADCORE2H

03DE

—

—

—

EISEL2

EISEL1

EISEL0

RES1

RES0

—

ADCS6

ADCS5

ADCS4

ADCS3

ADCS2

ADCS1

ADCS0

0000

ADCORE3L

03E0

—

—

—

—

—

—

SAMC<9:0>

0000

ADCORE3H

03E2

—

—

—

EISEL2

EISEL1

EISEL0

RES1

RES0

—

ADCS6

ADCS5

ADCS4

ADCS3

ADCS2

ADCS1

ADCS0

0000

ADEIEL

03F0

EEN15 (1)

EEN14(2)

EEN13(1)

EEN12(2)

EEN11(2)

EEN10(2)

EEN9(2)

EEN8(2)

EEN7

EEN6

EEN5

EEN4

EEN3

EEN2

EEN1

EEN0

0000

ADEIEH

03F2

—

—

—

—

—

—

—

—

—

—

EEN21

EEN20

EEN19

EEN18

EEN17(2)

EEN18(1)

0000

ADEISTATL

03F8

EISTAT1(2)

EISTAT1(2)

EISTAT1(1)

EISTAT1(2)

EISTAT1(2)

EISTAT1(2)

EISTAT9(2)

EISTAT6(2)

EISTAT7

EISTAT6

EISTAT5

EISTAT4

EISTAT3

EISTAT2

EISTAT1

EISTAT0

0000

ADEISTATH

03FA

—

—

—

—

—

—

—

—

—

—

EISTAT21

EISTAT20

EISTAT19

EISTAT18

EISTAT17(2)

EISTAT16(1)

0000

ADCCNSL

0400

SHRRDY

—

—

—

C3RDY

C2RDY

C1RDY

CORDY

SHRPAWR

—

—

—

C3PWR

C2PWR

C1PWR

COPWR

0000

ADCCNSH

0402

—

—

—

—

WARMTIME3

WARMTIME2

WARMTIME1

WARMTIME0

SHRCIE

—

—

—

C3CIE

C2CIE

C1CIE

CDCIE

0000

ADCALOL

0404

CALRDY

—

—

—

CAL1DIFF

CAL1EN

CAL1RUN

CALORDY

—

—

—

—

CAL0DIFF

CALIEN

CALORUN

CALORUN

0000

ADCALOH

0406

CALRDY

—

—

—

CAL3DIFF

CAL3EN

CAL3RUN

CAL2RDY

—

—

—

—

CAL2DIFF

CAL2EN

CAL2RUN

CAL2RUN

0000

ADCAL1H

040A

CSHRRDY

—

—

—

CSHRDIFF

CSHREN

CSHRRUN

—

—

—

—

—

—

—

—

—

0000

ADCBUF0

040C

ADC Data Buffer 0

0000

ADCBUF1

040E

ADC Data Buffer 1

0000

ADCBUF2

0410

ADC Data Buffer 2

0000

ADCBUF3

0412

ADC Data Buffer 3

0000

ADCBUF4

0414

ADC Data Buffer 4

0000

ADCBUF5

0416

ADC Data Buffer 5

0000

ADCBUF6

0418

ADC Data Buffer 6

0000

ADCBUF7

041A

ADC Data Buffer 7

0000

ADCBUF8

041C

ADC Data Buffer 8

0000

ADCBUF9

041E

ADC Data Buffer 9

0000

ADCBUF10

0420

ADC Data Buffer 10

0000

ADCBUF11

0422

ADC Data Buffer 11

0000

ADCBUF12

0424

ADC Data Buffer 12

0000

ADCBUF13

0426

ADC Data Buffer 13

0000

ADCBUF14

0428

ADC Data Buffer 14

0000

ADCBUF15

042A

ADC Data Buffer 15

0000

ADCBUF16

042C

ADC Data Buffer 16

0000

ADCBUF17

042E

ADC Data Buffer 17

0000

ADCBUF18

0430

ADC Data Buffer 18

0000

ADCBUF19

0432

ADC Data Buffer 19

0000

ADCBUF20

0434

ADC Data Buffer 20

0000

ADCBUF21

0436

ADC Data Buffer 21

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: Implemented on dsPIC33EPXXGS506 devices only.
2: Implemented on dsPIC33EPXXGS504/505 and dsPIC33EPXXGS506 devices only.

TABLE 4-17: PERIPHERAL PIN SELECT OUTPUT REGISTER MAP FOR dsPIC33EPXXGS502 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

RPOR0

0670

—

—

RP33R5

RP33R4

RP33R3

RP33R2

RP33R1

RP33R0

—

—

RP32R5

RP32R4

RP32R3

RP32R2

RP32R1

RP32R0

0000

RPOR1

0672

—

—

RP35R5

RP35R4

RP35R3

RP35R2

RP35R1

RP35R0

—

—

RP34R5

RP34R4

RP34R3

RP34R2

RP34R1

RP34R0

0000

RPOR2

0674

—

—

RP37R5

RP37R4

RP37R3

RP37R2

RP37R1

RP37R0

—

—

RP36R5

RP36R4

RP36R3

RP36R2

RP36R1

RP36R0

0000

RPOR3

0676

—

—

RP39R5

RP39R4

RP39R3

RP39R2

RP39R1

RP39R0

—

—

RP38R5

RP38R4

RP38R3

RP38R2

RP38R1

RP38R0

0000

RPOR4

0678

—

—

RP41R5

RP41R4

RP41R3

RP41R2

RP41R1

RP41R0

—

—

RP40R5

RP40R4

RP40R3

RP40R2

RP40R1

RP40R0

0000

RPOR5 067A

—

—

RP43R5

RP43R4

RP43R3

RP43R2

RP43R1

RP43R0

—

—

RP42R5

RP42R4

RP42R3

RP42R2

RP42R1

RP42R0

0000

RPOR6 067C

—

—

RP45R5

RP45R4

RP45R3

RP45R2

RP45R1

RP45R0

—

—

RP44R5

RP44R4

RP44R3

RP44R2

RP44R1

RP44R0

0000

RPOR7 067E

—

—

RP47R5

RP47R4

RP47R3

RP47R2

RP47R1

RP47R0

—

—

RP46R5

RP46R4

RP46R3

RP46R2

RP46R1

RP46R0

0000

RPOR16

0690

—

—

RP177R5

RP177R4

RP177R3

RP177R2

RP177R1

RP177R0

—

—

RP176R5

RP176R4

RP176R3

RP176R2

RP176R1

RP176R0

0000

RPOR17

0692

—

—

RP179R5

RP179R4

RP179R3

RP179R2

RP179R1

RP179R0

—

—

RP178R5

RP178R4

RP178R3

RP178R2

RP178R1

RP178R0

0000

RPOR18

0694

—

—

RP181R5

RP181R4

RP181R3

RP181R2

RP181R1

RP181R0

—

—

RP180R5

RP180R4

RP180R3

RP180R2

RP180R1

RP180R0

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-18: PERIPHERAL PIN SELECT OUTPUT REGISTER MAP FOR dsPIC33EPXXGS504/505 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

RPOR0

0670

—

—

RP33R5

RP33R4

RP33R3

RP33R2

RP33R1

RP33R0

—

—

RP32R5

RP32R4

RP32R3

RP32R2

RP32R1

RP32R0

0000

RPOR1

0672

—

—

RP35R5

RP35R4

RP35R3

RP35R2

RP35R1

RP35R0

—

—

RP34R5

RP34R4

RP34R3

RP34R2

RP34R1

RP34R0

0000

RPOR2

0674

—

—

RP37R5

RP37R4

RP37R3

RP37R2

RP37R1

RP37R0

—

—

RP36R5

RP36R4

RP36R3

RP36R2

RP36R1

RP36R0

0000

RPOR3

0676

—

—

RP39R5

RP39R4

RP39R3

RP39R2

RP39R1

RP39R0

—

—

RP36R5

RP36R4

RP36R3

RP36R2

RP36R1

RP36R0

0000

RPOR4

0678

—

—

RP41R5

RP41R4

RP41R3

RP41R2

RP41R1

RP41R0

—

—

RP40R5

RP40R4

RP40R3

RP40R2

RP40R1

RP40R0

0000

RPOR5 067A

—

—

RP43R5

RP43R4

RP43R3

RP43R2

RP43R1

RP43R0

—

—

RP42R5

RP42R4

RP42R3

RP42R2

RP42R1

RP42R0

0000

RPOR6 067C

—

—

RP45R5

RP45R4

RP45R3

RP45R2

RP45R1

RP45R0

—

—

RP44R5

RP44R4

RP44R3

RP44R2

RP44R1

RP44R0

0000

RPOR7 067E

—

—

RP47R5

RP47R4

RP47R3

RP47R2

RP47R1

RP47R0

—

—

RP46R5

RP46R4

RP46R3

RP46R2

RP46R1

RP46R0

0000

RPOR8

0680

—

—

RP49R5

RP49R4

RP49R3

RP49R2

RP49R1

RP49R0

—

—

RP48R5

RP48R4

RP48R3

RP48R2

RP48R1

RP48R0

0000

RPOR9

0682

—

—

RP51R5

RP51R4

RP51R3

RP51R2

RP51R1

RP51R0

—

—

RP50R5

RP50R4

RP50R3

RP50R2

RP50R1

RP50R0

0000

RPOR10

0684

—

—

RP53R5

RP53R4

RP53R3

RP53R2

RP53R1

RP53R0

—

—

RP52R5

RP52R4

RP52R3

RP52R2

RP52R1

RP52R0

0000

RPOR11

0686

—

—

RP55R5

RP55R4

RP55R3

RP55R2

RP55R1

RP55R0

—

—

RP54R5

RP54R4

RP54R3

RP54R2

RP54R1

RP54R0

0000

RPOR12

0688

—

—

RP57R5

RP57R4

RP57R3

RP57R2

RP57R1

RP57R0

—

—

RP56R5

RP56R4

RP56R3

RP56R2

RP56R1

RP56R0

0000

RPOR13

068A

—

—

RP59R5

RP59R4

RP59R3

RP59R2

RP59R1

RP59R0

—

—

RP58R5

RP58R4

RP58R3

RP58R2

RP58R1

RP58R0

0000

RPOR14

068C

—

—

RP61R5

RP61R4

RP61R3

RP61R2

RP61R1

RP61R0

—

—

RP60R5

RP60R4

RP60R3

RP60R2

RP60R1

RP60R0

0000

RPOR16

0690

—

—

RP177R5

RP177R4

RP177R3

RP177R2

RP177R1

RP177R0

—

—

RP176R5

RP176R4

RP176R3

RP176R2

RP176R1

RP176R0

0000

RPOR17

0692

—

—

RP179R5

RP179R4

RP179R3

RP179R2

RP179R1

RP179R0

—

—

RP178R5

RP178R4

RP178R3

RP178R2

RP178R1

RP178R0

0000

RPOR18

0694

—

—

RP181R5

RP181R4

RP181R3

RP181R2

RP181R1

RP181R0

—

—

RP180R5

RP180R4

RP180R3

RP180R2

RP180R1

RP180R0

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-19: PERIPHERAL PIN SELECT OUTPUT REGISTER MAP FOR dsPIC33EPXXGS506 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

RPOR0

0670

—

—

RP33R5

RP33R4

RP33R3

RP33R2

RP33R1

RP33R0

—

—

RP32R5

RP32R4

RP32R3

RP32R2

RP32R1

RP32R0

0000

RPOR1

0672

—

—

RP35R5

RP35R4

RP35R3

RP35R2

RP35R1

RP35R0

—

—

RP34R5

RP34R4

RP34R3

RP34R2

RP34R1

RP34R0

0000

RPOR2

0674

—

—

RP37R5

RP37R4

RP37R3

RP37R2

RP37R1

RP37R0

—

—

RP36R5

RP36R4

RP36R3

RP36R2

RP36R1

RP36R0

0000

RPOR3

0676

—

—

RP39R5

RP39R4

RP39R3

RP39R2

RP39R1

RP39R0

—

—

RP38R5

RP38R4

RP38R3

RP38R2

RP38R1

RP38R0

0000

RPOR4

0678

—

—

RP41R5

RP41R4

RP41R3

RP41R2

RP41R1

RP41R0

—

—

RP40R5

RP40R4

RP40R3

RP40R2

RP40R1

RP40R0

0000

RPOR5 067A

—

—

RP43R5

RP43R4

RP43R3

RP43R2

RP43R1

RP43R0

—

—

RP42R5

RP42R4

RP42R3

RP42R2

RP42R1

RP42R0

0000

RPOR6 067C

—

—

RP45R5

RP45R4

RP45R3

RP45R2

RP45R1

RP45R0

—

—

RP44R5

RP44R4

RP44R3

RP44R2

RP44R1

RP44R0

0000

RPOR7 067E

—

—

RP47R5

RP47R4

RP47R3

RP47R2

RP47R1

RP47R0

—

—

RP46R5

RP46R4

RP46R3

RP46R2

RP46R1

RP46R0

0000

RPOR8

0680

—

—

RP49R5

RP49R4

RP49R3

RP49R2

RP49R1

RP49R0

—

—

RP48R5

RP48R4

RP48R3

RP48R2

RP48R1

RP48R0

0000

RPOR9

0682

—

—

RP51R5

RP51R4

RP51R3

RP51R2

RP51R1

RP51R0

—

—

RP50R5

RP50R4

RP50R3

RP50R2

RP50R1

RP50R0

0000

RPOR10

0684

—

—

RP53R5

RP53R4

RP53R3

RP53R2

RP53R1

RP53R0

—

—

RP52R5

RP52R4

RP52R3

RP52R2

RP52R1

RP52R0

0000

RPOR11

0686

—

—

RP55R5

RP55R4

RP55R3

RP55R2

RP55R1

RP55R0

—

—

RP54R5

RP54R4

RP54R3

RP54R2

RP54R1

RP54R0

0000

RPOR12

0688

—

—

RP57R5

RP57R4

RP57R3

RP57R2

RP57R1

RP57R0

—

—

RP56R5

RP56R4

RP56R3

RP56R2

RP56R1

RP56R0

0000

RPOR13

068A

—

—

RP59R5

RP59R4

RP59R3

RP59R2

RP59R1

RP59R0

—

—

RP58R5

RP58R4

RP58R3

RP58R2

RP58R1

RP58R0

0000

RPOR14

068C

—

—

RP61R5

RP61R4

RP61R3

RP61R2

RP61R1

RP61R0

—

—

RP60R5

RP60R4

RP60R3

RP60R2

RP60R1

RP60R0

0000

RPOR15

068E

—

—

RP63R5

RP63R4

RP63R3

RP63R2

RP63R1

RP63R0

—

—

RP62R5

RP62R4

RP62R3

RP62R2

RP62R1

RP62R0

0000

RPOR16

0690

—

—

RP177R5

RP177R4

RP177R3

RP177R2

RP177R1

RP177R0

—

—

RP176R5

RP176R4

RP176R3

RP176R2

RP176R1

RP176R0

0000

RPOR17

0692

—

—

RP179R5

RP179R4

RP179R3

RP179R2

RP179R1

RP179R0

—

—

RP178R5

RP178R4

RP178R3

RP178R2

RP178R1

RP178R0

0000

RPOR18

0694

—

—

RP181R5

RP181R4

RP181R3

RP181R2

RP181R1

RP181R0

—

—

RP180R5

RP180R4

RP180R3

RP180R2

RP180R1

RP180R0

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-20: PERIPHERAL PIN SELECT INPUT REGISTER MAP

SFR Name

Addr.

Bit 15 Bit 14

Bit 13 Bit 12

Bit 11 Bit 10

Bit 9 Bit 8

Bit 7 Bit 6

Bit 5 Bit 4

Bit 3 Bit 2

Bit 1

Bit 0

All Resets

RPINR0

06A0

INT1R<7:0>

—

—

—

—

—

—

—

—

—

0000

RPINR1

06A2

—

—

—

—

—

—

—

—

—

INT2R<7:0>

0000

RPINR2

06A4

T1CKR<7:0>

—

—

—

—

—

—

—

—

—

0000

RPINR3

06A6

T3CKR7

T3CKR6

T3CKR5

T3CKR4

T3CKR3

T3CKR2

T3CKR1

T3CKR0

T2CKR7

T2CKR6

T2CKR5

T2CKR4

T2CKR3

T2CKR2

T2CKR1

T2CKR0

0000

RPINR7

06AE

IC2R7

IC2R6

IC2R5

IC2R4

IC2R3

IC2R2

IC2R1

IC2R0

IC1R7

IC1R6

IC1R5

IC1R4

IC1R3

IC1R2

IC1R1

IC1R0

0000

RPINR8

06B0

IC4R7

IC4R6

IC4R5

IC4R4

IC4R3

IC4R2

IC4R1

IC4R0

IC3R7

IC3R6

IC3R5

IC3R4

IC3R3

IC3R2

IC3R1

IC3R0

0000

RPINR11

06B6

—

—

—

—

—

—

—

—

OCFAR<7:0>

0000

RPINR12

06B8

FLT2R7

FLT2R6

FLT2R5

FLT2R4

FLT2R3

FLT2R2

FLT2R1

FLT2R0

FLT1R7

FLT1R6

FLT1R5

FLT1R4

FLT1R3

FLT1R2

FLT1R1

FLT1R0

0000

RPINR13

06BA

FLT4R7

FLT4R6

FLT4R5

FLT4R4

FLT4R3

FLT4R2

FLT4R1

FLT4R0

FLT3R7

FLT3R6

FLT3R5

FLT3R4

FLT3R3

FLT3R2

FLT3R1

FLT3R0

0000

RPINR18

06C4

U1CTSR7

U1CTSR6

U1CTSR5

U1CTSR4

U1CTSR3

U1CTSR2

U1CTSR1

U1CTS0

U1RXR7

U1RXR6

U1RXR5

U1RXR4

U1RXR3

U1RXR2

U1RXR1

U1RXR0

0000

RPINR19

06C6

U2CTSR7

U2CTSR6

U2CTSR5

U2CTSR4

U2CTSR3

U2CTSR2

U2CTSR1

U2CTSR0

U2RXR7

U2RXR6

U2RXR5

U2RXR4

U2RXR3

U2RXR2

U2RXR1

U2RXR0

0000

RPINR20

06C8

SCK1INR7

SCK1INR6

SCK1INR5

SCK1INR4

SCK1INR3

SCK1INR2

SCK1INR1

SCK1INR0

SDI1R7

SDI1R6

SDI1R5

SDI1R4

SDI1R3

SDI1R2

SDI1R1

SDI1R0

0000

RPINR21

06CA

—

—

—

—

—

—

—

—

SS1R<7:0>

0000

RPINR22

06CC

SCK2INR7

SCK2INR6

SCK2INR5

SCK2INR4

SCK2INR3

SCK2INR2

SCK2INR1

SCK2INR0

SDI2R7

SDI2R6

SDI2R5

SDI2R4

SDI2R3

SDI2R2

SDI2R1

SDI2R0

0000

RPINR23

06CE

—

—

—

—

—

—

—

—

SS2R<7:0>

0000

RPINR37

06EA

SYNC11R<7:0>

—

—

—

—

—

—

—

—

0000

RPINR38

06EC

—

—

—

—

—

—

—

—

SYNC12R<7:0>

0000

RPINR42

06F4

FLT6R7

FLT6R6

FLT6R5

FLT6R4

FLT6R3

FLT6R2

FLT6R1

FLT6R0

FLT5R7

FLT5R6

FLT5R5

FLT5R4

FLT5R3

FLT5R2

FLT5R1

FLT5R0

0000

RPINR43

06F6

FLT8R7

FLT8R6

FLT8R5

FLT8R4

FLT8R3

FLT8R2

FLT8R1

FLT8R0

FLT7R7

FLT7R6

FLT7R5

FLT7R4

FLT7R3

FLT7R2

FLT7R1

FLT7R0

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-21: NVM REGISTER MAP

SFR Name	Addr.	Bit 15	Bit 14	Bit 13	Bit 12	Bit 11	Bit 10	Bit 9	Bit 8	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0	All Resets
NVMCON	0728	WR	WREN	WRERR	NVMSIDL	SFTSWP	P2ACTIV	RPDF	URERR	—	—	—	—	NVMOP3	NVMOP2	NVMOP1	NVMOP0	0000
NVMADR	072A	NVMADR<15:0>																0000
NVMADRU 072C		—	—	—	—	—	—	—	—	NVMADR<23:16>								0000
NVMKEY	072E	—	—	—	—	—	—	—	—	NVMKEY<7:0>								0000
NVMSRCADR	0730	NVM Source Data Address Register, Lower Word (NVMSRCADR<15:0>)																0000
NVMSRCADRH	0732	—	—	—	—	—	—	—	—	NVM Source Data Address Register, Upper Byte (NVMSRCADR<23:16>								0000

Legend: — = unimplemented, read as "0". Reset values are shown in hexadecimal.

TABLE 4-22: SYSTEM CONTROL REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

RCON 0740

TRA

PR IOPU

WR

—

—

VREGSF

—

CM

VREGS

EXTR

SWR

SWDTEN

WDTO

SLEEP

IDLE

BOR

POR

Note 1

OSCCON

0742

—

COSC2

COSC1

COSC0

—

NOSC2

NOSC1

NOSC0

CLKLOCK

IOLOCK

LOCK

—

CF

—

—

OSWEN

Note 2

CLKDIV

0744

ROI

DOZE2

DOZE1

DOZE0

DOZEN

FRCDIV2

FRCDIV1

FRCDIV0

PLLPOST1

PLLPOST0

—

PLLPRE4

PLLPRE3

PLLPRE2

PLLPRE1

PLLPRE0

3040

PLLFBD 0746

—

—

—

—

—

—

—

—

PLLDIV<8:0>

0030

OSCTUN

0748

—

—

—

—

—

—

—

—

—

—

TUN<5:0>

0000

LFSR

074C

—

LFSR<14:0>

0000

REFOCON

074E

ROON

—

ROSSLP

ROSEL

RODIV3

RODIV2

RODIV1

RODIV0

—

—

—

—

—

—

—

—

0000

ACLKCON

0750

ENAPLL

APLLCK

SELACLK

—

—

APSTSCLR2

APSTSCLR1

APSTSCLR0

ASRCSEL

FRCSEL

—

—

—

—

—

—

2740

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.
Note 1: RCON register Reset values are dependent on the type of Reset.
2: OSCCON register Reset values are dependent on the Configuration fuses.

TABLE 4-23: PMD REGISTER MAP

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-24: CONSTANT-CURRENT SOURCE REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

ISRCCON

0500

ISRCEN

—

—

—

—

OUTSEL2

OUTSEL1

OUTSEL0

—

—

ISRCCAL5

ISRCCAL4

ISRCCAL3

ISRCCAL2

ISRCCAL1

ISRCCAL0

0000

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-25: PROGRAMMABLE GAIN AMPLIFIER REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

PGA1CON

0504

PGAEN

PGAOEN

SELPI2

SELPI1

SELPI0

SELNI2

SELNI1

SELNI0

—

—

—

—

—

GAIN2

GAIN1

GAIN0

00:00

PGA1CAL

0506

—

—

—

—

—

—

—

—

—

—

PGACAL<5:0>

00:00

PGA2CON

0508

PGAEN

PGAOEN

SELPI2

SELPI1

SELPI0

SELNI2

SELNI1

SELNI0

—

—

—

—

—

GAIN2

GAIN1

GAIN0

00:00

PGA2CAL

050A

—

—

—

—

—

—

—

—

—

—

PGACAL<5:0>

00:00

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-26: ANALOG COMPARATOR REGISTER MAP

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

CMP1CON

0540

MPON

—

CMPSIDL

HYSSEL1

HYSSEL0

FLTREN

FCLKSEL

DACOE

INSEL1

INSEL0

EXTREF

HYSPOL

CMPSTAT

ALTINP

CMPPOL

RANGE

0000

CMP1DAC

0542

—

—

—

—

CMREF<11:0>

0000

CMP2CON

0544

CMPON

—

CMPSIDL

HYSSEL1

HYSSEL0

FLTREN

FCLKSEL

DACOE

INSEL1

INSEL0

EXTREF

HYSPOL

CMPSTAT

ALTINP

CMPPOL

RANGE

0000

CMP2DAC

0546

—

—

—

—

CMREF<11:0>

0000

CMP3CON

0548

CMPON

—

CMPSIDL

HYSSEL1

HYSSEL0

FLTREN

FCLKSEL

DACOE

INSEL1

INSEL0

EXTREF

HYSPOL

CMPSTAT

ALTINP

CMPPOL

RANGE

0000

CMP3DAC

054A

—

—

—

—

CMREF<11:0>

0000

CMP4CON

054C

CMPON

—

CMPSIDL

HYSSEL1

HYSSEL0

FLTREN

FCLKSEL

DACOE

INSEL1

INSEL0

EXTREF

HYSPOL

CMPSTAT

ALTINP

CMPPOL

RANGE

0000

CMP4DAC

054E

—

—

—

—

CMREF<11:0>

0000

Legend: — = unimplemented, read as "D". Reset values are shown in hexadecimal.

TABLE 4-27: JTAG INTERFACE REGISTER MAP

SFR Name

Addr

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

JDATAH

0FF0

—

—

—

—

JDATAH<11:0>

xxxx

JDATAL

0FF2

JDATAL<15:0>

0000

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-28: PORTA REGISTER MAP FOR dsPIC33EPXXGS502 DEVICES

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-29: PORTB REGISTER MAP FOR dsPIC33EPXXGS502 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

TRISB

0E10

TRISB<15:0>

FCCC

PORTB

0E12

RB<15:0>

xxxx

LATB 0E14

LATB<15:0>

xxxx

ODCB

0E16

ODCB<15:0>

0000

CNENB

0E18

CNIEB<15:0>

0000

CNPUB

0E1A

CNPUB<15:0>

0000

CNPDB

0E1C

CNPDB<15:0>

0000

ANSELB

0E1E

—

—

—

—

—

ANSB<10:9>

—

ANSB<7:0>

067F

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-30: PORTA REGISTER MAP FOR dsPIC33EPXXGS504/505 DEVICES

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-31: PORTB REGISTER MAP FOR dsPIC33EPXXGS504/505 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

TRISB

0E10

TRISB<15:0>

FZFP

PORTB

0E12

RB<15:0>

xxxx

LATB

0E14

LATB<15:0>

xxxx

ODCB

0E16

ODCB<15:0>

0000

CNENB

0E18

CNIEB<15:0>

0000

CNPUB

0E1A

CNPUB<15:0>

0000

CNPDB

0E1C

CNPDB<15:0>

0000

ANSELB

0E1E

—

—

—

—

—

ANSB<10:9>

—

ANSB<7:5>

—

ANSB<3:0>

06FF

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-32: PORTC REGISTER MAP FOR dsPIC33EPXXGS504/505 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

TRISC

0E20

—

—

TRISC<13:0>

2277

PORTC

0E22

—

—

RC<13:0>

xxxx

LATC 0E24

—— LATC<13:0>

xxxx

ODCC

0E26

—

—

ODCC<13:0>

0000

CNENC

0E28

—

—

CNIEC<13:0>

0000

CNPUC

0E2A

—

—

CNPUC<13:0>

0000

CNPDC

0E2C

—

—

CNPDC<13:0>

0000

ANSELC

0E2E

—

—

—

ANSC<12:9>

—

—

ANSC<6:4>

—

ANSC<2:0>

1577

Legend: x = unknown value on Reset; — = unimplemented, read as 'C'. Reset values are shown in hexadecimal.

TABLE 4-33: PORTA REGISTER MAP FOR dsPIC33EPXXGS506 DEVICES

Legend: — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-34: PORTB REGISTER MAP FOR dsPIC33EPXXGS506 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

TRISB

0E10

TRISB<15:0>

FFFF

PORTB

0E12

RB<15:0>

xxxx

LATB

0E14

LATB<15:0>

xxxx

ODCB

0E16

ODCB<15:0>

0000

CNENB

0E18

CNIEB<15:0>

0000

CNPUB

0E1A

CNPUB<15:0>

0000

CNPDB

0E1C

CNPDB<15:0>

0000

ANSELB

0E1E

—

—

—

—

—

ANSB<10:9>

—

ANSB<7:5>

—

ANSB<3:0>

065F

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-35: PORTC REGISTER MAP FOR dsPIC33EPXXGS506 DEVICES

SFR Name

Addr.

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

All Resets

TRISC

0E20

TRISC<15:0>

FPTT

PORTC

0E22

RC<15:0>

xxxx

LATC

0E24

LATC<15:0>

xxxx

ODCC

0E26

ODCC<15:0>

0000

CNENC

0E28

CNIEC<15:0>

0000

CNPUC

0E2A

CNPUC<15:0>

0000

CNPDC

0E2C

CNPDC<15:0>

0000

ANSELC

0E2E

—

—

—

ANSC<12:9>

—

—

ANSC<6:4>

—

ANSC<2:0>

1E77

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal.

TABLE 4-36: PORTD REGISTER MAP FOR dsPIC33EPXXGS506 DEVICES

SFR Name

Addr.

Bit 15 Bit 14

Bit 13 Bit 12

Bit 11 Bit

10 Bit 9 Bit

8 Bit 7 Bit 6

Bit 5 Bit 4

Bit 3 Bit 2

Bit 1 Bit 0

All Resets

TRISD

0E30

TRISD<15:0>

FFFF

PORTD

0E32

RD<15:0>

xxxx

LATD

0E34

LATD<15:0>

xxxx

ODCD

0E36

ODCD<15:0>

0000

CNEND

0E38

CNIED<15:0>

0000

CNPUD

0E3A

CNPUD<15:0>

0000

CNPDD

0E3C

CNPDD<15:0>

0000

ANSELD

0E3E

—

—

ANSD13

—

—

—

—

—

—

ANSD7

—

—

—

—

ANSD2

—

—

Legend: x = unknown value on Reset; — = unimplemented, read as '0'. Reset values are shown in hexadecimal

4.5.1 PAGED MEMORY SCHEME

The dsPIC33EPXXGS50X architecture extends the available Data Space through a paging scheme, which allows the available Data Space to be accessed using MOV instructions in a linear fashion for pre- and post-modified Effective Addresses (EAs). The upper half of the base Data Space address is used in conjunction with the Data Space Page (DSRPAG) register to form the Program Space Visibility (PSV) address.

The Data Space Page (DSRPAG) register is located in the SFR space. Construction of the PSV address is shown in Figure 4-9. When DSRPAG<9> = 1 and the base address bit, EA<15> = 1, the DSRPAG<8:0> bits are concatenated onto EA<14:0> to form the 24-bit PSV read address.

The paged memory scheme provides access to multiple 32-Kbyte windows in the PSV memory. The Data Space Page (DSRPAG) register, in combination with the upper half of the Data Space address, can provide up to 8 Mbytes of PSV address space. The paged data memory space is shown in Figure 4-10.

The Program Space (PS) can be accessed with a DSRPAG of 0x200 or greater. Only reads from PS are supported using the DSRPAG.

FIGURE 4-9: PROGRAM SPACE VISIBILITY (PSV) READ ADDRESS GENERATION

graph TD
    A["No EDS Access"] --> B["Select DSRPAG"]
    B --> C["DSRPAG<8:0>"]
    C --> D["Select DSRPAG"]
    D --> E["DSRPAG<9> = 1"]
    E --> F["EA<15>"]
    F --> G["EA"]
    G --> H["Select16-Bit DS EA"]
    I["Generate PSV Address"] --> J["9 Bits"]
    J --> K["15 Bits"]
    K --> L["Byte24-Bit PSV EA Select"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#cff,stroke:#333
    style F fill:#ffc,stroke:#333
    style G fill:#fcf,stroke:#333
    style H fill:#fff,stroke:#333
    style I fill:#fff,stroke:#333
    style J fill:#fff,stroke:#333
    style K fill:#fff,stroke:#333
    style L fill:#fff,stroke:#333

Note: DS read access when DSRPAG = 0x000 will force an address error trap.

FIGURE 4-10: PAGED DATA MEMORY SPACE

graph TD
    A["Local Data Space"] --> B["DS_Addr<14:0>"]
    B --> C["0x0000, 0x75FF"]
    C --> D["(DSRPAG = 0x200) No Writes Allowed"]
    D --> E["Program Memory (Isw - <15:0>)"]
    E --> F["0x00_0000"]
    F --> G["0xFFFF"]
    G --> H["(TBLPAG = 0x00) Isw Using TBLRD/TBLWTL, MSB Using TBLRD/TBLWTH"]
    H --> I["0xFFFF"]
    I --> J["(TBLPAG = 0x7F) Isw Using TBLRD/TBLWTL, MSB Using TBLRD/TBLWTH"]
    J --> K["0xFFFF"]
    K --> L["(0x00_0000)"]
    L --> M["0x7F_FFFF"]
    M --> N["(0x00_0000)"]
    N --> O["Program Memory (MSB - <23:16>)"]
    O --> P["0x7F_FFFF"]
    P --> Q["0xFFFF"]
    Q --> R["Table Address Space (TBLPAG<7:0>)"]
    R --> S["0x0000"]
    S --> T["(TBLPAG = 0x00) Isw Using TBLRD/TBLWTL, MSB Using TBLRD/TBLWTH"]
    T --> U["0xFFFF"]
    U --> V["(TBLPAG = 0x7F) Isw Using TBLRD/TBLWTL, MSB Using TBLRD/TBLWTH"]
    V --> W["0xFFFF"]
    W --> X["0xFFFF"]
    X --> Y["Program Memory (Isw - <15:0>)"]
    Y --> Z["0x00_0000"]
    Z --> AA["(0x7F_FFFF)"]
    AA --> AB["(DSRPAG = 0x3FF) No Writes Allowed"]
    AB --> AC["(DSRPAG = 0x300) No Writes Allowed"]
    AC --> AD["(DSRPAG = 0x3FF) No Writes Allowed"]
    AD --> AE["(DSRPAG = 0x3FF) No Writes Allowed"]
    AE --> AF["(DSRPAG = 0x3FF) No Writes Allowed"]
    AF --> AG["32-Kbyte PSV Window"]
    AH["DS_Addr<15:0>"] --> AI["SFR Registers"]
    AI --> AJ["Up to 8-Kbyte RAM"]
    AJ --> AK["32-Kbyte PSV Window"]

When a PSV page overflow or underflow occurs, EA<15> is cleared as a result of the register indirect EA calculation. An overflow or underflow of the EA in the PSV pages can occur at the page boundaries when:

• The initial address, prior to modification, addresses the PSV page
• The EA calculation uses Pre- or Post-Modified Register Indirect Addressing; however, this does not include Register Offset Addressing

In general, when an overflow is detected, the DSRPAG register is incremented and the EA<15> bit is set to keep the base address within the PSV window. When an underflow is detected, the DSRPAG register is decremented and the EA<15> bit is set to keep the base address within the PSV window. This creates a linear PSV address space, but only when using Register Indirect Addressing modes.

Exceptions to the operation described above arise when entering and exiting the boundaries of Page 0 and PSV spaces. Table 4-37 lists the effects of overflow and underflow scenarios at different boundaries.

In the following cases, when overflow or underflow occurs, the EA<15> bit is set and the DSRPAG is not modified; therefore, the EA will wrap to the beginning of the current page:

• Register Indirect with Register Offset Addressing
• Modulo Addressing
• Bit-Reversed Addressing

TABLE 4-37: OVERFLOW AND UNDERFLOW SCENARIOS AT PAGE 0 AND PSV SPACE BOUNDARIES ^(2,3,4)

O/U,R/W	Operation	Before After
		DSxPAG	DSEA<15>	PageDescription	DSxPAG	DSEA<15>	PageDescription
O,Read	[++Wn]or[Wn++]	DSRPAG = 0x2FF 1	PSV: Last lswpage		DSRPAG = 0x300 1	PSV: First MSBpage
O,Read		DSRPAG = 0x3FF 1	PSV: Last MSBpage		DSRPAG = 0x3FF 0	See	Note 1
U,Read	[--Wn]or[Wn--]	DSRPAG = 0x001	1	PSV page	DSRPAG = 0x001	0	See Note 1
U,Read		DSRPAG = 0x200 1	PSV: First lswpage		DSRPAG = 0x200 0	See	Note 1
U,Read		DSRPAG = 0x300 1	PSV: First MSBpage		DSRPAG = 0x2FF 1	PSV: Last lswpage

Legend: O = Overflow, U = Underflow, R = Read, W = Write
Note 1: The Register Indirect Addressing now addresses a location in the base Data Space (0x0000-0x7FFF).
2: An EDS access, with DSRPAG = 0x000, will generate an address error trap.
3: Only reads from PS are supported using DSRPAG.
4: Pseudolinear Addressing is not supported for large offsets.

4.5.2 EXTENDED X DATA SPACE

The lower portion of the base address space range, between 0x0000 and 0x7FFF, is always accessible, regardless of the contents of the Data Space Page register. It is indirectly addressable through the register indirect instructions. It can be regarded as being located in the default EDS Page 0 (i.e., EDS address range of 0x000000 to 0x007FFF with the base address bit, EA<15> = 0, for this address range). However, Page 0 cannot be accessed through the upper 32 Kbytes, 0x8000 to 0xFFFF, of base Data Space in combination with DSRPAG = 0x00. Consequently, DSRPAG is initialized to 0x001 at Reset.

Note 1: DSRPAG should not be used to access Page 0. An EDS access with DSRPAG set to 0x000 will generate an address error trap.

2: Clearing the DSRPAG in software has no effect.

The remaining PSV pages are only accessible using the DSRPAG register in combination with the upper 32 Kbytes, 0x8000 to 0xFFFF, of the base address, where base address bit, EA<15>=1.

4.5.3 SOFTWARE STACK

The W15 register serves as a dedicated Software Stack Pointer (SSP), and is automatically modified by exception processing, subroutine calls and returns; however, W15 can be referenced by any instruction in the same manner as all other W registers. This simplifies reading, writing and manipulating the Stack Pointer (for example, creating stack frames).

Note: To protect against misaligned stack accesses, W15<0> is fixed to '0' by the hardware.

W15 is initialized to 0x1000 during all Resets. This address ensures that the SSP points to valid RAM in all dsPIC33EPXXGS50X devices and permits stack availability for non-maskable trap exceptions. These can occur before the SSP is initialized by the user software. You can reprogram the SSP during initialization to any location within Data Space.

The Software Stack Pointer always points to the first available free word and fills the software stack, working from lower toward higher addresses. Figure 4-11 illustrates how it pre-decrements for a stack pop (read) and post-increments for a stack push (writes).

When the PC is pushed onto the stack, PC<15:0> are pushed onto the first available stack word, then PC<22:16> are pushed into the second available stack location. For a PC push during any CALL instruction, the MSB of the PC is zero-extended before the push, as shown in Figure 4-11. During exception processing, the MSB of the PC is concatenated with the lower 8 bits of the CPU STATUS Register, SR. This allows the contents of SRL to be preserved automatically during interrupt processing.

Note 1: To maintain system Stack Pointer (W15) coherency, W15 is never subject to (EDS) paging, and is therefore, restricted to an address range of 0x0000 to 0xFFFF. The same applies to the W14 when used as a Stack Frame Pointer (SFA = 1).

2: As the stack can be placed in, and can access X and Y spaces, care must be taken regarding its use, particularly with regard to local automatic variables in a C development environment

FIGURE 4-11: CALL STACK FRAME

0x0000 Stack Grows Toward Higher Address 015 CALL SUBR PC<15:1> b'000000000' W15 (before CALL) PC<22:16> W15 (after CALL)

4.6 Instruction Addressing Modes

The addressing modes shown in Table 4-38 form the basis of the addressing modes optimized to support the specific features of individual instructions. The addressing modes provided in the MAC class of instructions differ from those in the other instruction types.

4.6.1 FILE REGISTER INSTRUCTIONS

Most file register instructions use a 13-bit address field (f) to directly address data present in the first 8192 bytes of data memory (Near Data Space). Most file register instructions employ a Working register, W0, which is denoted as WREG in these instructions. The destination is typically either the same file register or WREG (with the exception of the MUL instruction), which writes the result to a register or register pair. The MOV instruction allows additional flexibility and can access the entire Data Space.

4.6.2 MCU INSTRUCTIONS

The three-operand MCU instructions are of the form:

Operand 3 = Operand 1 Operand 2

where Operand 1 is always a Working register (that is, the addressing mode can only be Register Direct), which is referred to as Wb. Operand 2 can be a W register fetched from data memory or a 5-bit literal. The result location can either be a W register or a data memory location. The following addressing modes are supported by MCU instructions:

• Register Direct
• Register Indirect
• Register Indirect Post-Modified
• Register Indirect Pre-Modified
• 5-Bit or 10-Bit Literal

Note: Not all instructions support all the addressing modes given above. Individual instructions can support different subsets of these addressing modes.

TABLE 4-38: FUNDAMENTAL ADDRESSING MODES SUPPORTED

Addressing Mode Description
File Register Direct The address of the file register is specified explicitly.
Register Direct The contents of a register are accessed directly.
Register Indirect The contents of Wn form the Effective Address (EA).
Register Indirect Post-Modified	The contents of Wn form the EA. Wn is post-modified (incremented or decremented) by a constant value.
Register Indirect Pre-Modified	Wn is pre-modified (incremented or decremented) by a signed constant value to form the EA.
Register Indirect with Register Offset (Register Indexed)	The sum of Wn and Wb forms the EA.
Register Indirect with Literal Offset	The sum of Wn and a literal forms the EA.

4.6.3 MOVE AND ACCUMULATOR INSTRUCTIONS

Move instructions, and the DSP accumulator class of instructions, provide a greater degree of addressing flexibility than other instructions. In addition to the addressing modes supported by most MCU instructions, move and accumulator instructions also support Register Indirect with Register Offset Addressing mode, also referred to as Register Indexed mode.

Note:

For the MOV instructions, the addressing mode specified in the instruction can differ for the source and destination EA. However, the 4-bit Wb (Register Offset) field is shared by both source and destination (but typically only used by one).

In summary, the following addressing modes are supported by move and accumulator instructions:

• Register Direct
• Register Indirect
• Register Indirect Post-modified
• Register Indirect Pre-modified
• Register Indirect with Register Offset (Indexed)
• Register Indirect with Literal Offset
• 8-Bit Literal
• 16-Bit Literal

Note:

Not all instructions support all the addressing modes given above. Individual instructions may support different subsets of these addressing modes.

4.6.4 MAC INSTRUCTIONS

The dual source operand DSP instructions (CLR, ED, EDAC, MAC, MPY, MPY.N, MOVSAC and MSC), also referred to as MAC instructions, use a simplified set of addressing modes to allow the user application to effectively manipulate the Data Pointers through register indirect tables.

The two-source operand prefetch registers must be members of the set {W8, W9, W10, W11}. For data reads, W8 and W9 are always directed to the X RAGU, and W10 and W11 are always directed to the Y AGU. The Effective Addresses generated (before and after modification) must therefore, be valid addresses within X Data Space for W8 and W9, and Y Data Space for W10 and W11.

Note:

Register Indirect with Register Offset Addressing mode is available only for W9 (in X space) and W11 (in Y space).

In summary, the following addressing modes are supported by the MAC class of instructions:

• Register Indirect
• Register Indirect Post-Modified by 2
• Register Indirect Post-Modified by 4
• Register Indirect Post-Modified by 6
• Register Indirect with Register Offset (Indexed)

4.6.5 OTHER INSTRUCTIONS

Besides the addressing modes outlined previously, some instructions use literal constants of various sizes. For example, BRA (branch) instructions use 16-bit signed literals to specify the branch destination directly, whereas the DISI instruction uses a 14-bit unsigned literal field. In some instructions, such as ULNK, the source of an operand or result is implied by the opcode itself. Certain operations, such as a NOP, do not have any operands.

4.7 Modulo Addressing

Modulo Addressing mode is a method of providing an automated means to support circular data buffers using hardware. The objective is to remove the need for software to perform data address boundary checks when executing tightly looped code, as is typical in many DSP algorithms.

Modulo Addressing can operate in either Data or Program Space (since the Data Pointer mechanism is essentially the same for both). One circular buffer can be supported in each of the X (which also provides the pointers into Program Space) and Y Data Spaces. Modulo Addressing can operate on any W Register Pointer. However, it is not advisable to use W14 or W15 for Modulo Addressing since these two registers are used as the Stack Frame Pointer and Stack Pointer, respectively.

In general, any particular circular buffer can be configured to operate in only one direction, as there are certain restrictions on the buffer start address (for incrementing buffers) or end address (for decrementing buffers), based upon the direction of the buffer.

The only exception to the usage restrictions is for buffers that have a power-of-two length. As these buffers satisfy the start and end address criteria, they can operate in a Bidirectional mode (that is, address boundary checks are performed on both the lower and upper address boundaries).

4.7.1 START AND END ADDRESS

The Modulo Addressing scheme requires that a starting and ending address be specified and loaded into the 16-bit Modulo Buffer Address registers: XMODSRT, XMODEND, YMODSRT and YMODEND (see Table4-2).

Note: Y space Modulo Addressing EA calculations assume word-sized data (LSb of every EA is always clear).

The length of a circular buffer is not directly specified. It is determined by the difference between the corresponding start and end addresses. The maximum possible length of the circular buffer is 32K words (64 Kbytes).

4.7.2 W ADDRESS REGISTER SELECTION

The Modulo and Bit-Reversed Addressing Control register, MODCON<15:0>, contains enable flags, as well as a W register field to specify the W Address registers. The XWM and YWM fields select the registers that operate with Modulo Addressing:

• If XWM = 1111, X RAGU and X WAGU Modulo Addressing is disabled
• I f Y W M = 1111, Y AGU Modulo Addressing is disabled

The X Address Space Pointer W (XWM) register, to which Modulo Addressing is to be applied, is stored in MODCON<3:0> (see Table 4-2). Modulo Addressing is enabled for X Data Space when XWM is set to any value other than '1111' and the XMODEN bit is set (MODCON<15>).

The Y Address Space Pointer W (YWM) register, to which Modulo Addressing is to be applied, is stored in MODCON<7:4>. Modulo Addressing is enabled for Y Data Space when YWM is set to any value other than '1111' and the YMODEN bit (MODCON<14>) is set.

FIGURE 4-12: MODULO ADDRESSING OPERATION EXAMPLE

Byte Address 0x1100 0x1163 Start Addr = 0x1100 End Addr = 0x1163 Length = 0x0032 words MOV #0x1100, W0 MOV W0, XMODSRT ;set modulo start address MOV #0x1163, W0 MOV W0, MODEND ;set modulo end address MOV #0x8001, W0 MOV W0, MODCON ;enable W1, X AGU for modulo MOV #0x0000, W0 ;W0 holds buffer fill value MOV #0x1110, W1 ;point W1 to buffer DO AGAIN, #0x31 ;fill the 50 buffer locations MOV W0, [Wl++] ;fill the next location AGAIN: INC W0, W0 ;increment the fill value

4.7.3 MODULO ADDRESSING APPLICABILITY

Modulo Addressing can be applied to the Effective Address (EA) calculation associated with any W register. Address boundaries check for addresses equal to:

• The upper boundary addresses for incrementing buffers
• The lower boundary addresses for decrementing buffers

It is important to realize that the address boundaries check for addresses less than or greater than the upper (for incrementing buffers) and lower (for decrementing buffers) boundary addresses (not just equal to). Address changes can, therefore, jump beyond boundaries and still be adjusted correctly.

Note:

The modulo corrected Effective Address is written back to the register only when Pre-Modify or Post-Modify Addressing mode is used to compute the Effective Address. When an address offset (such as [W7 + W2]) is used, Modulo Addressing correction is performed, but the contents of the register remain unchanged.

4.8 Bit-Reversed Addressing

Bit-Reversed Addressing mode is intended to simplify data reordering for radix-2 FFT algorithms. It is supported by the X AGU for data writes only.

The modifier, which can be a constant value or register contents, is regarded as having its bit order reversed. The address source and destination are kept in normal order. Thus, the only operand requiring reversal is the modifier.

4.8.1 BIT-REVERSED ADDRESSING IMPLEMENTATION

Bit-Reversed Addressing mode is enabled when all of these situations are met:

- BWMx bits (W register selection) in the MODCON register are any value other than '1111' (the stack cannot be accessed using Bit-Reversed Addressing)

• The BREN bit is set in the XBREV register

- The addressing mode used is Register Indirect with Pre-Increment or Post-Increment

If the length of a bit-reversed buffer is M = 2^N bytes, the last 'N' bits of the data buffer start address must be zeros.

XB<14:0> is the Bit-Reversed Addressing modifier, or 'pivot point', which is typically a constant. In the case of an FFT computation, its value is equal to half of the FFT data buffer size.

Note:

All bit-reversed EA calculations assume word-sized data (LSb of every EA is always clear). The XB value is scaled accordingly to generate compatible (byte) addresses.

When enabled, Bit-Reversed Addressing is executed only for Register Indirect with Pre-Increment or Post-Increment Addressing and word-sized data writes. It does not function for any other addressing mode or for byte-sized data and normal addresses are generated instead. When Bit-Reversed Addressing is active, the W Address Pointer is always added to the address modifier (XB) and the offset associated with the Register Indirect Addressing mode is ignored. In addition, as word-sized data is a requirement, the LSb of the EA is ignored (and always clear).

Note:

Modulo Addressing and Bit-Reversed Addressing can be enabled simultaneously using the same W register, but Bit-Reversed Addressing operation will always take precedence for data writes when enabled.

If Bit-Reversed Addressing has already been enabled by setting the BREN (XBREV<15>) bit, a write to the XBREV register should not be immediately followed by an indirect read operation using the W register that has been designated as the Bit-Reversed Pointer.

FIGURE 4-13: BIT-REVERSED ADDRESSING EXAMPLE

graph TD
    A["Sequential Address"] --> B["b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 0"]
    A --> C["b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b1 b2 b3 b4 0"]
    A --> D["Pivot Point"]
    A --> E["Bit Locations Swapped Left-to-Right Around Center of Binary Value"]
    E --> F["b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b1 b2 b3 b4 0"]
    E --> G["XB = 0x0008 for a 16-Word Bit-Reversed Buffer"]

TABLE 4-39: BIT-REVERSED ADDRESSING SEQUENCE (16-ENTRY)

Normal Address Bit-Reversed Address
A3 A2	A1 A0	Decimal	A3 A2 A1	A0 Decimal
0	0	0	0	0 0	0	0	0		0
0	0	0	1	1 1	0	0	0		8
0	0	1	0	2 0	1	0	0		4
0	0	1	1	3 1	1	0	0		12
0	1	0	0	4 0	0	1	0		2
0	1	0	1	5 1	0	1	0		10
0	1	1	0	6 0	1	1	0		6
0	1	1	1	7 1	1	1	0		14
1	0	0	0	8 0	0	0	1		1
1	0	0	1	9 1	0	0	1		9
1	0	1	0	10 0	1	0	1		5
1	0	1	1	11	1	1	0	1	13
1	1	0	0	12 0	0	1	1		3
1	1	0	1	13	1	0	1	1	11
1	1	1	0	14 0	1	1	1		7
1	1	1	1	15 1	1	1	1		15

4.9 Interfacing Program and Data Memory Spaces

The dsPIC33EPXXGS50X family architecture uses a 24-bit wide Program Space (PS) and a 16-bit wide Data Space (DS). The architecture is also a modified Harvard scheme, meaning that data can also be present in the Program Space. To use this data successfully, it must be accessed in a way that preserves the alignment of information in both spaces.

Aside from normal execution, the architecture of the dsPIC33EPXXGS50X family devices provides two methods by which Program Space can be accessed during operation:

• Using table instructions to access individual bytes or words anywhere in the Program Space
• Remapping a portion of the Program Space into the Data Space (Program Space Visibility)

Table instructions allow an application to read or write to small areas of the program memory. This capability makes the method ideal for accessing data tables that need to be updated periodically. It also allows access to all bytes of the program word. The remapping method allows an application to access a large block of data on a read-only basis, which is ideal for look-ups from a large table of static data. The application can only access the least significant word of the program word.

TABLE 4-40: PROGRAM SPACE ADDRESS CONSTRUCTION

Access Type	Access Space	Program Space Address
		<23> <22:16> <15> <14:1> <0>
Instruction Access (Code Execution)	User 0 PC<22:1> 0
		0xxx xxxx xxxx xxxx xxxx xxxx
TBLRD/TBLWT (Byte/Word Read/Write)	User	TBLPAG<7:0>		Data EA<15:0>
		0xxx xxxx		xxxx xxxx xxxx
	Configuration	TBLPAG<7:0>		Data EA<15:0>
		1xxx xxxx		xxxx xxxx xxxx

FIGURE 4-14: DATA ACCESS FROM PROGRAM SPACE ADDRESS GENERATION

graph TD
    A["Program Counter(1)"] --> B["0"]
    B --> C["Program Counter"]
    C --> D["0"]
    D --> E["23 Bits"]
    E --> F["EA"]
    F --> G["1/0"]
    G --> H["Table Operations(2)"]
    H --> I["1/0"]
    I --> J["TBLPAG"]
    J --> K["8 Bits"]
    K --> L["16 Bits"]
    L --> M["24 Bits"]
    M --> N["User/Configuration Space Select"]
    M --> O["Byte Select"]

Note 1: The Least Significant bit (LSb) of Program Space addresses is always fixed as '0' to maintain word alignment of data in the Program and Data Spaces.

2: Table operations are not required to be word-aligned. Table Read operations are permitted in the configuration memory space.

4.9.1 DATA ACCESS FROM PROGRAM MEMORY USING TABLE INSTRUCTIONS

The TBLRDL and TBLWTL instructions offer a direct method of reading or writing the lower word of any address within the Program Space without going through Data Space. The TBLRDH and TBLWTH instructions are the only method to read or write the upper 8 bits of a Program Space word as data.

The PC is incremented by two for each successive 24-bit program word. This allows program memory addresses to directly map to Data Space addresses. Program memory can thus be regarded as two 16-bit wide word address spaces, residing side by side, each with the same address range. TBLRDL and TBLWTL access the space that contains the least significant data word. TBLRDH and TBLWTH access the space that contains the upper data byte.

Two table instructions are provided to move byte or word-sized (16-bit) data to and from Program Space. Both function as either byte or word operations.

• TBLRDL (Table Read Low):

• In Word mode, this instruction maps the lower word of the Program Space location (P<15:0>) to a data address (D<15:0>)
• In Byte mode, either the upper or lower byte of the lower program word is mapped to the lower byte of a data address. The upper byte is selected when Byte Select is '1'; the lower byte is selected when it is '0'.

• TBLRDH (Table Read High):

• In Word mode, this instruction maps the entire upper word of a program address (P<23:16>) to a data address. The 'phantom' byte (D<15:8>) is always '0'.
• In Byte mode, this instruction maps the upper or lower byte of the program word to D<7:0> of the data address in the TBLRDL instruction. The data is always '0' when the upper 'phantom' byte is selected (Byte Select = 1).

In a similar fashion, two table instructions, TBLWTH and TBLWTL, are used to write individual bytes or words to a Program Space address. The details of their operation are explained in Section 5.0 "Flash Program Memory".

For all table operations, the area of program memory space to be accessed is determined by the Table Page register (TBLPAG). TBLPAG covers the entire program memory space of the device, including user application and configuration spaces. When TBLPAG<7> = 0, the table page is located in the user memory space. When TBLPAG<7> = 1, the page is located in configuration space.

FIGURE 4-15: ACCESSING PROGRAM MEMORY WITH TABLE INSTRUCTIONS

graph TD
    A["TBLPAG 02"] --> B["Program Space"]
    B --> C["0x000000"]
    B --> D["0x020000"]
    B --> E["0x030000"]
    C --> F["0x800000"]
    D --> G["0x800000"]
    E --> H["0x800000"]
    F --> I["0x800000 (Wn<0>=0)"]
    F --> J["0x800000 (Wn<0>=1)"]
    F --> K["0x800000 (Wn<0>=0)"]
    F --> L["0x800000 (Wn<0>=1)"]
    G --> M["'Phantom' Byte"]
    M --> N["0x800000 (Wn<0>=0)"]
    M --> O["0x800000 (Wn<0>=1)"]
    M --> P["0x800000 (Wn<0>=0)"]
    M --> Q["0x800000 (Wn<0>=1)"]
    M --> R["0x800000 (Wn<0>=1)"]
    M --> S["0x800000 (Wn<0>=1)"]
    M --> T["0x800000 (Wn<0>=1)"]
    M --> U["0x800000 (Wn<0>=1)"]
    M --> V["0x800000 (Wn<0>=1)"]
    M --> W["0x800000 (Wn<0>=1)"]
    M --> X["0x800000 (Wn<0>=1)"]
    M --> Y["0x800000 (Wn<0>=1)"]
    M --> Z["0x800000 (Wn<0>=1)"]
    M --> AA["0x800000 (Wn<0>=1)"]
    M --> AB["0x800000 (Wn<0>=1)"]
    M --> AC["0x800000 (Wn<0>=1)"]
    M --> AD["0x800000 (Wn<0>=1)"]
    M --> AE["0x800000 (Wn<O<=1)"]
    M --> AF["The address for the table operation is determined by the data EA within the page defined by the TBLPAG register. Only read operations are shown; write operations are also valid in the user memory area."]

5.0 FLASH PROGRAM MEMORY

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Flash Programming" (DS70005156) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com)

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family devices contain internal Flash program memory for storing and executing application code. The memory is readable, writable and erasable during normal operation over the entire VDD range.

Flash memory can be programmed in three ways:

• In-Circuit Serial Programming™ (ICSP™) programming capability
• Enhanced In-Circuit Serial Programming (Enhanced ICSP)
• Run-Time Self-Programming (RTSP)

ICSP allows for a dsPIC33EPXXGS50X family device to be serially programmed while in the end application circuit. This is done with a programming clock and programming data (PGECx/PGEDx) line, and three other lines for power (VDD), ground (Vss) and Master Clear (MCLR). This allows customers to manufacture boards with unprogrammed devices and then program the

device just before shipping the product. This also allows the most recent firmware or a custom firmware to be programmed.

Enhanced In-Circuit Serial Programming uses an on-board bootloader, known as the Program Executive, to manage the programming process. Using an SPI data frame format, the Program Executive can erase, program and verify program memory. For more information on Enhanced ICSP, see the device programming specification.

RTSP is accomplished using TBLRD (Table Read) and TBLWT (Table Write) instructions. With RTSP, the user application can write program memory data with a single program memory word and erase program memory in blocks or 'pages' of 512 instructions (1536 bytes) at a time.

5.1 Table Instructions and Flash Programming

Regardless of the method used, all programming of Flash memory is done with the Table Read and Table Write instructions. These allow direct read and write access to the program memory space from the data memory while the device is in normal operating mode. The 24-bit target address in the program memory is formed using bits<7:0> of the TBLPAG register and the Effective Address (EA) from a W register, specified in the table instruction, as shown in Figure 5-1. The TBLRDL and the TBLWTL instructions are used to read or write to bits<15:0> of program memory. TBLRDL and TBLWTL can access program memory in both Word and Byte modes. The TBLRDH and TBLWTH instructions are used to read or write to bits<23:16> of program memory. TBLRDH and TBLWTH can also access program memory in Word or Byte mode.

FIGURE 5-1: ADDRESSING FOR TABLE REGISTERS

graph TD
    A["Using Program Counter"] --> B["Program Counter"]
    B --> C["Working Reg EA"]
    D["Using Table Instruction"] --> E["TBLPAG Reg"]
    E --> F["8 Bits"]
    F --> G["16 Bits"]
    G --> H["User/Configuration Space Select"]
    H --> I["24-Bit EA"]
    I --> J["Byte Select"]
    style A fill:#f9f,stroke:#333
    style D fill:#f9f,stroke:#333
    style H fill:#ccf,stroke:#333
    style I fill:#ccf,stroke:#333

5.2 RTSP Operation

The dsPIC33EPXXGS50X family Flash program memory array is organized into rows of 64 instructions or 192 bytes. RTSP allows the user application to erase a single page (8 rows or 512 instructions) of memory at a time and to program one row at a time. It is possible to program two instructions at a time as well.

The page erase and single row write blocks are edge-aligned, from the beginning of program memory, on boundaries of 1536 bytes and 192 bytes, respectively. Figure 26-14 in Section 26.0 “Electrical Characteristics” lists the typical erase and programming times.

Row programming is performed by loading 192 bytes into data memory and then loading the address of the first byte in that row into the NVMSRCADR register. Once the write has been initiated, the device will automatically load the write latches and increment the NVMSRCADR and the NVMADR(U) registers until all bytes have been programmed. The RPDF bit (NVMCON<9>) selects the format of the stored data in RAM to be either compressed or uncompressed. See Figure 5-2 for data formatting. Compressed data helps to reduce the amount of required RAM by using the upper byte of the second word for the MSB of the second instruction.

The basic sequence for RTSP word programming is to use the TBLWTL and TBLWTH instructions to load two of the 24-bit instructions into the write latches found in configuration memory space. Refer to Figure 4-1 through Figure 4-4 for write latch addresses. Programming is performed by unlocking and setting the control bits in the NVMCON register.

All erase and program operations may optionally use the NVM interrupt to signal the successful completion of the operation. For example, when performing Flash write operations on the Inactive Partition in Dual Partition mode, where the CPU remains running, it is necessary to wait for the NVM interrupt before programming the next block of Flash program memory.

FIGURE 5-2: UNCOMPRESSED/ COMPRESSED FORMAT

15 7 0 LSW1 Even Byte Address MSB10x00 LSW2 MSB20x00 INCOMPRESSED FORMAT (RPDF = 0) 15 7 0 LSW1 Even Byte Address MSB1MSB2 LSW2 INCOMPRESSED FORMAT (RPDF = 1)

5.3 Programming Operations

A complete programming sequence is necessary for programming or erasing the internal Flash in RTSP mode. The processor stalls (waits) until the programming operation is finished. Setting the WR bit (NVMCON<15>) starts the operation and the WR bit is automatically cleared when the operation is finished.

5.3.1 PROGRAMMING ALGORITHM FOR FLASH PROGRAM MEMORY

Programmers can program two adjacent words (24 bits x 2) of program Flash memory at a time on every other word address boundary (0x000000, 0x000004, 0x000008, etc.). To do this, it is necessary to erase the page that contains the desired address of the location the user wants to change. For protection against accidental operations, the write initiate sequence for NVMKEY must be used to allow any erase or program operation to proceed. After the programming command has been executed, the user application must wait for the programming time until programming is complete. The two instructions following the start of the programming sequence should be NOPs.

5.4 Dual Partition Flash Configuration

For dsPIC33EP64GS50X devices operating in Dual Partition Flash Program Memory modes, the Inactive Partition can be erased and programmed without stalling the processor. The same programming algorithms are used for programming and erasing the Flash in the Inactive Partition, as described in Section 5.2 "RTSP Operation". On top of the page erase option, the entire Flash memory of the Inactive Partition can be erased by configuring the NVMOP<3:0> bits in the NVMCON register.

Note 1: The application software to be loaded into the Inactive Partition will have the address of the Active Partition. The bootloader firmware will need to offset the address by 0x400000 in order to write to the Inactive Partition.

5.4.1 FLASH PARTITION SWAPPING

The Boot Sequence Number is used for determining the Active Partition at start-up and is encoded within the FBTSEQ Configuration register bits. Unlike most Configuration registers, which only utilize the lower 16 bits of the program memory, FBTSEQ is a 24-bit Configuration Word. The Boot Sequence Number (BSEQ) is a 12-bit value and is stored in FBTSEQ twice. The true value is stored in bits, FBTSEQ<11:0>, and its complement is stored in bits, FBTSEQ<23:12>. At device Reset, the sequence numbers are read and the partition with the lowest sequence number becomes the Active Partition. If one of the Boot Sequence Numbers is invalid, the device will select the partition with the valid Boot Sequence Number, or default to Partition 1 if both sequence numbers are invalid. See Section 23.0 "Special Features" for more information.

The BOOTSWP instruction provides an alternative means of swapping the Active and Inactive Partitions (soft swap) without the need for a device Reset. The BOOTSWP must always be followed by a GOTO instruction. The BOOTSWP instruction swaps the Active and Inactive Partitions, and the PC vectors to the location specified by the GOTO instruction in the newly Active Partition.

It is important to note that interrupts should temporarily be disabled while performing the soft swap sequence and that after the partition swap, all peripherals and interrupts which were enabled remain enabled. Additionally, the RAM and stack will maintain state after the switch. As a result, it is recommended that applications using soft swaps jump to a routine that will reinitialize the device in order to ensure the firmware runs as expected. The Configuration registers will have no effect during a soft swap.

For robustness of operation, in order to execute the BOOTSWP instruction, it is necessary to execute the NVM unlocking sequence as follows:

1. Write 0x55 to NVMKEY.
2. Write 0xAA to NVMKEY.
3. Execute the BOOTSWP instruction.

If the unlocking sequence is not performed, the BOOTSWP instruction will be executed as a forced NOP and a GOTO instruction, following the BOOTSWP instruction, will be executed, causing the PC to jump to that location in the current operating partition.

The SFTSWP and P2ACTIV bits in the NVMCON register are used to determine a successful swap of the Active and Inactive Partitions, as well as which partition is active. After the BOOTSWP and GOTO instructions, the SFTSWP bit should be polled to verify the partition swap has occurred and then cleared for the next panel swap event.

5.4.2 DUAL PARTITION MODES

While operating in Dual Partition mode, dsPIC33EP64GS50X family devices have the option for both partitions to have their own defined security segments, as shown in Figure 23-4. Alternatively, the device can operate in Protected Dual Partition mode, where Partition 1 becomes permanently erase/write-protected. Protected Dual Partition mode allows for a "Factory Default" mode, which provides a fail-safe backup image to be stored in Partition 1.

dsPIC33EP64GS50X family devices can also operate in Privileged Dual Partition mode, where additional security protections are implemented to allow for protection of intellectual property when multiple parties have software within the device. In Privileged Dual Partition mode, both partitions place additional restrictions on the BSLIM register. These prevent changes to the size of the Boot Segment and General Segment, ensuring that neither segment will be altered.

5.5 Flash Memory Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

5.5.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

5.6 Control Registers

Five SFRs are used to write and erase the program Flash memory: NVMCON, NVMKEY, NVMADR, NVMADRU and NVMSRCADR/H.

The NVMCON register (Register 5-1) selects the operation to be performed (page erase, word/row program, Inactive Partition erase), initiates the program or erase cycle and is used to determine the Active Partition in Dual Partition modes.

NVMKEY (Register 5-4) is a write-only register that is used for write protection. To start a programming or erase sequence, the user application must consecutively write 0x55 and 0xAA to the NVMKEY register.

There are two NVM Address registers: NVMADRU and NVMADR. These two registers, when concatenated, form the 24-bit Effective Address (EA) of the selected word/row for programming operations, or the selected page for erase operations. The NVMADRU register is used to hold the upper 8 bits of the EA, while the NVMADR register is used to hold the lower 16 bits of the EA.

For row programming operation, data to be written to program Flash memory is written into data memory space (RAM) at an address defined by the NVMSRCADR register (location of first element in row programming data).

REGISTER 5-1: NVMCON: NONVOLATILE MEMORY (NVM) CONTROL REGISTER

R/SO-0(1)	R/W-0(1)	R/W-0(1)	R/W-0 R/C-0 R-0 R/W-0 R/C-0
WR WRE	N WRERR NV	MSIDL	(2)	SFTSWP(6)	P2ACTIV(6)	RPDF URERR
bit 15 bit 8

U-0 U-0 U-0 U-0		R/W-0		(1)	R/W-0(1)	R/W-0(1)	R/W-0(1)
—	—	—	—	NVMOP3(3,4)	NVMOP2(3,4)	NVMOP1(3,4)	NVMOP0(3,4)
bit 7 bit 0

Legend:	C = Clearable bit	SO = Settable Only bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared x = Bit is unknown

bit 15 WR: Write Control bit ^(1) 1 = Initiates a Flash memory program or erase operation; the operation is self-timed and the bit is cleared by hardware once the operation is complete

0 = Program or erase operation is complete and inactive

bit 14 WREN: Write Enable bit ^(1) 1 = Enables Flash program/erase operations

0 = Inhibits Flash program/erase operations

bit 13 WRERR: Write Sequence Error Flag bit ^(1) 1 = An improper program or erase sequence attempt, or termination has occurred (bit is set automatically on any set attempt of the WR bit)

0 = The program or erase operation completed normally

bit 12 NVMSIDL: NVM Stop in Idle Control bit ^(2) 1 = Flash voltage regulator goes into Standby mode during Idle mode

0 = Flash voltage regulator is active during Idle mode

bit 11 SFTSWP: Partition Soft Swap Status bit ^(6) 1 = Partitions have been successfully swapped using the BOOTSWP instruction (soft swap)

0 = Awaiting successful partition swap using the BOOTSWP instruction or a device Reset will determine the Active Partition based on FBTSEQ

bit 10 P2ACTIV: Partition 2 Active Status bit ^(6) 1 = Partition 2 Flash is mapped into the active region 0 = Partition 1 Flash is mapped into the active region bit 9 RPDF: Row Programming Data Format bit 1 = Row data to be stored in RAM in compressed format 0 = Row data to be stored in RAM in uncompressed format

Note 1: These bits can only be reset on a POR.

2: If this bit is set, power consumption will be further reduced (IIDLE) and upon exiting Idle mode, there is a delay (TvREG) before Flash memory becomes operational.

3: All other combinations of NVMOP<3:0> are unimplemented.

4: Execution of the PWRSAV instruction is ignored while any of the NVM operations are in progress.

5: Two adjacent words on a 4-word boundary are programmed during execution of this operation.

6: Only available on dsPIC33EP64GS50X devices operating in Dual Partition mode. For all other devices, this bit is reserved.

7: The specific Boot mode depends on bits<1:0> of the programmed data:

11 = Single Partition Flash mode

10 = Dual Partition Flash mode

01 = Protected Dual Partition Flash mode

00 = Reserved

REGISTER 5-1: NVMCON: NONVOLATILE MEMORY (NVM) CONTROL REGISTER (CONTINUED)

bit 8 URERR: Row Programming Data Underrun Error bit

1 = Indicates row programming operation has been terminated

0 = No data underrun error is detected

bit 7-4 Unimplemented: Read as '0'

bit 3-0 NVMOP<3:0>: NVM Operation Select bits ^(1,3,4)

1111 = Reserved

1110 = User memory Bulk Erase operation

1010 = Reserved

1001 = Reserved

1000 = Boot memory Double-Word Program operation in a Dual Partition Flash mode ^7

0101 = Reserved

0100 = Inactive Partition Memory Erase operation

0011 = Memory Page Erase operation

0010 = Memory Row Program operation

0001 = Memory Double-Word Program operation ^(5)

0000 = Reserved

Note 1: These bits can only be reset on a POR.

2: If this bit is set, power consumption will be further reduced (IDLE) and upon exiting Idle mode, there is a delay (TvREG) before Flash memory becomes operational.
3: All other combinations of NVMOP<3:0> are unimplemented.
4: Execution of the PWRSAV instruction is ignored while any of the NVM operations are in progress.
5: Two adjacent words on a 4-word boundary are programmed during execution of this operation.
6: Only available on dsPIC33EP64GS50X devices operating in Dual Partition mode. For all other devices, this bit is reserved.
7: The specific Boot mode depends on bits<1:0> of the programmed data:

11 = Single Partition Flash mode

10 = Dual Partition Flash mode

01 = Protected Dual Partition Flash mode

00 = Reserved

REGISTER 5-2: NVMADR: NONVOLATILE MEMORY LOWER ADDRESS REGISTER

R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x

NVMADR<15:8>

bit 15 bit 8

R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x

NVMADR<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-0

NVMADR<15:0>: Nonvolatile Memory Lower Write Address bits

Selects the lower 16 bits of the location to program or erase in program Flash memory. This register may be read or written to by the user application.

REGISTER 5-3: NVMADRU: NONVOLATILE MEMORY UPPER ADDRESS REGISTER

R/W-x	R/W-x	R/W-x	R/W-x	R/W-x	R/W-x	R/W-x	R/W-x
			NVMADRU<23:16>
bit 7							bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8

Unimplemented: Read as '0'

bit 7-0

NVMADRU<23:16>: Nonvolatile Memory Upper Write Address bits

Selects the upper 8 bits of the location to program or erase in program Flash memory. This register may be read or written to by the user application.

REGISTER 5-4: NVMKEY: NONVOLATILE MEMORY KEY REGISTER

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	———
bit 15							bit 8

W-0	W-0	W-0	W-0	W-0	W-0	W-0	W-0
			NVMKEY<7:0>
bit 7							bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 NVMKEY<7:0>: NVM Key Register bits (write-only)

REGISTER 5-5: NVMSRCADR: NVM SOURCE DATA ADDRESS REGISTER

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
			NVMSRCADR<15:8>
bit 15							bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
			NVMSRCADR<7:0>
bit 7							bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-0 NVMSRCADR<15:0>: NVM Source Data Address bits

The RAM address of the data to be programmed into Flash when the NVMOP<3:0> bits are set to row programming.

6.0 RESETS

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Reset" (DS70602) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com)

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The Reset module combines all Reset sources and controls the device Master Reset Signal, SYSRST. The following is a list of device Reset sources:

• POR: Power-on Reset
  • BOR: Brown-out Reset
  • M C LMBster Clear Pin Reset
• S W R : RESET Instruction

• WDTO: Watchdog Timer Time-out Reset
  • CM: Configuration Mismatch Reset
  • TRAPR: Trap Conflict Reset
  • IOPUWR: Illegal Condition Device Reset

• Illegal Opcode Reset

• Uninitialized W Register Reset
• Security Reset

A simplified block diagram of the Reset module is shown in Figure 6-1.

Any active source of Reset will make the SYSRST signal active. On system Reset, some of the registers associated with the CPU and peripherals are forced to a known Reset state, and some are unaffected.

Note: Refer to the specific peripheral section or Section 4.0 "Memory Organization" of this manual for register Reset states.

All types of device Reset set a corresponding status bit in the RCON register to indicate the type of Reset (see Register 6-1).

A POR clears all the bits, except for the BOR and POR bits (RCON<1:0>) that are set. The user application can set or clear any bit, at any time, during code execution. The RCON bits only serve as status bits. Setting a particular Reset status bit in software does not cause a device Reset to occur.

The RCON register also has other bits associated with the Watchdog Timer and device power-saving states. The function of these bits is discussed in other sections of this manual.

Note: The status bits in the RCON register should be cleared after they are read so that the next RCON register value after a device Reset is meaningful.

For all Resets, the default clock source is determined by the FNOSC<2:0> bits in the FOSCSEL Configuration register. The value of the FNOSCx bits is loaded into the NOSC<2:0> (OSCCON<10:8>) bits on Reset, which in turn, initializes the system clock.

FIGURE 6-1: RESET SYSTEM BLOCK DIAGRAM

graph TD
    A["MCLR"] --> B["Reset Instruction"]
    B --> C["Glitch Filter"]
    C --> D["AND Gate"]
    D --> E["Internal Regulator"]
    E --> F["VDD Rise Detect"]
    F --> G["POR"]
    G --> H["AND Gate"]
    H --> I["SYSRST"]
    J["WDT Module\nSleep or Idle"] --> D
    K["Trap Conflict"] --> H
    L["Illegal Opcode"] --> H
    M["Uninitialized W Register"] --> H
    N["Security Reset"] --> H
    O["Configuration Mismatch"] --> H

6.1 Reset Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

6.1.1 KEY RESOURCES

• "Reset" (DS70602) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

REGISTER 6-1: RCON: RESET CONTROL REGISTER (1)

R/W-0 R/W-0 U-0 U-0 R/W-0 U-0 R/W-0 R/W-0
TRAPR IOP	UWR	—	—	VREGSF	—	CM	VREGS
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-1	R/W-1
EXTR SWR	SWDTEN	(2)	WDTO SLEEP	IDLE BOR	POR
bit 7							bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 TRAPR: Trap Reset Flag bit

1 = A Trap Conflict Reset has occurred

0 = A Trap Conflict Reset has not occurred

bit 14 IOPUWR: Illegal Opcode or Uninitialized W Register Access Reset Flag bit

1 = An illegal opcode detection, an illegal address mode or Uninitialized W register used as an Address Pointer caused a Reset

0 = An illegal opcode or Uninitialized W register Reset has not occurred

bit 13-12 Unimplemented: Read as '0'

bit 11 VREGSF: Flash Voltage Regulator Standby During Sleep bit

1 = Flash voltage regulator is active during Sleep

0 = Flash voltage regulator goes into Standby mode during Sleep

bit 10 Unimplemented: Read as '0'

bit 9 CM: Configuration Mismatch Flag bit

1 = A Configuration Mismatch Reset has occurred.

0 = A Configuration Mismatch Reset has not occurred

bit 8 VREGS: Voltage Regulator Standby During Sleep bit

1 = Voltage regulator is active during Sleep

0 = Voltage regulator goes into Standby mode during Sleep

bit 7 EXTR: External Reset (MCLR) Pin bit

1 = A Master Clear (pin) Reset has occurred

0 = A Master Clear (pin) Reset has not occurred

bit 6 SWR: Software RESET (Instruction) Flag bit

1 = A RESET instruction has been executed

0 = A RESET instruction has not been executed

bit 5 SWDTEN: Software Enable/Disable of WDT bit ^(2)

1 = WDT is enabled

0 = WDT is disabled

bit 4 WDTO: Watchdog Timer Time-out Flag bit

1 = WDT time-out has occurred

0 = WDT time-out has not occurred

Note 1: All of the Reset status bits can be set or cleared in software. Setting one of these bits in software does not cause a device Reset.

2: If the WDTEN<1:0> Configuration bits are '11' (unprogrammed), the WDT is always enabled, regardless of the SWDTEN bit setting.

REGISTER 6-1: RCON: RESET CONTROL REGISTER (1) (CONTINUED)

bit 3	SLEEP: Wake-up from Sleep Flag bit1 = Device has been in Sleep mode0 = Device has not been in Sleep mode
bit 2	IDLE: Wake-up from Idle Flag bit1 = Device has been in Idle mode0 = Device has not been in Idle mode
bit 1	BOR: Brown-out Reset Flag bit1 = A Brown-out Reset has occurred0 = A Brown-out Reset has not occurred
bit 0	POR: Power-on Reset Flag bit1 = A Power-on Reset has occurred0 = A Power-on Reset has not occurred

Note 1: All of the Reset status bits can be set or cleared in software. Setting one of these bits in software does not cause a device Reset.
2: If the WDTEN<1:0> Configuration bits are '11' (unprogrammed), the WDT is always enabled, regardless of the SWDTEN bit setting.

7.0 INTERRUPT CONTROLLER

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Interrupts" (DS70000600) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family interrupt controller reduces the numerous peripheral interrupt request signals to a single interrupt request signal to the dsPIC33EPXXGS50X family CPU.

The interrupt controller has the following features:

• Six processor exceptions and software traps
• Seven user-selectable priority levels
• Interrupt Vector Table (IVT) with a unique vector for each interrupt or exception source
• Fixed priority within a specified user priority level
  • Fixed interrupt entry and return latencies
• Alternate Interrupt Vector Table (AIVT) for debug support

7.1 Interrupt Vector Table

The dsPIC33EPXXGS50X family Interrupt Vector Table (IVT), shown in Figure 7-1, resides in program memory, starting at location, 000004h. The IVT contains six non-maskable trap vectors and up to 246 sources of interrupts. In general, each interrupt source has its own vector. Each interrupt vector contains a 24-bit wide address. The value programmed into each interrupt vector location is the starting address of the associated Interrupt Service Routine (ISR).

Interrupt vectors are prioritized in terms of their natural priority. This priority is linked to their position in the vector table. Lower addresses generally have a higher natural priority. For example, the interrupt associated with Vector 0 takes priority over interrupts at any other vector address.

7.1.1 ALTERNATE INTERRUPT VECTOR TABLE

The Alternate Interrupt Vector Table (AIVT), shown in Figure 7-2, is available only when the Boot Segment is defined and the AIVT has been enabled. To enable the Alternate Interrupt Vector Table, the Configuration bit, AIVTDIS in the FSEC register, must be programmed and the AIVTEN bit must be set (INTCON2<8> = 1). When the AIVT is enabled, all interrupt and exception processes use the alternate vectors instead of the default vectors. The AIVT begins at the start of the last page of the Boot Segment, defined by BSLIM<12:0>. The second half of the page is no longer usable space. The Boot Segment must be at least 2 pages to enable the AIVT.

Note: Although the Boot Segment must be enabled in order to enable the AIVT, application code does not need to be present inside of the Boot Segment. The AIVT (and IVT) will inherit the Boot Segment code protection.

The AIVT supports debugging by providing a means to switch between an application and a support environment without requiring the interrupt vectors to be reprogrammed. This feature also enables switching between applications for evaluation of different software algorithms at run time.

7.2 Reset Sequence

A device Reset is not a true exception because the interrupt controller is not involved in the Reset process. The dsPIC33EPXXGS50X family devices clear their registers in response to a Reset, which forces the PC to zero. The device then begins program execution at location, 0x000000. A GOTO instruction at the Reset address can redirect program execution to the appropriate start-up routine.

Note: Any unimplemented or unused vector locations in the IVT should be programmed with the address of a default interrupt handler routine that contains a RESET instruction.

FIGURE 7-1: dsPIC33EPXXGS50X FAMILY INTERRUPT VECTOR TABLE

Note: In Dual Partition modes, each partition has a dedicated Interrupt Vector Table.

FIGURE 7-2: dsPIC33EPXXGS50X ALTERNATE INTERRUPT VECTOR TABLE
(2)

Note 1: The address depends on the size of the Boot Segment defined by BSLIM<12:0>. [(BSLIM<12:0> - 1) x 0x400] + Offset.
2: In Dual Partition modes, each partition has a dedicated Alternate Interrupt Vector Table (if enabled).

TABLE 7-1: INTERRUPT VECTOR DETAILS

Interrupt Source	Vector #	IRQ #	IVT Address	Interrupt Bit Location
				Flag Enable Priority
Highest Natural Order Priority
INT0 - External Interrupt 0 8 0 0x00001	4 IFS0<0>	IEC0<0>	IPC0<2:0>
IC1 - Input Capture 1 9 1 0x000016 IFS0<1>	IEC0<1>	IPC0<6:4>
OC1 - Output Compare 1	10	2	0x000018	IFS0<2>	IEC0<2>	IPC0<10:8>
T1 - Timer1	11	3	0x00001A	IFS0<3>	IEC0<3>	IPC0<14:12>
Reserved	12	4	0x00001C	—	—	—
IC2 - Input Capture 2	13	5	0x00001E	IFS0<5>	IEC0<5>	IPC1<6:4>
OC2 - Output Compare 2	14	6	0x000020	IFS0<6>	IEC0<6>	IPC1<10:8>
T2 - Timer2	15	7	0x000022	IFS0<7>	IEC0<7>	IPC1<14:12>
T3 - Timer3	16	8	0x000024	IFS0<8>	IEC0<8>	IPC2<2:0>
SPI1E - SPI1 Error	17	9	0x000026	IFS0<9>	IEC0<9>	IPC2<6:4>
SPI1 - SPI1 Transfer Done	18	10	0x000028	IFS0<10>	IEC0<10>	IPC2<10:8>
U1RX - UART1 Receiver	19	11	0x00002A	IFS0<11>	IEC0<11>	IPC2<14:12>
U1TX - UART1 Transmitter	20	12	0x00002C	IFS0<12>	IEC0<12>	IPC3<2:0>
ADC - ADC Global Convert Done	21	13	0x00002E	IFS0<13>	IEC0<13>	IPC3<6:4>
Reserved	22	14	0x000030	—	—	—
NVM - NVM Write Complete	23	15	0x000032	IFS0<15>	IEC0<15>	IPC3<14:12>
SI2C1 - I2C1 Slave Event	24	16	0x000034	IFS1<0>	IEC1<0>	IPC4<2:0>
MI2C1 - I2C1 Master Event	25	17	0x000036	IFS1<1>	IEC1<1>	IPC4<6:4>
CMP1 - Analog Comparator 1 Interrupt	26	18	0x000038	IFS1<2>	IEC1<2>	IPC4<10:8>
CN - Input Change Interrupt	27	19	0x00003A	IFS1<3>	IEC1<3>	IPC4<14:12>
INT1 - External Interrupt 1	28	20	0x00003C	IFS1<4>	IEC1<4>	IPC5<2:0>
Reserved	29-32	21-24	0x00003E-0x000044	—	—	—
OC3 - Output Compare 3	33	25	0x000046	IFS1<9>	IEC1<9>	IPC6<6:4>
OC4 - Output Compare 4	34	26	0x000048	IFS1<10>	IEC1<10>	IPC6<10:8>
T4 - Timer4	35	27	0x00004A	IFS1<11>	IEC1<11>	IPC6<14:12>
T5 - Timer5	36	28	0x00004C	IFS1<12>	IEC1<12>	IPC7<2:0>
INT2 - External Interrupt 2	37	29	0x00004E	IFS1<13>	IEC1<13>	IPC7<6:4>
U2RX - UART2 Receiver	38	30	0x000050	IFS1<14>	IEC1<14>	IPC7<10:8>
U2TX - UART2 Transmitter	39	31	0x000052	IFS1<15>	IEC1<15>	IPC7<14:12>
SPI2E - SPI2 Error	40	32	0x000054	IFS2<0>	IEC2<0>	IPC8<2:0>
SPI2 - SPI2 Transfer Done	41	33	0x000056	IFS2<1>	IEC2<1>	IPC8<6:4>
Reserved	42-44	34-36	0x000058-0x00005C	—	—	—
IC3 - Input Capture 3	45	37	0x00005E	IFS2<5>	IEC2<5>	IPC9<6:4>
IC4 - Input Capture 4	46	38	0x000060	IFS2<6>	IEC2<6>	IPC9<10:8>
Reserved	47-56	39-48	0x000062-0x000074	—	—	—
SI2C2 - I2C2 Slave Event	57	49	0x000076	IFS3<1>	IEC3<1>	IPC12<6:4>
MI2C2 - I2C2 Master Event	58	50	0x000078	IFS3<2>	IEC3<2>	IPC12<10:8>
Reserved	59-61	51-53	0x00007A-0x00007E	—	—	—
INT4 - External Interrupt 4	62	54	0x000080	IFS3<6>	IEC3<6>	IPC13<10:8>
Reserved	63-64	55-54	0x000082-0x000084	—	—	—
PSEM - PWM Special Event Match	65	57	0x000086	IFS3<9>	IEC3<9>	IPC14<6:4>
Reserved	66-72	58-64	0x000088-0x000094	—	—	—
U1E - UART1 Error Interrupt	73	65	0x000096	IFS4<1>	IEC4<1>	IPC16<6:4>
U2E - UART2 Error Interrupt	74	66	0x000098	IFS4<2>	IEC4<2>	IPC16<10:8>
ReservedPWM Secondary Special Event Match 8	75-80173 0x00	67-7200A6 IFS4	0x00009A-0x0000A4IEC4<9> IPC18<6:4>	—	—	—
Reserved	82-101	74-93	0x0000A8-0x0000CE	—	—	—
PWM1 – PWM1 Interrupt	102	94	0x0000D0	IFS5<14>	IEC5<14>	IPC23<10:8>
PWM2 – PWM2 Interrupt	103	95	0x0000D2	IFS5<15>	IEC5<15>	IPC23<14:12>
PWM3 – PWM3 Interrupt	104	96	0x0000D4	IFS6<0>	IEC6<0>	IPC24<2:0>
PWM4 – PWM4 Interrupt	105	97	0x0000D6	IFS6<1>	IEC6<1>	IPC24<6:4>
PWM5 – PWM5 Interrupt	106	98	0x0000D8	IFS6<2>	IEC6<2>	IPC24<10:8>
Reserved	106-110	99-102	0x0000DA-0x0000E0	—	—	—
CMP2 – Analog Comparator 2 Interrupt	111	103	0x0000E2	IFS6<7>	IEC6<7>	IPC25<14:12>
CMP3 – Analog Comparator 3 Interrupt	112	104	0x0000E4	IFS6<8>	IEC6<8>	IPC26<2:0>
CMP4 – Analog Comparator 4 Interrupt	113	105	0x0000E6	IFS6<9>	IEC6<9>	IPC26<6:4>
Reserved	114-117	106-109	0x0000E8-0x0000EE	—	—	—
AN0 Conversion Done	118	110	0x0000F0	IFS6<14>	IEC6<14>	IPC27<10:8>
AN1 Conversion Done	119	111	0x0000F2	IFS6<15>	IEC6<15>	IPC27<14:12>
AN2 Conversion Done	120	112	0x0000F4	IFS7<0>	IEC7<0>	IPC28<2:0>
AN3 Conversion Done	121	113	0x0000F6	IFS7<1>	IEC7<1>	IPC28<6:4>
AN4 Conversion Done	122	114	0x0000F8	IFS7<2>	IEC7<2>	IPC28<10:8>
AN5 Conversion Done	123	115	0x0000FA	IFS7<3>	IEC7<3>	IPC28<14:12>
AN6 Conversion Done	124	116	0x0000FC	IFS7<4>	IEC7<4>	IPC29<2:0>
AN7 Conversion Done	125	117	0x0000FE	IFS7<5>	IEC7<5>	IPC29<6:4>
Reserved	126-149	118-141	0x000100-0x00012E	—	—	—
ICD – ICD Application	150	142	0x000130	IFS8<14>	IEC8<14>	IPC35<10:8>
JTAG – JTAG Programming	151	143	0x000132	IFS8<15>	IEC8<15>	IPC35<14:12>
Reserved	152-158	144-150	0x000134-0x000140	—	—	—
AN8 Conversion Done	159	151	0x000142	IFS9<7>	IEC9<7>	IPC37<14:12>
AN9 Conversion Done	160	152	0x000144	IFS9<8>	IEC9<8>	IPC38<2:0>
AN10 Conversion Done	161	153	0x000146	IFS9<9>	IEC9<9>	IPC38<6:4>
AN11 Conversion Done	162	154	0x000148	IFS9<10>	IEC9<10>	IPC38<10:8>
AN12 Conversion Done	163	155	0x00014A	IFS9<11>	IEC9<11>	IPC38<14:12>
AN13 Conversion Done	164	156	0x00014C	IFS9<12>	IEC9<12>	IPC39<2:0>
AN14 Conversion Done	165	157	0x00014E	IFS9<13>	IEC9<13>	IPC39<6:4>
AN15 Conversion Done	166	158	0x000150	IFS9<14>	IEC9<14>	IPC39<10:8>
AN16 Conversion Done	167	159	0x000152	IFS9<15>	IEC9<15>	IPC39<14:12>
AN17 Conversion Done	168	160	0x000154	IFS10<0>	IEC10<0>	IPC40<2:0>
AN18 Conversion Done	169	161	0x000156	IFS10<1>	IEC10<1>	IPC40<6:4>
AN19 Conversion Done	170	162	0x000158	IFS10<2>	IEC10<2>	IPC40<10:8>
AN20 Conversion Done	171	163	0x00015A	IFS10<3>	IEC10<3>	IPC40<14:12>
AN21 Conversion Done	172	164	0x00015C	IFS10<4>	IEC10<4>	IPC41<2:0>
Reserved	173-180	165-172	0x00015C-0x00016C	—	—	—
I2C1 – I2C1 Bus Collision	181	173	0x00016E	IFS10<13>	IEC10<13>	IPC43<6:4>
I2C2 – I2C2 Bus Collision	182	174	0x000170	IFS10<14>	IEC10<14>	IPC43<10:8>
Reserved	183-184	175-176	0x000172-0x000174	—	—	—
ADCMP0 – ADC Digital Comparator 0	185	177	0x000176	IFS11<1>	IEC11<1>	IPC44<6:4>
ADCMP1 – ADC Digital Comparator 1	186	178	0x000178	IFS11<2>	IEC11<2>	IPC44<10:8>
ADFLTR0 – ADC Filter 0	187	179	0x00017A	IFS11<3>	IEC11<3>	IPC44<14:12>
ADFLTR1 – ADC Filter 1	188	180	0x00017C	IFS11<4>	IEC11<4>	IPC45<2:0>
Reserved	189-253	181-245	0x00017E-0x0001FE	—	—	—

7.3 Interrupt Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

7.3.1 KEY RESOURCES

• "Interrupts" (DS70000600) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

7.4 Interrupt Control and Status Registers

dsPIC33EPXXGS50X family devices implement the following registers for the interrupt controller:

• INTCON1
• INTCON2
• INTCON3
• INTCON4
  • INT TREG

7.4.1 INTCON1 THROUGH INTCON4

Global interrupt control functions are controlled from INTCON1, INTCON2, INTCON3 and INTCON4.

INTCON1 contains the Interrupt Nesting Disable bit (NSTDIS), as well as the control and status flags for the processor trap sources.

The INTCON2 register controls external interrupt request signal behavior, contains the Global Interrupt Enable bit (GIE) and the Alternate Interrupt Vector Table Enable bit (AIVTEN).

INTCON3 contains the status flags for the Auxiliary PLL and DO stack overflow status trap sources.

The INTCON4 register contains the Software Generated Hard Trap Status bit (SGHT).

7.4.2 IFSx

The IFSx registers maintain all of the interrupt request flags. Each source of interrupt has a status bit, which is set by the respective peripherals or external signal and is cleared via software.

7.4.3 IECx

The IECx registers maintain all of the interrupt enable bits. These control bits are used to individually enable interrupts from the peripherals or external signals.

7.4.4 IPCx

The IPCx registers are used to set the Interrupt Priority Level (IPL) for each source of interrupt. Each user interrupt sources can be assigned to one of seven priority levels.

7.4.5 INTTREG

The INTTREG register contains the associated interrupt vector number and the new CPU Interrupt Priority Level, which are latched into the Vector Number (VECNUM<7:0>) and Interrupt Level bits (ILR<3:0>) fields in the INTTREG register. The new Interrupt Priority Level is the priority of the pending interrupt.

The interrupt sources are assigned to the IFSx, IECx and IPCx registers in the same sequence as they are listed in Table 7-1. For example, the INT0 (External Interrupt 0) is shown as having Vector Number 8 and a natural order priority of 0. Thus, the INT0IF bit is found in IFS0<0>, the INT0IE bit in IEC0<0> and the INT0IP<2:0> bits in the first position of IPC0 (IPC0<2:0>).

7.4.6 STATUS/CONTROL REGISTERS

Although these registers are not specifically part of the interrupt control hardware, two of the CPU Control registers contain bits that control interrupt functionality. For more information on these registers refer to "CPU" (DS70359) in the "dsPIC33/PIC24 Family Reference Manual".

• The CPU STATUS Register, SR, contains the IPL<2:0> bits (SR<7:5>). These bits indicate the current CPU Interrupt Priority Level. The user software can change the current CPU Interrupt Priority Level by writing to the IPLx bits.
• The CORCON register contains the IPL3 bit which, together with IPL<2:0>, also indicates the current CPU priority level. IPL3 is a read-only bit so that trap events cannot be masked by the user software.

All Interrupt registers are described in Register 7-3 through Register 7-7 in the following pages.

REGISTER 7-1: SR: CPU STATUS REGISTER (1)

R/W-0 R/W-0 R/W-0 R/W-0 R/C-0 R/C-0 R-0 R/W-0
OA	OB	SA	SB	OAB	SAB	DA	DC
bit 15 bit 8

R/W-0^(3)	R/W-0^(3)	R/W-0^(3)	R-0	R/W-0	R/W-0	R/W-0	R/W-0
IPL2^(2)	IPL1^(2)	IPL0^(2)	RA	N	OV	Z	C
bit 7 bit 0

Legend:	C = Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’= Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 7-5 IPL<2:0>: CPU Interrupt Priority Level Status bits ^(2,3)

111 = CPU Interrupt Priority Level is 7 (15); user interrupts are disabled

110 = CPU Interrupt Priority Level is 6 (14)

101 = CPU Interrupt Priority Level is 5 (13)

100 = CPU Interrupt Priority Level is 4 (12)

011 = CPU Interrupt Priority Level is 3 (11)

010 = CPU Interrupt Priority Level is 2 (10)

001 = CPU Interrupt Priority Level is 1 (9)

000 = CPU Interrupt Priority Level is 0 (8)

Note 1: For complete register details, see Register 3-1.

2: The IPL<2:0> bits are concatenated with the IPL<3> bit (CORCON<3>) to form the CPU Interrupt Priority Level. The value in parentheses indicates the IPL, if IPL<3>=1. User interrupts are disabled when IPL<3>=1.

3: The IPL<2:0> Status bits are read-only when the NSTDIS bit (INTCON1<15>) = 1.

REGISTER 7-2: CORCON: CORE CONTROL REGISTER (1)

R/W-0 U-0 R/W-0 R/W-0 R/W-0 R-0 R-0 R-0
VAR	— US1	US0 EDT DL2	DL1 DL0
bit 15 bit 8

R/W-0	R/W-0	R/W-1	R/W-0	R/C-0	R-0	R/W-0	R/W-0
SATA	SATB	SATDW	ACCSAT	IPL3^(2)	SFA RND	IF
bit 7 bit 0

Legend:	C = Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’= Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 VAR: Variable Exception Processing Latency Control bit

1 = Variable exception processing is enabled
0 = Fixed exception processing is enabled

bit 3 IPL3: CPU Interrupt Priority Level Status bit 3 ^(2)

1 = CPU Interrupt Priority Level is greater than 7
0 = CPU Interrupt Priority Level is 7 or less

Note 1: For complete register details, see Register 3-2.

2: The IPL3 bit is concatenated with the IPL<2:0> bits (SR<7:5>) to form the CPU Interrupt Priority Level.

REGISTER 7-3: INTCON1: INTERRUPT CONTROL REGISTER 1

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
NSTDIS OVAERR OVBERR COVAERR COVBERR OVATE OVBTE				COVTE
bit 15 bit 8

R/W-0	R/W-0	U-0	R/W-0	R/W-0	R/W-0	R/W-0	U-0
SFTACERR	DIV0ERR	—	MATHERR	ADDRERR	STKERR	OSCFAIL	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared x = Bit is unknown

bit 15 NSTDIS: Interrupt Nesting Disable bit

1 = Interrupt nesting is disabled

0 = Interrupt nesting is enabled

bit 14 OVAERR: Accumulator A Overflow Trap Flag bit

1 = Trap was caused by overflow of Accumulator A

0 = Trap was not caused by overflow of Accumulator A

bit 13 OVBERR: Accumulator B Overflow Trap Flag bit

1 = Trap was caused by overflow of Accumulator B

0 = Trap was not caused by overflow of Accumulator B

bit 12 COVAERR: Accumulator A Catastrophic Overflow Trap Flag bit

1 = Trap was caused by catastrophic overflow of Accumulator A

0 = Trap was not caused by catastrophic overflow of Accumulator A

bit 11 COVBERR: Accumulator B Catastrophic Overflow Trap Flag bit

1 = Trap was caused by catastrophic overflow of Accumulator B

0 = Trap was not caused by catastrophic overflow of Accumulator B

bit 10 OVATE: Accumulator A Overflow Trap Enable bit

1 = Trap overflow of Accumulator A

0 = Trap is disabled

bit 9 OVBTE: Accumulator B Overflow Trap Enable bit

1 = Trap overflow of Accumulator B

0 = Trap is disabled

bit 8 COVTE: Catastrophic Overflow Trap Enable bit

1 = Trap on catastrophic overflow of Accumulator A or B is enabled

0 = Trap is disabled

bit 7 SFTACERR: Shift Accumulator Error Status bit

1 = Math error trap was caused by an invalid accumulator shift

0 = Math error trap was not caused by an invalid accumulator shift

bit 6 DIV0ERR: Divide-by-Zero Error Status bit

1 = Math error trap was caused by a divide-by-zero

0 = Math error trap was not caused by a divide-by-zero

bit 5 Unimplemented: Read as '0'

bit 4 MATHERR: Math Error Status bit

1 = Math error trap has occurred

0 = Math error trap has not occurred

bit 3 ADDRERR: Address Error Trap Status bit

1 = Address error trap has occurred

0 = Address error trap has not occurred

REGISTER 7-3: INTCON1: INTERRUPT CONTROL REGISTER 1 (CONTINUED)

bit 2 STKERR: Stack Error Trap Status bit

1 = Stack error trap has occurred
0 = Stack error trap has not occurred

bit 1 OSCFAIL: Oscillator Failure Trap Status bit

1 = Oscillator failure trap has occurred
0 = Oscillator failure trap has not occurred

bit 0 Unimplemented: Read as '0'

REGISTER 7-4: INTCON2: INTERRUPT CONTROL REGISTER 2

R/W-1 R/W-0 R/W-0 U-0 U-0 U-0 U-0 R/W-0
GIE DISI	SWTRAP		—	—	—	—	AIVTEN
bit 15 bit 8

U-0	U-0	U-0	R/W-0	U-0	R/W-0	R/W-0	R/W-0
—	—	—	INT4EP	—	INT2EP	INT1EP	INT0EP
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 GIE: Global Interrupt Enable bit

1 = Interrupts and associated IE bits are enabled

0 = Interrupts are disabled, but traps are still enabled

bit 14 DISI: DISI Instruction Status bit

1 = DISI instruction is active

0 = DISI instruction is not active

bit 13 SWTRAP: Software Trap Status bit

1 = Software trap is enabled

0 = Software trap is disabled

bit 12-9 Unimplemented: Read as '0'

bit 8 AIVTEN: Alternate Interrupt Vector Table Enable

1 = Uses Alternate Interrupt Vector Table

0 = Uses standard Interrupt Vector Table

bit 7-5 Unimplemented: Read as '0'

bit 4 INT4EP: External Interrupt 4 Edge Detect Polarity Select bit

1 = Interrupt on negative edge

0 = Interrupt on positive edge

bit 3 Unimplemented: Read as '0'

bit 2 INT2EP: External Interrupt 2 Edge Detect Polarity Select bit

1 = Interrupt on negative edge

0 = Interrupt on positive edge

bit 1 INT1EP: External Interrupt 1 Edge Detect Polarity Select bit

1 = Interrupt on negative edge

0 = Interrupt on positive edge

bit 0 INTOEP: External Interrupt 0 Edge Detect Polarity Select bit

1 = Interrupt on negative edge

0 = Interrupt on positive edge

REGISTER 7-5: INTCON3: INTERRUPT CONTROL REGISTER 3

U-0 U-0 U-0 U-0 U-0 U-0 R/W-0
— — —	— — — —	N	A	E
bit 15							bit 8

U-0 U-0 U-0 R/W-0 U-0 U-0 U-0 R/W-0
—	—	—	DOOVR	—	—	—	APLL
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-9 Unimplemented: Read as '0'

bit 8 NAE: NVM Address Error Soft Trap Status bit

1 = NVM address error soft trap has occurred
0 = NVM address error soft trap has not occurred

bit 7-5 Unimplemented: Read as '0'

bit 4 DOOVR: DO Stack Overflow Soft Trap Status bit

1 = DO stack overflow soft trap has occurred
0 = DO stack overflow soft trap has not occurred

bit 3-1 Unimplemented: Read as '0'

bit 0 APLL: Auxiliary PLL Loss of Lock Soft Trap Status bit

1 = APLL lock soft trap has occurred
0 = APLL lock soft trap has not occurred

REGISTER 7-6: INTCON4: INTERRUPT CONTROL REGISTER 4

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-1 Unimplemented: Read as '0'

bit 0 SGHT: Software Generated Hard Trap Status bit

1 = Software generated hard trap has occurred
0 = Software generated hard trap has not occurred

REGISTER 7-7: INTTREG: INTERRUPT CONTROL AND STATUS REGISTER

U-0 U-0 U-0 U-0 R-0 R-0 R-0 R-0
— — —	— ILR3	ILR2 ILR1	ILR0
bit 15 bit 8

R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
VECNUM7	VECNUM6	VECNUM5	VECNUM4	VECNUM3	VECNUM2	VECNUM1	VECNUM0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11-8 ILR<3:0>: New CPU Interrupt Priority Level bits

1111 = CPU Interrupt Priority Level is 15

•

•

[Non-Text]

-

0001 = CPU Interrupt Priority Level is 1

0000 = CPU Interrupt Priority Level is 0

bit 7-0 VECNUM<7:0>: Vector Number of Pending Interrupt bits

11111111 = 255, Reserved; do not use

•

-

[Non-Text]

.

00001001 = 9, IC1 - Input Capture 1

00001000 = 8, INT0 - External Interrupt 0

00000111 = 7, Reserved; do not use

00000110 = 6, Generic soft error trap

00000101 = 5, Reserved; do not use

00000100 = 4, Math error trap

00000011 = 3, Stack error trap

00000010 = 2, Generic hard trap

00000001 = 1, Address error trap

00000000 = 0, Oscillator fail trap

NOTES:

8.0 OSCILLATOR CONFIGURATION

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Oscillator Module" (DS70005131) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family oscillator system provides:

• On-chip Phase-Locked Loop (PLL) to boost internal operating frequency on select internal and external oscillator sources
• On-the-fly clock switching between various clock sources
• Doze mode for system power savings
• Fail-Safe Clock Monitor (FSCM) that detects clock failure and permits safe application recovery or shutdown
• Configuration bits for clock source selection
  • Auxiliary PLL for ADC and PWM

A simplified diagram of the oscillator system is shown in Figure 8-1.

FIGURE 8-1: OSCILLATOR SYSTEM DIAGRAM

graph TD
    subgraph_Primary_Oscillator["(POSC)"]
        OSC1["OSC1"] --> POSCLK
        OSC2["OSC2"] --> POSCLK
        POSCLK --> S3["S3"]
        S3 --> PLL
        PLL --> FPLLO["FPLLO"]
        FPLLO --> XT_HS_EC["XT, HS, EC"]
        XT_HS_EC --> S2["S2"]
        S2 --> S1/S3["S1/S3"]
        S1/S3 --> S7["S7"]
        S7 --> DOZE["DOZE"]
        DOZE --> FCY_FP["FCY(2)"]
        FCY_FP --> +2["÷2"]
        +2 --> Fosc["Fosc"]
    end

    subgraph PLL
        S1 --> PLL
        PLL --> FVCO_FVCO(1)
        FVCO_FVCO(1) --> S7
        S7 --> FRCDIVN["FRCDIVN"]
        FRCDIVN --> S6["S6"]
        S6 --> FRCDIV16["FRCDIV16"]
        FRCDIV16 --> S5["S5"]
        S5 --> LPRC["LPRC"]
        LPRC --> ClockFail["Clock Fail"]
        ClockFail --> S0["S0"]
        ClockFail --> NOSC["NOSC<2:0> FNOSC<2:0>"]
        NOSC --> Reset["Reset"]
        Reset --> WDT["WDT, PWRT, FSCM"]
    end

    subgraph FRC_Oscillator
        FRC_Oscillator --> TUN["TUN<5:0>"]
        TUN --> PLL
        PLL --> FRCDIVF["FRCDIV"]
        FRCDIVF --> S6
        S6 --> FRCDIV16
        FRCDIV16 --> S5
        S5 --> LPRC
    end

    subgraph REFERENCE_CLOCK_OUTPUT
        DOZE_REFCLKO["POSCCLK"] --> REFCLKO_REFCLKO
        REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_RFN
        REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REFCLKO_REF CLK
    end

    subgraph Reference_CLOCK_OUTPUT
        DOZE_REFCLKO["DOZE"] --> FP_FP["FP(2)"]
        FP_FP --> +2["÷2"]
        +2 --> Fosc
    end

    style Primary_Oscillator fill:#f9f,stroke:#333
    style REFERENCE_CLOCK_OUTPUT fill:#ccf,stroke:#333

AUXILIARY CLOCK GENERATOR CIRCUIT BLOCK DIAGRAM

graph LR
    A["POSCCCLK"] --> B["1"]
    C["GND"] --> D["0"]
    B --> E["ASRCSEL"]
    D --> F["FRCSEL"]
    E --> G["1"]
    F --> H["1"]
    G --> I["APLL x 16"]
    H --> J["1"]
    I --> K["ENAPLL"]
    J --> L["FVCO(1)"]
    K --> M["1"]
    L --> N["SELACLK"]
    M --> O["+N"]
    N --> P["APSTSCLR<2:0>(4)"]
    O --> Q["ACLK"]
    P --> Q
    Q --> R["PWM/ADC to LFSR"]

Note 1: See Figure 8-2 for the source of the Fvco signal.
2: F P refers to the clock source for all the peripherals, while Fcy (or MIPS) refers to the clock source for the CPU. Throughout this document, Fcy and Fpare used interchangeably, except in the case of Doze mode. Fp and Fcy will be different when Doze mode is used in any ratio other than 1:1.
3: The auxiliary clock postscaler must be configured to divide-by-1 (APSTSCLR<2:0> = 111) for proper operation of the PWM and ADC modules.

8.1 CPU Clocking System

The dsPIC33EPXXGS50X family of devices provides six system clock options:

• Fast RC (FRC) Oscillator
• FRC Oscillator with Phase-Locked Loop (FRCPLL)
  • FRC Oscillator with Postscaler
  • Primary (XT, HS or EC) Oscillator
  • Primary Oscillator with PLL
• Low-Power RC (LPRC) Oscillator

Instruction execution speed or device operating frequency, FcY, is given by Equation 8-1.

EQUATION 8-1: DEVICE OPERATING FREQUENCY

$$ F C Y = F O S C / 2 $$

Figure 8-2 is a block diagram of the PLL module. Equation 8-2 provides the relationship between Input Frequency (FIN) and Output Frequency (FPLLO). Equation 8-3 provides the relationship between Input Frequency (FIN) and VCO Frequency (Fvco).

FIGURE 8-2: PLL BLOCK DIAGRAM

graph LR
    A["FIN"] --> B["÷ N1"]
    B --> C["FPLLI"]
    C --> D["PFD VCO"]
    D --> E[" "]
    E --> F["Fvco"]
    F --> G["÷ N2"]
    G --> H["Fosc"]
    H --> I["PLLPOST<1:0>"]
    I --> J["÷ M"]
    J --> K["PLLDIV<8:0>"]
    K --> L["PLLPRE<4:0>"]
    L --> B
    style A fill:#f9f,stroke:#333
    style I fill:#f9f,stroke:#333
    style K fill:#f9f,stroke:#333

Note 1: This frequency range must be met at all times.

EQUATION 8-2: F PLLO CALCULATION

$$ F _ {P L L O} = F _ {I N} \times \frac {M}{N 1 \times N 2} = F _ {I N} \times \left(\frac {P L L D I V < 8 : 0 > + 2}{(P L L P R E < 4 : 0 > + 2) \times 2 (P L L P O S T < 1 : 0 > + 1)}\right) $$

Where:

$$ N 1 = P L L P R E < 4: 0 > + 2 $$

$$ N 2 = 2 \times (P L L P O S T < 1: 0 > + 1) $$

$$ M = P L L D I V < 8: 0 > + 2 $$

EQUATION 8-3: F vco CALCULATION

$$ F _ {V C O} = F _ {I N} \times \left(\frac {M}{N 1}\right) = F _ {I N} \times \left(\frac {P L L D I V < 8 : 0 > + 2}{(P L L P R E < 4 : 0 > + 2)}\right) $$

TABLE 8-1: CONFIGURATION BIT VALUES FOR CLOCK SELECTION

Oscillator Mode Oscillator Source	POSCMD<1:0> FNOSC<2:0>		See Notes
Fast RC Oscillator with Divide-by-n (FRCDIVN) Internal xx 111			1, 2
Fast RC Oscillator with Divide-by-16 Internal	xx 110		1
Low-Power RC Oscillator (LPRC)	Internal xx 101		1
Primary Oscillator (HS) with PLL (HSPLL)	Primary	10	011
Primary Oscillator (XT) with PLL (XTPLL)	Primary	01	011
Primary Oscillator (EC) with PLL (ECPLL)	Primary	00	011
Primary Oscillator (HS)	Primary	10	010
Primary Oscillator (XT)	Primary	01	010
Primary Oscillator (EC)	Primary	00	010
Fast RC Oscillator (FRC) with Divide-by-N and PLL (FRCPLL)	Internal	xx 001
Fast RC Oscillator (FRC)	Internal	xx	000

Note 1: OSC2 pin function is determined by the OSCIOFNC Configuration bit.
2: This is the default oscillator mode for an unprogrammed (erased) device.

8.2 Auxiliary Clock Generation

The auxiliary clock generation is used for peripherals that need to operate at a frequency unrelated to the system clock, such as PWM or ADC.

The primary oscillator and internal FRC oscillator sources can be used with an Auxiliary PLL (APLL) to obtain the auxiliary clock. The Auxiliary PLL has a fixed 16x multiplication factor.

The auxiliary clock has the following configuration restrictions:

• For proper PWM operation, auxiliary clock generation must be configured for 120 MHz (see Parameter OS56 in Section 26.0 “Electrical Characteristics”). If a slower frequency is desired, the PWM Input Clock Prescaler (Divider) Select bits (PCLKDIV<2:0>) should be used.
• To achieve 1.04 ns PWM resolution, the auxiliary clock must use the 16x Auxiliary PLL (APLL). All other clock sources will have a minimum PWM resolution of 8 ns.
• If the primary PLL is used as a source for the auxiliary clock, the primary PLL should be configured up to a maximum operation of 30 MIPS or less.

8.3 Reference Clock Generation

The reference clock output logic provides the user with the ability to output a clock signal based on the system clock or the crystal oscillator on a device pin. The user application can specify a wide range of clock scaling prior to outputting the reference clock.

8.4 Oscillator Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

8.4.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

8.5 Oscillator Control Registers

REGISTER 8-1: OSCCON: OSCILLATOR CONTROL REGISTER (1)

U-0 R-0 R-0 R-0 U-0 R/W-y R/W-y R/W-y
— COS	C2	COSC1	COSO —	N	O	S	C(2)2	NOSC1(2)	NOSC0(2)
bit 15 bit 8

R/W-0 R/W-0 R-0 U-0 R/W-0 U-0 U-0 R/W-0
CLKLOCK I	OLOCK LOCK		—	CF(3)	—	—	OSWEN
bit 7 bit 0

Legend:	y = Value set from Configuration bits on POR
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 Unimplemented: Read as '0'

bit 14-12 COSC<2:0>: Current Oscillator Selection bits (read-only)

111 = Fast RC Oscillator (FRC) with Divide-by-n

110 = Fast RC Oscillator (FRC) with Divide-by-16

101 = Low-Power RC Oscillator (LPRC)

100 = Reserved

011 = Primary Oscillator (XT, HS, EC) with PLL

010 = Primary Oscillator (XT, HS, EC)

001 = Fast RC Oscillator (FRC) with Divide-by-N and PLL (FRCPLL)

000 = Fast RC Oscillator (FRC)

bit 11 Unimplemented: Read as '0'

bit 10-8 NOSC<2:0>: New Oscillator Selection bits ^(2)

111 = Fast RC Oscillator (FRC) with Divide-by-n

110 = Fast RC Oscillator (FRC) with Divide-by-16

101 = Low-Power RC Oscillator (LPRC)

100 = Reserved

011 = Primary Oscillator (XT, HS, EC) with PLL

010 = Primary Oscillator (XT, HS, EC)

001 = Fast RC Oscillator (FRC) with Divide-by-N and PLL (FRCPLL)

000 = Fast RC Oscillator (FRC)

bit 7 CLKLOCK: Clock Lock Enable bit

1 = If (FCKSM0 = 1), then clock and PLL configurations are locked; if (FCKSM0 = 0), then clock and PLL configurations may be modified

0 = Clock and PLL selections are not locked, configurations may be modified

bit 6 IOLOCK: I/O Lock Enable bit

1 = I/O lock is active

0 = I/O lock is not active

bit 5 LOCK: PLL Lock Status bit (read-only)

1 = Indicates that PLL is in lock or PLL start-up timer is satisfied

0 = Indicates that PLL is out of lock, start-up timer is in progress or PLL is disabled

Note 1: Writes to this register require an unlock sequence.

2: Direct clock switches between any primary oscillator mode with PLL and FRCPLL mode are not permitted. This applies to clock switches in either direction. In these instances, the application must switch to FRC mode as a transitional clock source between the two PLL modes.

3: This bit should only be cleared in software. Setting the bit in software (= 1) will have the same effect as an actual oscillator failure and will trigger an oscillator failure trap.

REGISTER 8-1: OSCCON: OSCILLATOR CONTROL REGISTER (1) (CONTINUED)

bit 4 Unimplemented: Read as '0'

bit 3 CF: Clock Fail Detect bit ^(3)

1 = FSCM has detected a clock failure

0 = FSCM has not detected a clock failure

bit 2-1 Unimplemented: Read as '0'

bit 0 OSWEN: Oscillator Switch Enable bit

1 = Requests oscillator switch to the selection specified by the NOSC<2:0> bits

0 = Oscillator switch is complete

Note 1: Writes to this register require an unlock sequence.

2: Direct clock switches between any primary oscillator mode with PLL and FRCPLL mode are not permitted. This applies to clock switches in either direction. In these instances, the application must switch to FRC mode as a transitional clock source between the two PLL modes.

3: This bit should only be cleared in software. Setting the bit in software (= 1) will have the same effect as an actual oscillator failure and will trigger an oscillator failure trap.

REGISTER 8-2: CLKDIV: CLOCK DIVISOR REGISTER

R/W-0 R/W-0 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0 R/W-0
ROI DOZ	E2	(1)	DOZE1(1)	DOZE0(1)	DOZEN(2,3)	FRCDIV2 FR	FRCDIV1 FRCDIV0
bit 15 bit 8

R/W-0 R/W-1 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PLLPOST1	PLLPOST0	— PLLP	RE4 PLLPRE3	PLLPRE2 PLL	PRE1 PLLPRE	E0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 ROI: Recover on Interrupt bit 1 = Interrupts will clear the DOZEN bit and the processor clock, and the peripheral clock ratio is set to 1:1 0 = Interrupts have no effect on the DOZEN bit

bit 14-12 DOZE<2:0>: Processor Clock Reduction Select bits (1)

111 = FCY divided by 128

110 = Fcγ divided by 64

101 = FcY divided by 32

100 = FCY divided by 16

011 = FcY divided by 8 (default)

010 = FcY divided by 4

001 = FcY divided by 2

000 = FcY divided by 1

bit 11 DOZEN: Doze Mode Enable bit ^(2,3) 1 = DOZE<2:0> field specifies the ratio between the peripheral clocks and the processor clocks

0 = Processor clock and peripheral clock ratio is forced to 1:1

bit 10-8 FRCDIV<2:0>: Internal Fast RC Oscillator Postscaler bits

111 = FRC divided by 256

110 = FRC divided by 64

101 = FRC divided by 32

100 = FRC divided by 16

011 = FRC divided by 8

010 = FRC divided by 4

001 = FRC divided by 2

000 = FRC divided by 1 (default)

bit 7-6 PLLPOST<1:0>: PLL VCO Output Divider Select bits (also denoted as 'N2', PLL postscaler)

11 = Output divided by 8

10 = Reserved

01 = Output divided by 4 (default)

00 = Output divided by 2

bit 5 Unimplemented: Read as '0'

Note 1: The DOZE<2:0> bits can only be written to when the DOZEN bit is clear. If DOZEN = 1, any writes to DOZE<2:0> are ignored.

2: This bit is cleared when the ROI bit is set and an interrupt occurs.

3: The DOZEN bit cannot be set if DOZE<2:0>=000. If DOZE<2:0>=000, any attempt by user software to set the DOZEN bit is ignored.

REGISTER 8-2: CLKDIV: CLOCK DIVISOR REGISTER (CONTINUED)

bit 4-0 PLLPRE<4:0>: PLL Phase Detector Input Divider Select bits (also denoted as 'N1', PLL prescaler)

11111 = Input divided by 33

•

•

•

00001 = Input divided by 3

00000 = Input divided by 2 (default)

Note 1: The DOZE<2:0> bits can only be written to when the DOZEN bit is clear. If DOZEN = 1, any writes to DOZE<2:0> are ignored.

2: This bit is cleared when the ROI bit is set and an interrupt occurs.

3: The DOZEN bit cannot be set if DOZE<2:0> = 000. If DOZE<2:0> = 000, any attempt by user software to set the DOZEN bit is ignored.

REGISTER 8-3: PLLFBD: PLL FEEDBACK DIVISOR REGISTER

U-0 U-0 U-0 U-0 U-0 U-0 R/W-0
———	——— — PLLDIV8
bit 15 bit 8

R/W-0 R/W-0 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0 R/W-0

PLLDIV<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-9 Unimplemented: Read as '0'

bit 8-0 PLLDIV<8:0>: PLL Feedback Divisor bits (also denoted as 'M', PLL multiplier)

111111111 = 513

•

•

•

000110000 = 50 (default)

•

•

•

000000010 = 4

000000001 = 3

000000000 = 2

REGISTER 8-4: OSCTUN: FRC OSCILLATOR TUNING REGISTER

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— —		T U
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 TUN<5:0>: FRC Oscillator Tuning bits

011111 = Maximum frequency deviation of 1.457% (7.477 MHz)

011110 = Center frequency + 1.41% (7.474 MHz)

•

•

.

000001 = Center frequency + 0.047% (7.373 MHz)

000000 = Center frequency (7.37 MHz nominal)

111111 = Center frequency - 0.047% (7.367 MHz)

•

•

.

100001 = Center frequency - 1.457% (7.263 MHz)

100000 = Minimum frequency deviation of -1.5% (7.259 MHz)

Note 1: OSCTUN functionality has been provided to help customers compensate for temperature effects on the FRC frequency over a wide range of temperatures. The tuning step size is an approximation and is neither characterized nor tested.

REGISTER 8-5: ACLKCON: AUXILIARY CLOCK DIVISOR CONTROL REGISTER

R/W-0 R-0 R/W-1 U-0 U-0 R/W-1 R/W-1 R/W-1
ENAPLL APLLCK SELACLK		— — AP	STSCLR2 AP	$TSCLR1 APS	TSCLR0
bit 15 bit 8

R/W-0 R/W-0 U-0 U-0 U-0 U-0 U-0 U-0
ASRCSEL FRCSEL		———	———
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15 ENAPLL: Auxiliary PLL Enable bit

1 = APLL is enabled

0 = APLL is disabled

bit 14 APLLCK: APLL Locked Status bit (read-only)

1 = Indicates that Auxiliary PLL is in lock

0 = Indicates that Auxiliary PLL is not in lock

bit 13 SELACLK: Select Auxiliary Clock Source for Auxiliary Clock Divider bit

1 = Auxiliary oscillators provide the source clock for the auxiliary clock divider

0 = Primary PLL (Fvco) provides the source clock for the auxiliary clock divider

bit 12-11 Unimplemented: Read as '0'

bit 10-8 APSTSCLR<2:0>: Auxiliary Clock Output Divider bits

111 = Divided by 1

110 = Divided by 2

101 = Divided by 4

100 = Divided by 8

011 = Divided by 16

010 = Divided by 32

001 = Divided by 64

000 = Divided by 256

bit 7 ASRCSEL: Select Reference Clock Source for Auxiliary Clock bit

1 = Primary oscillator is the clock source

0 = No clock input is selected

bit 6 FRCSEL: Select Reference Clock Source for Auxiliary PLL bit

1 = Selects the FRC clock for Auxiliary PLL

0 = Input clock source is determined by the ASRCSEL bit setting

bit 5-0 Unimplemented: Read as '0'

REGISTER 8-6: REFOCON: REFERENCE OSCILLATOR CONTROL REGISTER

R/W-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
ROON	— ROSSLP ROSEL RODIV3		(1)	RODIV2^(1)	RODIV1^(1)	RODIV0^(1)
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 ROON: Reference Oscillator Output Enable bit

1 = Reference oscillator output is enabled on the RPnpin(2)

0 = Reference oscillator output is disabled

bit 14 Unimplemented: Read as '0'

bit 13 ROSSLP: Reference Oscillator Run in Sleep bit

1 = Reference oscillator output continues to run in Sleep

0 = Reference oscillator output is disabled in Sleep

bit 12 ROSEL: Reference Oscillator Source Select bit

1 = Oscillator crystal is used as the reference clock

0 = System clock is used as the reference clock

bit 11-8 RODIV<3:0>: Reference Oscillator Divider bits (1)

1111 = Reference clock divided by 32,768

1110 = Reference clock divided by 16,384

1101 = Reference clock divided by 8,192

1100 = Reference clock divided by 4,096

1011 = Reference clock divided by 2,048

1010 = Reference clock divided by 1,024

1001 = Reference clock divided by 512

1000 = Reference clock divided by 256

0111 = Reference clock divided by 128

0110 = Reference clock divided by 64

0101 = Reference clock divided by 32

0100 = Reference clock divided by 16

0011 = Reference clock divided by 8

0010 = Reference clock divided by 4

0001 = Reference clock divided by 2

0000 = Reference clock

bit 7-0 Unimplemented: Read as '0'

Note 1: The reference oscillator output must be disabled (ROON = 0) before writing to these bits.

2: This pin is remappable. See Section 10.4 "Peripheral Pin Select (PPS)" for more information.

REGISTER 8-7: LFSR: LINEAR FEEDBACK SHIFT REGISTER

U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	L	F
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

LFSR<7:0>

bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 Unimplemented: Read as '0'

bit 14-0 LFSR<14:0>: Pseudorandom Data bits

9.0 POWER-SAVING FEATURES

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Watchdog Timer and Power-Saving Modes” (DS70615) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family devices provide the ability to manage power consumption by selectively managing clocking to the CPU and the peripherals. In general, a lower clock frequency and a reduction in the number of peripherals being clocked constitutes lower consumed power.

dsPIC33EPXXGS50X family devices can manage power consumption in four ways:

• Clock Frequency
• Instruction-Based Sleep and Idle modes
• Software-Controlled Doze mode
• Selective Peripheral Control in Software

Combinations of these methods can be used to selectively tailor an application's power consumption while still maintaining critical application features, such as timing-sensitive communications.

9.1 Clock Frequency and Clock Switching

The dsPIC33EPXXGS50X family devices allow a wide range of clock frequencies to be selected under application control. If the system clock configuration is not locked, users can choose low-power or high-precision oscillators by simply changing the NOSCx bits (OSCCON<10:8>). The process of changing a system clock during operation, as well as limitations to the process, are discussed in more detail in Section 8.0 "Oscillator Configuration".

9.2 Instruction-Based Power-Saving Modes

The dsPIC33EPXXGS50X family devices have two special power-saving modes that are entered through the execution of a special PWRSAV instruction. Sleep mode stops clock operation and halts all code execution. Idle mode halts the CPU and code execution, but allows peripheral modules to continue operation. The assembler syntax of the PWRSAV instruction is shown in Example 9-1.

Note: SLEEP_MODE and IDLE_MODE are constants defined in the assembler include file for the selected device.

Sleep and Idle modes can be exited as a result of an enabled interrupt, WDT time-out or a device Reset. When the device exits these modes, it is said to "wake-up".

EXAMPLE 9-1: PWRSAV INSTRUCTION SYNTAX

PWRSAV #SLEEP_MODE ; Put the device into Sleep mode PWRSAV #IDLE_MODE ; Put the device into Idle mode

9.2.1 SLEEP MODE

The following occurs in Sleep mode:

• The system clock source is shut down. If an on-chip oscillator is used, it is turned off.
• The device current consumption is reduced to a minimum, provided that no I/O pin is sourcing current.
• The Fail-Safe Clock Monitor does not operate, since the system clock source is disabled.
• The LPRC clock continues to run in Sleep mode if the WDT is enabled.
• The WDT, if enabled, is automatically cleared prior to entering Sleep mode.
• Some device features or peripherals can continue to operate. This includes items such as the Input Change Notification on the I/O ports or peripherals that use an external clock input.
• Any peripheral that requires the system clock source for its operation is disabled.

The device wakes up from Sleep mode on any of the these events:

• Any interrupt source that is individually enabled
• Any form of device Reset
  • A WDT time-out

On wake-up from Sleep mode, the processor restarts with the same clock source that was active when Sleep mode was entered.

For optimal power savings, the internal regulator and the Flash regulator can be configured to go into standby when Sleep mode is entered by clearing the VREGS (RCON<8>) and VREGSF (RCON<11>) bits (default configuration).

If the application requires a faster wake-up time, and can accept higher current requirements, the VREGS (RCON<8>) and VREGSF (RCON<11>) bits can be set to keep the internal regulator and the Flash regulator active during Sleep mode.

9.2.2 IDLE MODE

The following occurs in Idle mode:

• The CPU stops executing instructions.
  • The WDT is automatically cleared.
• The system clock source remains active. By default, all peripheral modules continue to operate normally from the system clock source, but can also be selectively disabled (see Section 9.4 "Peripheral Module Disable").

- If the WDT or FSCM is enabled, the LPRC also remains active.

The device wakes from Idle mode on any of these events:

• Any interrupt that is individually enabled
• Any device Reset
• A WDT time-out

On wake-up from Idle mode, the clock is reapplied to the CPU and instruction execution will begin (2-4 clock cycles later), starting with the instruction following the PWRSAV instruction or the first instruction in the ISR.

All peripherals also have the option to discontinue operation when Idle mode is entered to allow for increased power savings. This option is selectable in the control register of each peripheral (for example, the TSIDL bit in the Timer1 Control register (T1CON<13>).

9.2.3 INTERRUPTS COINCIDENT WITH POWER SAVE INSTRUCTIONS

Any interrupt that coincides with the execution of a PWRSAV instruction is held off until entry into Sleep or Idle mode has completed. The device then wakes up from Sleep or Idle mode.

9.3 Doze Mode

The preferred strategies for reducing power consumption are changing clock speed and invoking one of the power-saving modes. In some circumstances, this cannot be practical. For example, it may be necessary for an application to maintain uninterrupted synchronous communication, even while it is doing nothing else. Reducing system clock speed can introduce communication errors, while using a power-saving mode can stop communications completely.

Doze mode is a simple and effective alternative method to reduce power consumption while the device is still executing code. In this mode, the system clock continues to operate from the same source and at the same speed. Peripheral modules continue to be clocked at the same speed, while the CPU clock speed is reduced. Synchronization between the two clock domains is maintained, allowing the peripherals to access the SFRs while the CPU executes code at a slower rate.

Doze mode is enabled by setting the DOZEN bit (CLKDIV<11>). The ratio between peripheral and core clock speed is determined by the DOZE<2:0> bits (CLKDIV<14:12>). There are eight possible configurations, from 1:1 to 1:128, with 1:1 being the default setting.

Programs can use Doze mode to selectively reduce power consumption in event-driven applications. This allows clock-sensitive functions, such as synchronous communications, to continue without interruption while the CPU Idles, waiting for something to invoke an interrupt routine. An automatic return to full-speed CPU operation on interrupts can be enabled by setting the ROI bit (CLKDIV<15>). By default, interrupt events have no effect on Doze mode operation.

9.4 Peripheral Module Disable

The Peripheral Module Disable (PMD) registers provide a method to disable a peripheral module by stopping all clock sources supplied to that module. When a peripheral is disabled using the appropriate PMD control bit, the peripheral is in a minimum power consumption state. The control and status registers associated with the peripheral are also disabled, so writes to those registers do not have any effect and read values are invalid.

A peripheral module is enabled only if both the associated bit in the PMD register is cleared and the peripheral is supported by the specific dsPIC® DSC variant. If the peripheral is present in the device, it is enabled in the PMD register by default.

Note: If a PMD bit is set, the corresponding module is disabled after a delay of one instruction cycle. Similarly, if a PMD bit is cleared, the corresponding module is enabled after a delay of one instruction cycle (assuming the module control registers are already configured to enable module operation).

9.5 Power-Saving Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

9.5.1 KEY RESOURCES

• "Watchdog Timer and Power-Saving Modes" (DS70615) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

REGISTER 9-1: PMD1: PERIPHERAL MODULE DISABLE CONTROL REGISTER 1

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 R/W-0 U-0
T5MD T4MD T3MD T2MD T1MD			— PWMMD —
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 R/W-0
I2C1MD U2MD U1MD SPI2MD SPI1MD			— — ADCMD
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 T5MD: Timer5 Module Disable bit

1 = Timer5 module is disabled

0 = Timer5 module is enabled

bit 14 T4MD: Timer4 Module Disable bit

1 = Timer4 module is disabled

0 = Timer4 module is enabled

bit 13 T3MD: Timer3 Module Disable bit

1 = Timer3 module is disabled

0 = Timer3 module is enabled

bit 12 T2MD: Timer2 Module Disable bit

1 = Timer2 module is disabled

0 = Timer2 module is enabled

bit 11 T1MD: Timer1 Module Disable bit

1 = Timer1 module is disabled

0 = Timer1 module is enabled

bit 10 Unimplemented: Read as '0'

bit 9 PWMMD: PWMx Module Disable bit

1 = PWMx module is disabled

0 = PWMx module is enabled

bit 8 Unimplemented: Read as '0'

bit 7 I2C1MD: I2C1 Module Disable bit

1 = I2C1 module is disabled

0 = I2C1 module is enabled

bit 6 U2MD: UART2 Module Disable bit

1 = UART2 module is disabled

0 = UART2 module is enabled

bit 5 U1MD: UART1 Module Disable bit

1 = UART1 module is disabled

0 = UART1 module is enabled

bit 4 SPI2MD: SPI2 Module Disable bit

1 = SPI2 module is disabled

0 = SPI2 module is enabled

bit 3 SPI1MD: SPI1 Module Disable bit

1 = SPI1 module is disabled

0 = SPI1 module is enabled

bit 2-1 Unimplemented: Read as '0'

bit 0 ADCMD: ADC Module Disable bit

1 = ADC module is disabled

0 = ADC module is enabled

REGISTER 9-2: PMD2: PERIPHERAL MODULE DISABLE CONTROL REGISTER 2

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— IC4MD IC3	MD IC2MD IC1	MD
bit 15 bit 8

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— OC4MD OC	3MD OC2MD	OC1MD
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11 IC4MD: Input Capture 4 Module Disable bit

1 = Input Capture 4 module is disabled

0 = Input Capture 4 module is enabled

bit 10 IC3MD: Input Capture 3 Module Disable bit

1 = Input Capture 3 module is disabled

0 = Input Capture 3 module is enabled

bit 9 IC2MD: Input Capture 2 Module Disable bit

1 = Input Capture 2 module is disabled

0 = Input Capture 2 module is enabled

bit 8 IC1MD: Input Capture 1 Module Disable bit

1 = Input Capture 1 module is disabled

0 = Input Capture 1 module is enabled

bit 7-4 Unimplemented: Read as '0'

bit 3 OC4MD: Output Compare 4 Module Disable bit

1 = Output Compare 4 module is disabled

0 = Output Compare 4 module is enabled

bit 2 OC3MD: Output Compare 3 Module Disable bit

1 = Output Compare 3 module is disabled

0 = Output Compare 3 module is enabled

bit 1 OC2MD: Output Compare 2 Module Disable bit

1 = Output Compare 2 module is disabled

0 = Output Compare 2 module is enabled

bit 0 OC1MD: Output Compare 1 Module Disable bit

1 = Output Compare 1 module is disabled

0 = Output Compare 1 module is enabled

REGISTER 9-3: PMD3: PERIPHERAL MODULE DISABLE CONTROL REGISTER 3

U-0 U-0 U-0 U-0 U-0 R/W-0 U-0 U-0
— — —	— — CMPMD	— —
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 R/W-0 U-0
— — —	— — — I2C2MD —
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-11 Unimplemented: Read as '0'

bit 10	CMPMD: Comparator Module Disable bit
	1 = Comparator module is disabled
	0 = Comparator module is enabled

bit 9-2 Unimplemented: Read as '0'

bit 1	I2C2MD: I2C2 Module Disable bit
	1 = I2C2 module is disabled
	0 = I2C2 module is enabled

bit 0 Unimplemented: Read as '0'

REGISTER 9-4: PMD4: PERIPHERAL MODULE DISABLE CONTROL REGISTER 4

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-4 Unimplemented: Read as '0'

bit 3

REFOMD: Reference Clock Module Disable bit1 = Reference clock module is disabled0 = Reference clock module is enabled

bit 2-0 Unimplemented: Read as '0'

REGISTER 9-5: PMD6: PERIPHERAL MODULE DISABLE CONTROL REGISTER 6

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	PWM5MD PW	M4MD PWM3	MD PWM2MD	PWM1MD
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	—— — — —
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12 PWM5MD: PWM5 Module Disable bit

1 = PWM5 module is disabled

0 = PWM5 module is enabled

bit 11 PWM4MD: PWM4 Module Disable bit

1 = PWM4 module is disabled

0 = PWM4 module is enabled

bit 10 PWM3MD: PWM3 Module Disable bit

1 = PWM3 module is disabled

0 = PWM3 module is enabled

bit 9 PWM2MD: PWM2 Module Disable bit

1 = PWM2 module is disabled

0 = PWM2 module is enabled

bit 8 PWM1MD: PWM1 Module Disable bit

1 = PWM1 module is disabled

0 = PWM1 module is enabled

bit 7-0 Unimplemented: Read as '0'

REGISTER 9-6: PMD7: PERIPHERAL MODULE DISABLE CONTROL REGISTER 7

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— CMP4MD	CMP3MD CMP	2MD CMP1MD
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 U-0
— — —	— — —	P	G	A	1	M	D	—
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11 CMP4MD: CMP4 Module Disable bit

1 = CMP4 module is disabled

0 = CMP4 module is enabled

bit 10 CMP3MD: CMP3 Module Disable bit

1 = CMP3 module is disabled

0 = CMP3 module is enabled

bit 9 CMP2MD: CMP2 Module Disable bit

1 = CMP2 module is disabled

0 = CMP2 module is enabled

bit 8 CMP1MD: CMP1 Module Disable bit

1 = CMP1 module is disabled

0 = CMP1 module is enabled

bit 7-2 Unimplemented: Read as '0'

1 = PGA1 module is disabled

0 = PGA1 module is enabled

bit 0 Unimplemented: Read as '0'

REGISTER 9-7: PMD8: PERIPHERAL MODULE DISABLE CONTROL REGISTER 8

U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0 U-0
— — —	— — PGA2MD ABGMD —
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 R/W-0 U-0
——	——	C	C	S	M	D	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-11 Unimplemented: Read as '0'

bit 10 PGA2MD: PGA2 Module Disable bit

1 = PGA2 module is disabled

0 = PGA2 module is enabled

bit 9 ABGMD: Band Gap Reference Voltage Disable bit

1 = Band gap reference voltage is disabled

0 = Band gap reference voltage is enabled

bit 8-2 Unimplemented: Read as '0'

bit 1 CCSMD: Constant-Current Source Module Disable bit

1 = Constant-current source module is disabled

0 = Constant-current source module is enabled

bit 0 Unimplemented: Read as '0'

NOTES:

10.0 I/O PORTS

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “I/O Ports” (DS70000598) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

Many of the device pins are shared among the peripherals and the Parallel I/O ports. All I/O input ports feature Schmitt Trigger inputs for improved noise immunity.

10.1 Parallel I/O (PIO) Ports

Generally, a Parallel I/O port that shares a pin with a peripheral is subservient to the peripheral. The peripheral's output buffer data and control signals are provided to a pair of multiplexers. The multiplexers select whether the peripheral or the associated port has ownership of the output data and control signals of

the I/O pin. The logic also prevents "loop through", in which a port's digital output can drive the input of a peripheral that shares the same pin. Figure 10-1 illustrates how ports are shared with other peripherals and the associated I/O pin to which they are connected.

When a peripheral is enabled and the peripheral is actively driving an associated pin, the use of the pin as a general purpose output pin is disabled. The I/O pin can be read, but the output driver for the parallel port bit is disabled. If a peripheral is enabled, but the peripheral is not actively driving a pin, that pin can be driven by a port.

All port pins have eight registers directly associated with their operation as digital I/Os. The Data Direction register (TRISx) determines whether the pin is an input or an output. If the data direction bit is a '1', then the pin is an input. All port pins are defined as inputs after a Reset. Reads from the latch (LATx), read the latch. Writes to the latch, write the latch. Reads from the port (PORTx), read the port pins, while writes to the port pins, write the latch.

Any bit and its associated data and control registers that are not valid for a particular device are disabled. This means the corresponding LATx and TRISx registers, and the port pin are read as zeros.

When a pin is shared with another peripheral or function that is defined as an input only, it is nevertheless regarded as a dedicated port because there is no other competing source of outputs.

FIGURE 10-1: BLOCK DIAGRAM OF A TYPICAL SHARED PORT STRUCTURE

graph TD
    subgraph Peripheral Module
        A["Peripheral Input Data"] --> B["Peripheral Module Enable"]
        B --> C["Peripheral Output Enable"]
        C --> D["Peripheral Output Data"]
    end

    subgraph Output Multiplexers
        E["1"] --> F["0"]
        G["1"] --> H["0"]
        I["0"] --> J["Output Enable"]
        K["1"] --> L["0"]
        M["I/O Pin"] --> N["I/O Pin"]
    end

    subgraph PIO Module
        O["TRISx Latch"] --> P["D Q"]
        P --> Q["Data Bus"]
        P --> R["WR TRISx"]
        P --> S["WR LATx + WR PORTx"]
        P --> T["Data Latch"]
        U["Read TRISx"] --> V["AND"]
        W["Read LATx"] --> X["AND"]
        Y["Read PORTx"] --> Z["AND"]
    end

    subgraph Input Data
        AA["Input Data"] --> AB["I/O Pin"]
    end

10.1.1 OPEN-DRAIN CONFIGURATION

In addition to the PORTx, LATx and TRISx registers for data control, port pins can also be individually configured for either digital or open-drain output. This is controlled by the Open-Drain Control x register, ODCx, associated with each port. Setting any of the bits configures the corresponding pin to act as an open-drain output.

The open-drain feature allows the generation of outputs other than VDD by using external pull-up resistors. The maximum open-drain voltage allowed on any pin is the same as the maximum VIH specification for that particular pin.

See the "Pin Diagrams" section for the available 5V tolerant pins and Table 26-11 for the maximum VIH specification for each pin.

10.2 Configuring Analog and Digital Port Pins

The ANSELx register controls the operation of the analog port pins. The port pins that are to function as analog inputs or outputs must have their corresponding ANSELx and TRISx bits set. In order to use port pins for I/O functionality with digital modules, such as timers, UARTs, etc., the corresponding ANSELx bit must be cleared.

The ANSELx register has a default value of 0xFFFF; therefore, all pins that share analog functions are analog (not digital) by default.

Pins with analog functions affected by the ANSELx registers are listed with a buffer type of analog in the Pinout I/O Descriptions (see Table 1-1).

If the TRISx bit is cleared (output) while the ANSELx bit is set, the digital output level ( V_OH or V_OL ) is converted by an analog peripheral, such as the ADC module or comparator module.

When the PORTx register is read, all pins configured as analog input channels are read as cleared (a low level).

Pins configured as digital inputs do not convert an analog input. Analog levels on any pin, defined as a digital input (including the ANx pins), can cause the input buffer to consume current that exceeds the device specifications.

10.2.1 I/O PORT WRITE/READ TIMING

One instruction cycle is required between a port direction change or port write operation and a read operation of the same port. Typically, this instruction would be a NOP, as shown in Example 10-1.

10.3 Input Change Notification (ICN)

The Input Change Notification function of the I/O ports allows devices to generate interrupt requests to the processor in response to a Change-of-State (COS) on selected input pins. This feature can detect input Change-of-States, even in Sleep mode, when the clocks are disabled. Every I/O port pin can be selected (enabled) for generating an interrupt request on a Change-of-State.

Three control registers are associated with the ICN functionality of each I/O port. The CNENx registers contain the ICN interrupt enable control bits for each of the input pins. Setting any of these bits enables an ICN interrupt for the corresponding pins.

Each I/O pin also has a weak pull-up and a weak pull-down connected to it. The pull-ups and pull-downs act as a current source, or sink source, connected to the pin, and eliminate the need for external resistors when push button or keypad devices are connected. The pull-ups and pull-downs are enabled separately, using the CNPUx and the CNPDx registers, which contain the control bits for each of the pins. Setting any of the control bits enables the weak pull-ups and/or pull-downs for the corresponding pins.

Note: Pull-ups and pull-downs on Input Change Notification pins should always be disabled when the port pin is configured as a digital output.

EXAMPLE 10-1: PORT WRITE/READ EXAMPLE

MOV 0xFF00, W0 ; Configure PORTB<15:8> ; as inputs
MOV W0, TRISB ; and PORTB<7:0> ; as outputs
NOP ; Delay 1 cycle
BTSS PORTB, #13 ; Next Instruction 

10.4 Peripheral Pin Select (PPS)

A major challenge in general purpose devices is providing the largest possible set of peripheral features, while minimizing the conflict of features on I/O pins. The challenge is even greater on low pin count devices. In an application where more than one peripheral needs to be assigned to a single pin, inconvenient work arounds in application code, or a complete redesign, may be the only option.

Peripheral Pin Select configuration provides an alternative to these choices by enabling peripheral set selection and placement on a wide range of I/O pins. By increasing the pinout options available on a particular device, users can better tailor the device to their entire application, rather than trimming the application to fit the device.

The Peripheral Pin Select configuration feature operates over a fixed subset of digital I/O pins. Users may independently map the input and/or output of most digital peripherals to any one of these I/O pins. Hardware safeguards are included that prevent accidental or spurious changes to the peripheral mapping once it has been established.

10.4.1 AVAILABLE PINS

The number of available pins is dependent on the particular device and its pin count. Pins that support the Peripheral Pin Select feature include the label, "RPn", in their full pin designation, where "n" is the remappable pin number. "RP" is used to designate pins that support both remappable input and output functions.

10.4.2 AVAILABLE PERIPHERALS

The peripherals managed by the Peripheral Pin Select are all digital only peripherals. These include general serial communications (UART and SPI), general purpose timer clock inputs, timer-related peripherals (input capture and output compare) and interrupt-on-change inputs.

In comparison, some digital only peripheral modules are never included in the Peripheral Pin Select feature. This is because the peripheral's function requires special I/O circuitry on a specific port and cannot be easily connected to multiple pins. One example includes I^2C modules. A similar requirement excludes all modules with analog inputs, such as the ADC Converter.

A key difference between remappable and non-remappable peripherals is that remappable peripherals are not associated with a default I/O pin. The peripheral must always be assigned to a specific I/O pin before it can be used. In contrast, non-remappable peripherals are always available on a default pin, assuming that the peripheral is active and not conflicting with another peripheral.

When a remappable peripheral is active on a given I/O pin, it takes priority over all other digital I/O and digital communication peripherals associated with the pin. Priority is given regardless of the type of peripheral that is mapped. Remappable peripherals never take priority over any analog functions associated with the pin.

10.4.3 CONTROLLING PERIPHERAL PIN SELECT

Peripheral Pin Select features are controlled through two sets of SFRs: one to map peripheral inputs and one to map outputs. Because they are separately controlled, a particular peripheral's input and output (if the peripheral has both) can be placed on any selectable function pin without constraint.

The association of a peripheral to a peripheral-selectable pin is handled in two different ways, depending on whether an input or output is being mapped.

10.4.4 INPUT MAPPING

The inputs of the Peripheral Pin Select options are mapped on the basis of the peripheral. That is, a control register associated with a peripheral dictates the pin it will be mapped to. The RPINRx registers are used to configure peripheral input mapping (see Register 10-1 through Register 10-19). Each register contains sets of 8-bit fields, with each set associated with one of the remappable peripherals. Programming a given peripheral's bit field with an appropriate 8-bit value maps the RPn pin with the corresponding value to that peripheral. For any given device, the valid range of values for any bit field corresponds to the maximum number of Peripheral Pin Selections supported by the device.

For example, Figure 10-2 illustrates remappable pin selection for the U1RX input.

FIGURE 10-2: REMAPPABLE INPUT FOR U1RX

graph LR
    RP0["RP0"] --> U1RXR["0 U1RXR<7:0>"]
    RP1["RP1"] --> U1RXR["0 U1RXR<7:0>"]
    RP2["RP2"] --> U1RXR["0 U1RXR<7:0>"]
    RPn["RPn"] --> U1RXR["0 U1RXR<7:0>"]
    U1RXR --> U1RXInput["Output U1RX Input to Peripheral"]
    Note["Note: For input only, Peripheral Pin Select functionality does not have priority over TRISx settings. Therefore, when configuring an RPn pin for input, the corresponding bit in the TRISx register must also be configured for input (set to '1')."]

10.4.4.1 Virtual Connections

The dsPIC33EPXXGS50X devices support six virtual RPn pins (RP176-RP181), which are identical in functionality to all other RPn pins, with the exception of pinouts. These six pins are internal to the devices and are not connected to a physical device pin.

These pins provide a simple way for inter-peripheral connection without utilizing a physical pin. For example, the output of the analog comparator can be connected to RP176 and the PWM Fault input can be configured for RP176 as well. This configuration allows the analog comparator to trigger PWM Faults without the use of an actual physical pin on the device.

TABLE 10-1: SELECTABLE INPUT SOURCES (MAPS INPUT TO FUNCTION)

Input Name^(1)	Function Name Register Configuration Bits
External Interrupt 1 INT1 RPINR0 INT1R<7:0>
External Interrupt 2 INT2 RPINR1 INT2R<7:0>
Timer1 External Clock T1CK RPINR2T1CKR<7:0>
Timer2 External Clock T2CK RPINR3T2CKR<7:0>
Timer3 External Clock T3CK RPINR3T3CKR<7:0>
Input Capture 1 IC1	RPINR7	IC1R<7:0>
Input Capture 2 IC2	RPINR7	IC2R<7:0>
Input Capture 3 IC3	RPINR8	IC3R<7:0>
Input Capture 4 IC4	RPINR8	IC4R<7:0>
Output Compare Fault A	OCFA	RPINR11	OCFAR<7:0>
PWM Fault 1	FLT1	RPINR12	FLT1R<7:0>
PWM Fault 2	FLT2	RPINR12	FLT2R<7:0>
PWM Fault 3	FLT3 RPINR13	FLT3R<7:0>
PWM Fault 4	FLT4 RPINR13	FLT4R<7:0>
UART1 Receive	U1RX	RPINR18	U1RXR<7:0>
UART1 Clear-to-Send	U1CTS	RPINR18	U1CTSR<7:0>
UART2 Receive	U2RX	RPINR19	U2RXR<7:0>
UART2 Clear-to-Send	U2CTS	RPINR19	U2CTSR<7:0>
SPI1 Data Input	SDI1	RPINR20	SDI1R<7:0>
SPI1 Clock Input	SCK1 RPINR20	SCK1R<7:0>
SPI1 Slave Select	SS1	RPINR21	SS1R<7:0>
SPI2 Data Input	SDI2	RPINR22	SDI2R<7:0>
SPI2 Clock Input	SCK2 RPINR22	SCK2R<7:0>
SPI2 Slave Select	SS2	RPINR23	SS2R<7:0>
PWM Synch Input 1	SYNC11	RPINR37	SYNC11R<7:0>
PWM Synch Input 2	SYNC12	RPINR38	SYNC12R<7:0>
PWM Fault 5	FLT5	RPINR42	FLT5R<7:0>
PWM Fault 6	FLT6	RPINR42	FLT6R<7:0>
PWM Fault 7	FLT7	RPINR43	FLT7R<7:0>
PWM Fault 8	FLT8	RPINR43	FLT8R<7:0>

Note 1: Unless otherwise noted, all inputs use the Schmitt Trigger input buffers.

10.4.5 OUTPUT MAPPING

In contrast to inputs, the outputs of the Peripheral Pin Select options are mapped on the basis of the pin. In this case, a control register associated with a particular pin dictates the peripheral output to be mapped. The RPORx registers are used to control output mapping. Each register contains sets of 6-bit fields, with each set associated with one RPn pin (see Register 10-20 through Register 10-38). The value of the bit field corresponds to one of the peripherals and that peripheral's output is mapped to the pin (see Table 10-2 and Figure 10-3).

A null output is associated with the output register Reset value of '0'. This is done to ensure that remappable outputs remain disconnected from all output pins by default.

FIGURE 10-3: MULTIPLEXING REMAPPABLE OUTPUTS FOR RPn

graph LR
    A["Default"] --> B["0"]
    C["U1TX Output"] --> D["1"]
    E["SDO2 Output"] --> F["2"]
    G["PWM5H Output"] --> H["53"]
    I["PWM5L Output"] --> J["54"]
    B --> K["Output Data"]
    D --> K
    F --> K
    H --> K
    J --> K
    K --> L["RPN"]
    L --> M["×"]
    M --> N["RPnR<5:0>"]

10.4.5.1 Mapping Limitations

The control schema of the peripheral select pins is not limited to a small range of fixed peripheral configurations. There are no mutual or hardware-enforced lockouts between any of the peripheral mapping SFRs. Literally any combination of peripheral mappings, across any or all of the RPn pins, is possible. This includes both many-to-one and one-to-many mappings of peripheral inputs, and outputs to pins. While such mappings may be technically possible from a configuration point of view, they may not be supportable from an electrical point of view.

TABLE 10-2: OUTPUT SELECTION FOR REMAPPABLE PINS (RPn)

Function RPnR<5:0> Output Name
Default PORT 000000 RPn tied to Default Pin
U1TX 000001 RPn tied to UART1 Transmit
1RTS	000010 RPn tied to UART1 Request-to-Send
U2TX 000011 RPn tied to UART2 Transmit
2RTS	000100 RPn tied to UART2 Request-to-Send
SDO1 000101 RPn tied to SPI1 Data Output
SCK1 000110 RPn tied to SPI1 Clock Output
1	000111 RPn tied to SPI1 Slave Select
SDO2 001000 RPn tied to SPI2 Data Output
SCK2 001001 RPn tied to SPI2 Clock Output
2	001010 RPn tied to SPI2 Slave Select
OC1 010000 RPn tied to Output Compare 1 Output
OC2 010001 RPn tied to Output Compare 2 Output
OC3 010010 RPn tied to Output Compare 3 Output
OC4 010011 RPn tied to Output Compare 4 Output
ACMP1 011000 RPn tied to Analog Comparator		1 Output
ACMP2 011001 RPn tied to Analog Comparator		2 Output
ACMP3 011010 RPn tied to Analog Comparator		3 Output
SYNCO1	101101	RPn tied to PWM Primary Master Time Base Sync Output
SYNCO2	101110	RPn tied to PWM Secondary Master Time Base Sync Output
REFCLKO	110001	RPn tied to Reference Clock Output
ACMP4 110010 RPn tied to Analog Comparator		4 Output
PWM4H	110011	RPn tied to PWM Output Pins Associated with PWM Generator 4
PWM4L	110100	RPn tied to PWM Output Pins Associated with PWM Generator 4
PWM5H	110101	RPn tied to PWM Output Pins Associated with PWM Generator 5
PWM5L	110110	RPn tied to PWM Output Pins Associated with PWM Generator 5

10.5 I/O Helpful Tips

1. In some cases, certain pins, as defined in Table 26-11 under "Injection Current", have internal protection diodes to VDD and Vss. The term, "Injection Current", is also referred to as "Clamp Current". On designated pins, with sufficient external current-limiting precautions by the user, I/O pin input voltages are allowed to be greater or less than the data sheet absolute maximum ratings, with respect to the Vss and VDD supplies. Note that when the user application forward biases either of the high or low side internal input clamp diodes, that the resulting current being injected into the device, that is clamped internally by the VDD and Vss power rails, may affect the ADC accuracy by four to six counts.
2. I/O pins that are shared with any analog input pin (i.e., ANx) are always analog pins by default after any Reset. Consequently, configuring a pin as an analog input pin automatically disables the digital input pin buffer and any attempt to read the digital input level by reading PORTx or LATx will always return a '0', regardless of the digital logic level on the pin. To use a pin as a digital I/O pin on a shared ANx pin, the user application needs to configure the Analog Pin Configuration registers in the I/O ports module (i.e., ANSELx) by setting the appropriate bit that corresponds to that I/O port pin to a '0'.

Note: Although it is not possible to use a digital input pin when its analog function is enabled, it is possible to use the digital I/O output function, TRISx = 0x0, while the analog function is also enabled. However, this is not recommended, particularly if the analog input is connected to an external analog voltage source, which would create signal contention between the analog signal and the output pin driver.

1. Most I/O pins have multiple functions. Referring to the device pin diagrams in this data sheet, the priorities of the functions allocated to any pins are indicated by reading the pin name from left-to-right. The left most function name takes precedence over any function to its right in the naming convention. For example: AN16/T2CK/T7CK/RC1; this indicates that AN16 is the highest priority in this example and will supersede all other functions to its right in the list. Those other functions to its right, even if enabled, would not work as long as any other function to its left was enabled. This rule applies to all of the functions listed for a given pin.
2. Each pin has an internal weak pull-up resistor and pull-down resistor that can be configured using the CNPUx and CNPDx registers, respectively. These resistors eliminate the need for external resistors in certain applications. The internal pull-up is up to \~(VDD - 0.8), not VDD. This value is still above the minimum VIH of CMOS and TTL devices.
3. When driving LEDs directly, the I/O pin can source or sink more current than what is specified in the VOH/LOH and VOL/LOL DC characteristics specification. The respective LOH and IOL current rating only applies to maintaining the corresponding output at or above the VOH, and at or below the VOL levels. However, for LEDs, unlike digital inputs of an externally connected device, they are not governed by the same minimum VIH/VIIL levels. An I/O pin output can safely sink or source any current less than that listed in the Absolute Maximum Ratings in Section 26.0 "Electrical Characteristics" of this data sheet. For example:

$$ \mathrm{VOH} = 2. 4 \mathrm{v} @ \mathrm{IOH} = - 8 \mathrm{mA} \text { and } \mathrm{VDD} = 3. 3 \mathrm{V} $$

The maximum output current sourced by any 8 mA I/O pin = 12 mA.

LED source current < 12 mA is technically permitted. Refer to the VOH/LOH graphs in Section 27.0 “DC and AC Device Characteristics Graphs” for additional information.

1. The Peripheral Pin Select (PPS) pin mapping rules are as follows:

a) Only one "output" function can be active on a given pin at any time, regardless if it is a dedicated or remappable function (one pin, one output).
b) It is possible to assign a "remappable output" function to multiple pins and externally short or tie them together for increased current drive.
c) If any "dedicated output" function is enabled on a pin, it will take precedence over any remappable "output" function.
d) If any "dedicated digital" (input or output) function is enabled on a pin, any number of "input" remappable functions can be mapped to the same pin.
e) If any "dedicated analog" function(s) are enabled on a given pin, "digital input(s)" of any kind will all be disabled, although a single "digital output", at the user's cautionary discretion, can be enabled and active as long as there is no signal contention with an external analog input signal. For example, it is possible for the ADC to convert the digital output logic level, or to toggle a digital output on a comparator or ADC input, provided there is no external analog input, such as for a built-in self-test.
f) Any number of "input" remappable functions can be mapped to the same pin(s) at the same time, including to any pin with a single output from either a dedicated or remappable "output".
g) The TRISx registers control only the digital I/O output buffer. Any other dedicated or remappable active "output" will automatically override the TRISx setting. The TRISx register does not control the digital logic "input" buffer. Remappable digital "inputs" do not automatically override TRISx settings, which means that the TRISx bit must be set to input for pins with only remappable input function(s) assigned.
h) All analog pins are enabled by default after any Reset and the corresponding digital input buffer on the pin has been disabled. Only the Analog Pin Select x (ANSELx) registers control the digital input buffer, not the TRISx register. The user must disable the analog function on a pin using the Analog Pin Select x registers in order to use any "digital input(s)" on a corresponding pin, no exceptions.

10.6 I/O Ports Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

10.6.1 KEY RESOURCES

• "I/O Ports" (DS70000598) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

10.7 Peripheral Pin Select Registers

REGISTER 10-1: RPINR0: PERIPHERAL PIN SELECT INPUT REGISTER 0

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
INT1R7	INT1R6	INT1R5	INT1R4	INT1R3	INT1R2	INT1R1	INT1R0
bit 15 bit 8

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 INT1R<7:0>: Assign External Interrupt 1 (INT1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

[Non-Text]

•

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 Unimplemented: Read as '0'

REGISTER 10-2: RPINR1: PERIPHERAL PIN SELECT INPUT REGISTER 1

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 INT2R<7:0>: Assign External Interrupt 2 (INT2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

[Non-Text]

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-3: RPINR2: PERIPHERAL PIN SELECT INPUT REGISTER 2

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
T1CKR7	T1CKR6	T1CKR5	T1CKR4	T1CKR3	T1CKR2	T1CKR1	T1CKR0
bit 15 bit 8

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 T1CKR<7:0>: Assign Timer1 External Clock (T1CK) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

•

[Non-Text]

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 Unimplemented: Read as '0'

REGISTER 10-4: RPINR3: PERIPHERAL PIN SELECT INPUT REGISTER 3

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
T3CKR7 T3	CKR6 T3CKR5	T3CKR4 T3CKR3 T3CKR2	T3CKR1	T3CKR0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
T2CKR7 T2	CKR6 T2CKR5	T2CKR4 T2CKR3 T2CKR2	T2CKR1	T2CKR0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-8 T3CKR<7:0>: Assign Timer3 External Clock (T3CK) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

。

0000001 = Input tied to RP1

0000000 = Input tied to Vss

bit 7-0 T2CKR<7:0>: Assign Timer2 External Clock (T2CK) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-5: RPINR7: PERIPHERAL PIN SELECT INPUT REGISTER 7

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IC2R7 IC2	R6	IC2R5 IC2R4	IC2R3 IC2R2	IC2R1 IC2R0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IC1R7 IC1	R6	IC1R5	IC1R4	IC1R3	IC1R2	IC1R1	IC1R0
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 IC2R<7:0>: Assign Input Capture 2 (IC2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 IC1R<7:0>: Assign Input Capture 1 (IC1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-6: RPINR8: PERIPHERAL PIN SELECT INPUT REGISTER 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IC4R7 IC4	R6	IC4R5	IC4R4	IC4R3	IC4R2	IC4R1	IC4R0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IC3R7 IC3R6 IC3R5 IC3R4 IC3R3 IC3R2 IC3R1 IC3R0
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR

'1' = Bit is set

'0' = Bit is cleared

x = Bit is unknown

bit 15-8 IC4R<7:0>: Assign Input Capture 4 (IC4) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 IC3R<7:0>: Assign Input Capture 3 (IC3) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-7: RPINR11: PERIPHERAL PIN SELECT INPUT REGISTER 11

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 OCFAR<7:0>: Assign Output Compare Fault A (OCFA) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-8: RPINR12: PERIPHERAL PIN SELECT INPUT REGISTER 12

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT2R7 FLT	T2R6 FLT2R5	FLT2R4 FLT2R3	FLT2R2 FLT	T2R1 FLT2R0
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT1R7 FLT	T1R6 FLT1R5	FLT1R4 FLT1R3	FLT1R2 FLT	T1R1	FLT1R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 FLT2R<7:0>: Assign PWM Fault 2 (FLT2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 FLT1R<7:0>: Assign PWM Fault 1 (FLT1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-9: RPINR13: PERIPHERAL PIN SELECT INPUT REGISTER 13

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT4R7	FLT4R6	FLT4R5	FLT4R4	FLT4R3	FLT4R2	FLT4R1	FLT4R0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT3R7	FLT3R6	FLT3R5	FLT3R4	FLT3R3	FLT3R2	FLT3R1	FLT3R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 FLT4R<7:0>: Assign PWM Fault 4 (FLT4) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

.

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 FLT3R<7:0>: Assign PWM Fault 3 (FLT3) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

•

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-10: RPINR18: PERIPHERAL PIN SELECT INPUT REGISTER 18

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
U1CTSR7 U1	1CTSR6 U1CT	SR5 U1CTSR4	U1CTSR3 U1	1CTSR2 U1C	TSR1 U1CTSR0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
U1RXR7	U1RXR6	U1RXR5	U1RXR4	U1RXR3	U1RXR2	U1RXR1	U1RXR0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 U1CTSR<7:0>: Assign UART1 Clear-to-Send (U1CTS) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

.

•

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 U1RXR<7:0>: Assign UART1 Receive (U1RX) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

•

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-11: RPINR19: PERIPHERAL PIN SELECT INPUT REGISTER 19

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
U2CTSR7	U2CTSR6	U2CTSR5	U2CTSR4	U2CTSR3	U2CTSR2	U2CTSR1	U2CTSR0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
U2RXR7	U2RXR6	U2RXR5	U2RXR4	U2RXR3	U2RXR2	U2RXR1	U2RXR0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 U2CTSR<7:0>: Assign UART2 Clear-to-Send (U2CTS) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

.

.

[Non-Text]

-

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 U2RXR<7:0>: Assign UART2 Receive (U2RX) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

•

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-12: RPINR20: PERIPHERAL PIN SELECT INPUT REGISTER 20

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SCK1INR7	SCK1INR6	SCK1INR5	SCK1INR4	SCK1INR3	SCK1INR2	SCK1INR1	SCK1INR0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SDI1R7	SDI1R6	SDI1R5	SDI1R4	SDI1R3	SDI1R2	SDI1R1	SDI1R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 SCK1INR<7:0>: Assign SPI1 Clock Input (SCK1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 SDI1R<7:0>: Assign SPI1 Data Input (SDI1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

。

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-13: RPINR21: PERIPHERAL PIN SELECT INPUT REGISTER 21

U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	—
bit 15 bit 8
R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
SS1R7	SS1R6	SS1R5	SS1R4	SS1R3	SS1R2	SS1R1	SS1R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 SS1R<7:0>: Assign SPI1 Slave Select (SS1) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-14: RPINR22: PERIPHERAL PIN SELECT INPUT REGISTER 22

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SCK2INR7	SCK2INR6	SCK2INR5	SCK2INR4	SCK2INR3	SCK2INR2	SCK2INR1	SCK2INR0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SDI2R7	SDI2R6	SDI2R5	SDI2R4	SDI2R3	SDI2R2	SDI2R1	SDI2R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 SCK2INR<7:0>: Assign SPI2 Clock Input (SCK2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

。

[Non-Text]

00000001 = Input tied to RPT

00000000 - Input tied to vss

bit 7-0 SDI2R<7:0>: Assign SPI2 Data Input (SDI2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-15: RPINR23: PERIPHERAL PIN SELECT INPUT REGISTER 23

U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	—
bit 15 bit 8
R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
SS2R7	SS2R6	SS2R5	SS2R4	SS2R3	SS2R2	SS2R1	SS2R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 SS2R<7:0>: Assign SPI2 Slave Select (SS2) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-16: RPINR37: PERIPHERAL PIN SELECT INPUT REGISTER 37

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SYNC1R7 S	YNC1R6 SYN	CI1R5 SYN	R4 SYN	SYNCI1R2	$YNCI1R1 SYN	CI1R0
bit 15 bit 8

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 SYNCI1R<7:0>: Assign PWM Synchronization Input 1 to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 Unimplemented: Read as '0'

REGISTER 10-17: RPINR38: PERIPHERAL PIN SELECT INPUT REGISTER 38

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-0 SYNCI2R<7:0>: Assign PWM Synchronization Input 2 to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-18: RPINR42: PERIPHERAL PIN SELECT INPUT REGISTER 42

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT6R7 FLT	T6R6 FLT6R5	FLT6R4 FLT6R3	FLT6R2 FLT6R1	FLT6R0
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT5R7 FLT	T5R6 FLT5R5	FLT5R4 FLT5R3	FLT5R2 FLT5R1	FLT5R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 FLT6R<7:0>: Assign PWM Fault 6 (FLT6) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 FLT5R<7:0>: Assign PWM Fault 5 (FLT5) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

.

[Non-Text]

•

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-19: RPINR43: PERIPHERAL PIN SELECT INPUT REGISTER 43

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT8R7	FLT8R6	FLT8R5	FLT8R4	FLT8R3	FLT8R2	FLT8R1	FLT8R0
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLT7R7	FLT7R6	FLT7R5	FLT7R4	FLT7R3	FLT7R2	FLT7R1	FLT7R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-8 FLT8R<7:0>: Assign PWM Fault 8 (FLT8) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

.

.

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

bit 7-0 FLT7R<7:0>: Assign PWM Fault 7 (FLT7) to the Corresponding RPn Pin bits

10110101 = Input tied to RP181

10110100 = Input tied to RP180

•

•

.

00000001 = Input tied to RP1

00000000 = Input tied to Vss

REGISTER 10-20: RPOR0: PERIPHERAL PIN SELECT OUTPUT REGISTER 0

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	33R5 RP33R4	RP33R3 RP33R2 RP33R1	RP33R0
bit 15 bit 8
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	32R5 RP32R4	RP32R3 RP32R2 RP32R1	RP32R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP33R<5:0>: Peripheral Output Function is Assigned to RP33 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP32R<5:0>: Peripheral Output Function is Assigned to RP32 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-21: RPOR1: PERIPHERAL PIN SELECT OUTPUT REGISTER 1

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	35R5	RP35R4	RP35R3	RP35R2	RP35R1	RP35R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	34R5	RP34R4	RP34R3	RP34R2	RP34R1	RP34R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP35R<5:0>: Peripheral Output Function is Assigned to RP35 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP34R<5:0>: Peripheral Output Function is Assigned to RP34 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-22: RPOR2: PERIPHERAL PIN SELECT OUTPUT REGISTER 2

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP37R5	RP37R4	RP37R3	RP37R2	RP37R1	RP37R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP36R5	RP36R4	RP36R3	RP36R2	RP36R1	RP36R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP37R<5:0>: Peripheral Output Function is Assigned to RP37 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP36R<5:0>: Peripheral Output Function is Assigned to RP36 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-23: RPOR3: PERIPHERAL PIN SELECT OUTPUT REGISTER 3

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP39R5	RP39R4	RP39R3	RP39R2	RP39R1	RP39R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP38R5	RP38R4	RP38R3	RP38R2	RP38R1	RP38R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP39R<5:0>: Peripheral Output Function is Assigned to RP39 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP38R<5:0>: Peripheral Output Function is Assigned to RP38 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-24: RPOR4: PERIPHERAL PIN SELECT OUTPUT REGISTER 4

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	41R5	RP41R4	RP41R3	RP41R2	RP41R1	RP41R0
bit 15 bit 8
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	40R5	RP40R4	RP40R3	RP40R2	RP40R1	RP40R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP41R<5:0>: Peripheral Output Function is Assigned to RP41 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP40R<5:0>: Peripheral Output Function is Assigned to RP40 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-25: RPOR5: PERIPHERAL PIN SELECT OUTPUT REGISTER 5

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	43R5	RP43R4	RP43R3	RP43R2	RP43R1	RP43R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	42R5	RP42R4	RP42R3	RP42R2	RP42R1	RP42R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP43R<5:0>: Peripheral Output Function is Assigned to RP43 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP42R<5:0>: Peripheral Output Function is Assigned to RP42 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-26: RPOR6: PERIPHERAL PIN SELECT OUTPUT REGISTER 6

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP45R5	RP45R4	RP45R3	RP45R2	RP45R1	RP45R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP44R5	RP44R4	RP44R3	RP44R2	RP44R1	RP44R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP45R<5:0>: Peripheral Output Function is Assigned to RP45 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP44R<5:0>: Peripheral Output Function is Assigned to RP44 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-27: RPOR7: PERIPHERAL PIN SELECT OUTPUT REGISTER 7

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP47R5	RP47R4	RP47R3	RP47R2	RP47R1	RP47R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP46R5	RP46R4	RP46R3	RP46R2	RP46R1	RP46R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP47R<5:0>: Peripheral Output Function is Assigned to RP47 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP46R<5:0>: Peripheral Output Function is Assigned to RP46 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-28: RPOR8: PERIPHERAL PIN SELECT OUTPUT REGISTER 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	49R5	RP49R4	RP49R3	RP49R2	RP49R1	RP49R0
bit 15 bit 8
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	48R5	RP48R4	RP48R3	RP48R2	RP48R1	RP48R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP49R<5:0>: Peripheral Output Function is Assigned to RP49 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP48R<5:0>: Peripheral Output Function is Assigned to RP48 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-29: RPOR9: PERIPHERAL PIN SELECT OUTPUT REGISTER 9

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	51R5	RP51R4	RP51R3	RP51R2	RP51R1	RP51R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	50R5	RP50R4	RP50R3	RP50R2	RP50R1	RP50R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP51R<5:0>: Peripheral Output Function is Assigned to RP51 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP50R<5:0>: Peripheral Output Function is Assigned to RP50 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-30: RPOR10: PERIPHERAL PIN SELECT OUTPUT REGISTER 10

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP53R5	RP53R4	RP53R3	RP53R2	RP53R1	RP53R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP52R5	RP52R4	RP52R3	RP52R2	RP52R1	RP52R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP53R<5:0>: Peripheral Output Function is Assigned to RP53 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP52R<5:0>: Peripheral Output Function is Assigned to RP52 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-31: RPOR11: PERIPHERAL PIN SELECT OUTPUT REGISTER 11

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP55R5	RP55R4	RP55R3	RP55R2	RP55R1	RP55R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP54R5	RP54R4	RP54R3	RP54R2	RP54R1	RP54R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP55R<5:0>: Peripheral Output Function is Assigned to RP55 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP54R<5:0>: Peripheral Output Function is Assigned to RP54 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-32: RPOR12: PERIPHERAL PIN SELECT OUTPUT REGISTER 12

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	57R5 RP57R4	RP57R3 RP57R2 RP57R1	RP57R0
bit 15 bit 8
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	56R5 RP56R4	RP56R3 RP56R2 RP56R1	RP56R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP57R<5:0>: Peripheral Output Function is Assigned to RP57 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP56R<5:0>: Peripheral Output Function is Assigned to RP56 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-33: RPOR13: PERIPHERAL PIN SELECT OUTPUT REGISTER 13

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	59R5 RP59R4	RP59R3 RP59R2 RP59R1	RP59R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	58R5	RP58R4	RP58R3	RP58R2	RP58R1	RP58R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP59R<5:0>: Peripheral Output Function is Assigned to RP59 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP58R<5:0>: Peripheral Output Function is Assigned to RP58 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-34: RPOR14: PERIPHERAL PIN SELECT OUTPUT REGISTER 14

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP61R5	RP61R4	RP61R3	RP61R2	RP61R1	RP61R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP60R5	RP60R4	RP60R3	RP60R2	RP60R1	RP60R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP61R<5:0>: Peripheral Output Function is Assigned to RP61 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP60R<5:0>: Peripheral Output Function is Assigned to RP60 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-35: RPOR15: PERIPHERAL PIN SELECT OUTPUT REGISTER 15

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP63R5	RP63R4	RP63R3	RP63R2	RP63R1	RP63R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP62R5	RP62R4	RP62R3	RP62R2	RP62R1	RP62R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP63R<5:0>: Peripheral Output Function is Assigned to RP63 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP62R<5:0>: Peripheral Output Function is Assigned to RP62 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-36: RPOR16: PERIPHERAL PIN SELECT OUTPUT REGISTER 16

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	177R5	RP177	R4	RP177R3	RP177R2	RP1	77R1
bit 15
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	176R5	RP176	R4	RP176R3	RP176R2	RP1	76R1
bit 7

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP177R<5:0>: Peripheral Output Function is Assigned to RP177 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP176R<5:0>: Peripheral Output Function is Assigned to RP176 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-37: RPOR17: PERIPHERAL PIN SELECT OUTPUT REGISTER 17

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	179R5	RP179R4	RP179R3	RP179R2	RP179R1	RP179R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — RP	178R5	RP178R4	RP178R3	RP178R2	RP178R1	RP178R0
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP179R<5:0>: Peripheral Output Function is Assigned to RP179 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP178R<5:0>: Peripheral Output Function is Assigned to RP178 Output Pin bits (see Table 10-2 for peripheral function numbers)

REGISTER 10-38: RPOR18: PERIPHERAL PIN SELECT OUTPUT REGISTER 18

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP181R5	RP181R4	RP181R3	RP181R2	RP181R1	RP181R0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	RP180R5	RP180R4	RP180R3	RP180R2	RP180R1	RP180R0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-8 RP181R<5:0>: Peripheral Output Function is Assigned to RP181 Output Pin bits (see Table 10-2 for peripheral function numbers)

bit 7-6 Unimplemented: Read as '0'

bit 5-0 RP180R<5:0>: Peripheral Output Function is Assigned to RP180 Output Pin bits (see Table 10-2 for peripheral function numbers)

NOTES:

11.0 TIMER1

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Timers” (DS70362) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The Timer1 module is a 16-bit timer that can operate as a free-running interval timer/counter.

The Timer1 module has the following unique features over other timers:

• Can be Operated in Asynchronous Counter mode from an External Clock Source
• The External Clock Input (T1CK) can Optionally be Synchronized to the Internal Device Clock and the Clock Synchronization is Performed after the Prescaler

A block diagram of Timer1 is shown in Figure 11-1.

The Timer1 module can operate in one of the following modes:

• Timer mode
• Gated Timer mode
  • Synchronous Counter mode
• Asynchronous Counter mode

In Timer and Gated Timer modes, the input clock is derived from the internal instruction cycle clock (F cy). In Synchronous and Asynchronous Counter modes, the input clock is derived from the external clock input at the T1CK pin.

The Timer modes are determined by the following bits:

- Timer Clock Source Control bit (TCS): T1CON<1>

- Timer Synchronization Control bit (TSYNC): T1CON<2>

- Timer Gate Control bit (TGATE): T1CON<6>

Timer control bit settings for different operating modes are provided in Table 11-1.

TABLE 11-1: TIMER MODE SETTINGS

Mode TCS	TGATE TSYNC
Timer 0	0	x
Gated Timer	0	1	x
Synchronous Counter	1	x	1
Asynchronous Counter	1	x	0

FIGURE 11-1: 16-BIT TIMER1 MODULE BLOCK DIAGRAM

graph TD
    A["T1CK"] --> B["Prescaler (/n)"]
    B --> C["Sync"]
    C --> D["0 1"]
    D --> E["x1"]
    E --> F["TMR1"]
    F --> G["Comparator"]
    G --> H["PR1"]
    H --> I["Set T1IF Flag"]
    I --> J["Latch"]
    J --> K["Data"]
    K --> L["ADC Trigger"]
    M["F_P(1)"] --> N["Prescaler (/n)"]
    N --> O["AND"]
    O --> P["10"]
    P --> Q["x1"]
    Q --> R["T1CLK"]
    S["TCP<1:0>"] --> N
    T["TSYNC"] --> D
    U["TGATE"] --> D
    V["TCS"] --> D
    W["TCLKPS<1:0>"] --> B
    X["TCP<1:0>"] --> B
    Y["TCP<1:0>"] --> B
    Z["STOP"] --> N
    AA["STOP"] --> N
    AB["STOP"] --> N
    AC["STOP"] --> N
    AD["STOP"] --> N
    AE["STOP"] --> N
    AF["STOP"] --> N
    AG["STOP"] --> N
    AH["STOP"] --> N
    AI["STOP"] --> N
    AJ["STOP"] --> N
    AK["STOP"] --> N
    AL["STOP"] --> N
    AM["STOP"] --> N
    AN["STOP"] --> N
    AO["STOP"] --> N
    AP["STOP"] --> N
    AQ["STOP"] --> N
    AR["STOP"] --> N
    AS["STOP"] --> N
    AT["STOP"] --> N
    AU["STOP"] --> N
    AV["STOP"] --> N
    AW["STOP"] --> N
    AX["STOP"] --> N
    AY["Gate Sync"] --> Z
    AZ["Falling Edge Detect"] --> Z
    BA["T1CLK"] --> F
    BB["Reset"] --> F
    BC["Equal"] --> G

Note 1: F_P is the peripheral clock.

11.1 Timer1 Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

11.1.1 KEY RESOURCES

• "Timers" (DS70362) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

11.2 Timer1 Control Register

REGISTER 11-1: T1CON: TIMER1 CONTROL REGISTER

R/W-0 U-0 R/W-0 U-0 U-0 U-0 U-0
TON^(1)	—	TSIDL	—	—	—	—	—
bit 15 bit 8

U-0	R/W-0	R/W-0	R/W-0	U-0	R/W-0	R/W-0	U-0
—	TGATE	TCKPS1	TCKPS0	—	TSYNC^(1)	TCS^(1)	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 TON: Timer1 On bit ^(1)

1 = Starts 16-bit Timer1

0 = Stops 16-bit Timer1

bit 14 Unimplemented: Read as '0'

bit 13 TSIDL: Timer1 Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode

0 = Continues module operation in Idle mode

bit 12-7 Unimplemented: Read as '0'

bit 6 TGATE: Timer1 Gated Time Accumulation Enable bit

When TCS = 1:

This bit is ignored.

When TCS = 0:

1 = Gated time accumulation is enabled

0 = Gated time accumulation is disabled

bit 5-4 TCKPS<1:0>: Timer1 Input Clock Prescale Select bits

11 = 1:256

10 = 1:64

01 = 1:8

00 = 1:1

bit 3 Unimplemented: Read as '0'

bit 2 TSYNC: Timer1 External Clock Input Synchronization Select bit ^(1)

When TCS = 1:

1 = Synchronizes external clock input

0 = Does not synchronize external clock input

When TCS = 0:

This bit is ignored.

bit 1 TCS: Timer1 Clock Source Select bit ^(1)

1 = External clock is from pin, T1CK (on the rising edge)

0 = Internal clock (FP)

bit 0 Unimplemented: Read as '0'

Note 1: When Timer1 is enabled in External Synchronous Counter mode (TCS = 1, TSYNC = 1, TON = 1), any attempts by user software to write to the TMR1 register are ignored.

NOTES:

12.0 TIMER2/3 AND TIMER4/5

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Timers” (DS70362) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The Timer2/3 and Timer4/5 modules are 32-bit timers, which can also be configured as four independent 16-bit timers with selectable operating modes.

As 32-bit timers, Timer2/3 and Timer4/5 operate in three modes:

• Two Independent 16-Bit Timers (e.g., Timer2 and Timer3) with All 16-Bit Operating modes (except Asynchronous Counter mode)
• Single 32-Bit Timer
  • Single 32-Bit Synchronous Counter

They also support these features:

• Timer Gate Operation
• Selectable Prescaler Settings
• Timer Operation during Idle and Sleep modes
• Interrupt on a 32-Bit Period Register Match
• Time Base for Input Capture and Output Compare modules (Timer2 and Timer3 only)

Individually, all four of the 16-bit timers can function as synchronous timers or counters. They also offer the features listed previously, except for the event trigger; this is implemented only with Timer2/3. The operating modes and enabled features are determined by setting the appropriate bit(s) in the T2CON, T3CON, T4CON and T5CON registers. T2CON and T4CON are shown in generic form in Register 12-1. T3CON and T5CON are shown in Register 12-2.

For 32-bit timer/counter operation, Timer2 and Timer4 are the least significant word (lsw); Timer3 and Timer5 are the most significant word (msw) of the 32-bit timers.

Note: For 32-bit operation, T3CON and T5CON control bits are ignored. Only T2CON and T4CON control bits are used for setup and control. Timer2 and Timer4 clock and gate inputs are utilized for the 32-bit timer modules, but an interrupt is generated with the Timer3 and Timer5 interrupt flags.

A block diagram for an example 32-bit timer pair (Timer2/3 and Timer4/5) is shown in Figure 12-2.

12.1 Timer Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

12.1.1 KEY RESOURCES

• "Timers" (DS70362) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

FIGURE 12-1: TIMERx BLOCK DIAGRAM (x = 2 THROUGH 5)

graph TD
    TxCK["TxCK"] --> A["Amplifier"]
    A --> B["Prescaler (/n)"]
    B --> C["Sync"]
    C --> D["x1"]
    D --> E["TGATE TCS"]
    E --> F["TCLK"]
    F --> G["TMRx"]
    G --> H["Comparator"]
    H --> I["PRx"]
    I --> J["Data CLK"]
    J --> K["Latch"]
    K --> L["Set TxIF Flag"]
    L --> M["Falling Edge Detect"]
    M --> N["Gate Sync"]
    N --> O["FPS(1)"]
    O --> P["Prescaler (/n)"]
    P --> Q["TCKPS<1:0>"]
    Q --> R["AND Gate"]
    R --> S["1.0"]
    S --> T["TxCLK"]
    T --> U["Reset"]
    U --> V["TGATE"]
    V --> W["Latch"]
    W --> X["ADC Trigger(2)"]
    X --> Y["Data CLK"]

Note 1: F p is the peripheral clock.
2: The ADC trigger is only available on TMR2.

FIGURE 12-2: TYPE B/TYPE C TIMER PAIR BLOCK DIAGRAM (32-BIT TIMER)

graph TD
    TxCK["TxCK"] --> Prescaler1["Prescaler (/n)"]
    Prescaler1 --> Prescaler2["Prescaler (/n)"]
    Prescaler2 --> Sync["Sync"]
    Prescaler1 --> Negator["AND"]
    Negator --> Comparator["Comparator"]
    Comparator --> PRx["PRx"]
    Comparator --> PRy["PRy"]
    Comparator --> TGATE["TGATE"]
    Comparator --> Latch["Latch"]
    PRx --> Comparator
    PRy --> Comparator
    TGATE --> Comparator
    Latch --> Data["Data"]
    Data --> Reset["Reset"]
    Reset --> TMRx["TMRx"]
    Reset --> TMRy["TMRy"]
    TMRx --> TMRyHLD["TMRyHLD"]
    TMRy --> TMRx
    TMRx --> DataBus["Data Bus<15:0>"]
    TMRyHLD --> DataBus
    TMRx --> Counter1["Counter1"]
    Counter1 --> Negator
    Negator --> GateSync["Gate Sync"]
    GateSync --> FallingEdgeDetect["Falling Edge Detect"]
    FallingEdgeDetect --> SetTylFFlag["Set TylF Flag"]
    Counter1 --> Comparator
    Comparator --> PRx
    Comparator --> PRy
    Comparator --> TGATE
    Comparator --> Latch
    TGATE --> Data
    DataBus --> TMRx
    DataBus --> TMRyHLD
    TMRx --> TMRy
    TMRyHLD --> TMRx

Note 1: Timerx is a Type B timer (x = 2 and 4).
2: Timery is a Type C timer (y = 3 and 5).

12.2 Timer Control Registers

REGISTER 12-1: TxCON: (TIMER2 AND TIMER4) CONTROL REGISTER

R/W-0 U-0 R/W-0 U-0 U-0 U-0 U-0
TON	—	TSIDL	—	—	—	—	—
bit 15 bit 8

U-0	R/W-0	R/W-0	R/W-0	R/W-0	U-0	R/W-0	U-0
—	TGATE	TCKPS1	TCKPS0	T32	—	TCS^(1)	—
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15	TON: Timerx On bitWhen T32 = 1:1 = Starts 32-bit Timerx/y0 = Stops 32-bit Timerx/yWhen T32 = 0:1 = Starts 16-bit Timerx0 = Stops 16-bit Timerx
bit 14	Unimplemented: Read as ‘0’
bit 13	TSIDL: Timerx Stop in Idle Mode bit1 = Discontinues module operation when device enters Idle mode0 = Continues module operation in Idle mode
bit 12-7	Unimplemented: Read as ‘0’
bit 6	TGATE: Timerx Gated Time Accumulation Enable bitWhen TCS = 1:This bit is ignored.When TCS = 0:1 = Gated time accumulation is enabled0 = Gated time accumulation is disabled
bit 5-4	TCKPS<1:0>: Timerx Input Clock Prescale Select bits11 = 1:25610 = 1:6401 = 1:800 = 1:1
bit 3	T32: 32-Bit Timer Mode Select bit1 = Timerx and Timery form a single 32-bit timer0 = Timerx and Timery act as two 16-bit timers
bit 2	Unimplemented: Read as ‘0’
bit 1	TCS: Timerx Clock Source Select bit(1)1 = External clock is from pin, TxCK (on the rising edge)0 = Internal clock (FP)
bit 0	Unimplemented: Read as ‘0’

Note 1: The TxCK pin is not available on all devices. Refer to the "Pin Diagrams" section for the available pins.

REGISTER 12-2: TyCON: (TIMER3 AND TIMER5) CONTROL REGISTER

R/W-0 U-0 R/W-0 U-0 U-0 U-0 U-0
TON^(1)	—	T (2) S	—+—	—D	L
bit 15							bit 8

U-0	R/W-0	R/W-0	R/W-0	U-0	U-0	R/W-0	U-0
—	T(1)	GATEKPS1(1)	TCKPS0(1)	— —	TCS	(1,3)	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared x = Bit is unknown

bit 15 TON: Timery On bit ^(1)

1 = Starts 16-bit Timery

0 = Stops 16-bit Timery

bit 14 Unimplemented: Read as '0'

bit 13 TSIDL: Timery Stop in Idle Mode bit ^(2)

1 = Discontinues module operation when device enters Idle mode

0 = Continues module operation in Idle mode

bit 12-7 Unimplemented: Read as '0'

bit 6 TGATE: Timery Gated Time Accumulation Enable bit ^(1)

When TCS = 1:

This bit is ignored.

When TCS = 0:

1 = Gated time accumulation is enabled

0 = Gated time accumulation is disabled

bit 5-4 TCKPS<1:0>: Timery Input Clock Prescale Select bits ^(1)

11 = 1:256

10 = 1:64

01 = 1:8

00 = 1:1

bit 3-2 Unimplemented: Read as '0'

bit 1 TCS: Timery Clock Source Select bit ^(1,3)

1 = External clock is from pin, TyCK (on the rising edge)

0 = Internal clock (FP)

bit 0 Unimplemented: Read as '0'

Note 1: When 32-bit operation is enabled (TxCON<3>=1), these bits have no effect on Timery operation; all timer functions are set through TxCON.

2: When 32-bit timer operation is enabled (T32 = 1) in the Timerx Control register (TxCON<3>), the TSIDL bit must be cleared to operate the 32-bit timer in Idle mode.

3: The TyCK pin is not available on all devices. See the "Pin Diagrams" section for the available pins.

13.0 INPUT CAPTURE

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Input Capture" (DS70000352) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The input capture module is useful in applications requiring frequency (period) and pulse measurements. The dsPIC33EPXXGS50X family devices support four input capture channels.

Key features of the input capture module include:

- Hardware-Configurable for 32-Bit Operation in All modes by Cascading Two Adjacent Modules

• Synchronous and Trigger modes of Output Compare Operation, with up to 21 User-Selectable Trigger/Sync Sources Available
  • A 4-Level FIFO Buffer for Capturing and Holding Timer Values for Several Events
• Configurable Interrupt Generation
• Up to Six Clock Sources Available for Each Module, Driving a Separate Internal 16-Bit Counter

13.1 Input Capture Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

13.1.1 KEY RESOURCES

• "Input Capture" (DS70000352) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

FIGURE 13-1: INPUT CAPTURE x MODULE BLOCK DIAGRAM

graph TD
    A["ICx Pin"] --> B["Prescaler Counter 1:1/4/16"]
    B --> C["Edge Detect Logic and Clock Synchronizer"]
    C --> D["Event and Interrupt Logic"]
    D --> E["Set ICxIF"]
    F["ICx Clock Sources"] --> G["Clock Select"]
    G --> H["Increment"]
    H --> I["ICxTMR"]
    I --> J["4-Level FIFO Buffer"]
    J --> K["ICxBUF"]
    K --> L["ICOV, ICBNE"]
    M["Trigger and Sync Sources"] --> N["Trigger and Sync Logic"]
    N --> O["Reset"]
    O --> P["Increment"]
    P --> Q["ICxTMR"]
    Q --> R["4-Level FIFO Buffer"]
    R --> S["ICxBUF"]
    S --> T["System Bus"]
    U["SYNCSEL<4:0>(1)"] --> N
    V["ICTSEL<2:0>"] --> B
    W["ICM<2:0>"] --> C

Note 1: The trigger/sync source is enabled by default and is set to Timer3 as a source. This timer must be enabled for proper ICx module operation or the trigger/sync source must be changed to another source option.

13.2 Input Capture Registers

REGISTER 13-1: ICxCON1: INPUT CAPTURE x CONTROL REGISTER 1

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0
— — IC	SIDL ICTSEL2	ICTSEL1 ICTSEL0	—	—
bit 15 bit 8

U-0	R/W-0	R/W-0	R-0, HC, HS	R-0, HC, HS	R/W-0	R/W-0	R/W-0
—	ICI1	ICI0	ICOV	ICBNE	ICM2	ICM1	ICM0
bit 7 bit 0

Legend:	HC = Hardware Clearable bit	HS = Hardware Settable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13 ICSIDL: Input Capture x Stop in Idle Control bit

1 = Input capture will halt in CPU Idle mode

0 = Input capture will continue to operate in CPU Idle mode

bit 12-10 ICTSEL<2:0>: Input Capture x Timer Select bits

111 = Peripheral clock (FP) is the clock source of the ICx

110 = Reserved

101 = Reserved

100 = T1CLK is the clock source of the ICx (only the synchronous clock is supported)

011 = T5CLK is the clock source of the ICx

010 = T4CLK is the clock source of the ICx

001 = T2CLK is the clock source of the ICx

000 = T3CLK is the clock source of the ICx

bit 9-7 Unimplemented: Read as '0'

bit 6-5 ICI<1:0>: Number of Captures per Interrupt Select bits (this field is not used if ICM<2:0> = 001 or 111)

11 = Interrupt on every fourth capture event

10 = Interrupt on every third capture event

01 = Interrupt on every second capture event

00 = Interrupt on every capture event

bit 4 ICOV: Input Capture x Overflow Status Flag bit (read-only)

1 = Input capture buffer overflow has occurred

0 = No input capture buffer overflow has occurred

bit 3 ICBNE: Input Capture x Buffer Not Empty Status bit (read-only)

1 = Input capture buffer is not empty, at least one more capture value can be read

0 = Input capture buffer is empty

bit 2-0 ICM<2:0>: Input Capture x Mode Select bits

111 = Input Capture x functions as an interrupt pin only in CPU Sleep and Idle modes (rising edge detect only, all other control bits are not applicable)

110 = Unused (module is disabled)

101 = Capture mode, every 16th rising edge (Prescaler Capture mode)

100 = Capture mode, every 4th rising edge (Prescaler Capture mode)

011 = Capture mode, every rising edge (Simple Capture mode)

010 = Capture mode, every falling edge (Simple Capture mode)

001 = Capture mode, every rising and falling edge (Edge Detect mode, |CI<1:0>, is not used in this mode)

000 = Input Capture x is turned off

REGISTER 13-2: ICxCON2: INPUT CAPTURE x CONTROL REGISTER 2

Legend:	HS = Hardware Settable bit
R = Readable bit	W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-9 Unimplemented: Read as '0'

bit 8 IC32: Input Capture x 32-Bit Timer Mode Select bit (Cascade mode)

1 = Odd ICx and even ICx form a single 32-bit input capture module ^(1)

0 = Cascade module operation is disabled

bit 7 ICTRIG: Input Capture x Trigger Operation Select bit ^(2)

1 = Input source is used to trigger the input capture timer (Trigger mode)

0 = Input source is used to synchronize the input capture timer to a timer of another module (Synchronization mode)

bit 6 TRIGSTAT: Timer Trigger Status bit ^(3)

1 = ICxTMR has been triggered and is running

0 = ICxTMR has not been triggered and is being held clear

bit 5 Unimplemented: Read as '0'

Note 1: The IC32 bit in both the odd and even ICx must be set to enable Cascade mode.

2: The input source is selected by the SYNCSEL<4:0> bits of the ICxCON2 register.

3: This bit is set by the selected input source (selected by SYNCSEL<4:0> bits); it can be read, set and cleared in software.

4: Do not use the ICx module as its own sync or trigger source.

5: This option should only be selected as a trigger source and not as a synchronization source.

REGISTER 13-2: ICxCON2: INPUT CAPTURE x CONTROL REGISTER 2 (CONTINUED)
bit 4-0 SYNCSEL<4:0>: Input Source Select for Synchronization and Trigger Operation bits ^(4) 11111 = No sync or trigger source for ICx

11110 = Reserved

11101 = Reserved

11100 = Reserved

11011 = CMP4 module synchronizes or triggers ICx ^(5) 11010 = CMP3 module synchronizes or triggers ICx ^(5) 11001 = CMP2 module synchronizes or triggers ICx ^(5) 11000 = CMP1 module synchronizes or triggers ICx ^(5) 10111 = Reserved

10110 = Reserved

10101 = Reserved

10100 = Reserved

10011 = IC4 module interrupt synchronizes or triggers ICx

10010 = IC3 module interrupt synchronizes or triggers ICx

10001 = IC2 module interrupt synchronizes or triggers ICx

10000 = IC1 module interrupt synchronizes or triggers ICx

01111 = Timer5 synchronizes or triggers ICx

01110 = Timer4 synchronizes or triggers ICx

01101 = Timer3 synchronizes or triggers ICx(default)

01100 = Timer2 synchronizes or triggers ICx

01011 = Timer1 synchronizes or triggers ICx

01010 = Reserved

01001 = Reserved

01000 = IC4 module synchronizes or triggers ICx

00111 = IC3 module synchronizes or triggers ICx

00110 = IC2 module synchronizes or triggers ICx

00101 = IC1 module synchronizes or triggers ICx

00100 = OC4 module synchronizes or triggers ICx

00011 = OC3 module synchronizes or triggers ICx

00010 = OC2 module synchronizes or triggers ICx

00001 = OC1 module synchronizes or triggers ICx

00000 = No sync or trigger source for ICx

Note 1: The IC32 bit in both the odd and even ICx must be set to enable Cascade mode.

2: The input source is selected by the SYNCSEL<4:0> bits of the ICxCON2 register.
3: This bit is set by the selected input source (selected by SYNCSEL<4:0> bits); it can be read, set and cleared in software.
4: Do not use the ICx module as its own sync or trigger source.
5: This option should only be selected as a trigger source and not as a synchronization source.

14.0 OUTPUT COMPARE

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to "Output Compare with Dedicated Timer" (DS70005159) in the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The output compare module can select one of six available clock sources for its time base. The module compares the value of the timer with the value of one or two Compare registers, depending on the operating mode selected. The state of the output pin changes when the timer value matches the Compare register value. The output compare module generates either a

single output pulse, or a sequence of output pulses, by changing the state of the output pin on the compare match events. The output compare module can also generate interrupts on compare match events.

14.1 Output Compare Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

14.1.1 KEY RESOURCES

• "Output Compare with Dedicated Timer" (DS70005159) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

FIGURE 14-1: OUTPUT COMPARE x MODULE BLOCK DIAGRAM

graph TD
    A["Clock Select"] -->|Increment| B["Comparator"]
    A -->|Reset| C["OCxTMR"]
    A -->|Match Event| D["OCxRS Buffer"]
    A -->|Reset| E["OCxRS"]
    F["Trigger and Sync Sources"] --> G["Clock Select"]
    H["SYNCSEL<4:0> Trigger(1)"] --> I["Trigger and Sync Logic"]
    I --> J["Reset"]
    K["OCx Clock Sources"] --> L["Clock Select"]
    M["OCxR"] --> N["OCxR Buffer"]
    O["OCxCON1"] --> P["OCxCON2"]
    Q["OCxR Pin"] --> R["OCx Output and Fault Logic"]
    S["OCFA"] --> T["OCx Synchronization/Trigger Event"]
    U["OCx Interrupt"] --> V["OCx RS Buffer"]
    W["Rollover/Reset"] --> X["Comparator"]
    Y["Rollover"] --> Z["OCxTMR"]
    style A fill:#f9f,stroke:#333
    style F fill:#f9f,stroke:#333
    style H fill:#f9f,stroke:#333
    style Q fill:#f9f,stroke:#333
    style M fill:#f9f,stroke:#333
    style I fill:#f9f,stroke:#333
    style K fill:#f9f,stroke:#333
    style Q fill:#f9f,stroke:#333
    style R fill:#f9f,stroke:#333
    style S fill:#f9f,stroke:#333
    style T fill:#f9f,stroke:#333
    style U fill:#f9f,stroke:#333
    style V fill:#f9f,stroke:#333
    style W fill:#f9f,stroke:#333

Note 1: The trigger/sync source is enabled by default and is set to Timer2 as a source. This timer must be enabled for proper OCx module operation or the trigger/sync source must be changed to another source option.

14.2 Output Compare Control Registers

REGISTER 14-1: OCxCON1: OUTPUT COMPARE x CONTROL REGISTER 1

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0
— — O	CSIDL OCTSE	EL2 OCTSEL1	OCTSEL0 —	—
bit 15 bit 8

R/W-0	U-0	U-0	R/W-0, HSC	R/W-0	R/W-0	R/W-0	R/W-0
ENFLTA	—	—	OCFLTA	TRIGMODE	OCM2	OCM1	OCM0
bit 7 bit 0

Legend:	HSC = Hardware Settable/Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13 OCSIDL: Output Compare x Stop in Idle Mode Control bit

1 = Output Compare x halts in CPU Idle mode

0 = Output Compare x continues to operate in CPU Idle mode

bit 12-10 OCTSEL<2:0>: Output Compare x Clock Select bits

111 = Peripheral clock (FP)

110 = Reserved

101 = Reserved

100 = T1CLK is the clock source of the OCx (only the synchronous clock is supported)

011 = T5CLK is the clock source of the OCx

010 = T4CLK is the clock source of the OCx

001 = T3CLK is the clock source of the OCx

000 = T2CLK is the clock source of the OCx

bit 9-8 Unimplemented: Read as '0'

bit 7 ENFLTA: Fault A Input Enable bit

1 = Output Compare Fault A input (OCFA) is enabled

0 = Output Compare Fault A input (OCFA) is disabled

bit 6-5 Unimplemented: Read as '0'

bit 4 OCFLTA: PWM Fault A Condition Status bit

1 = PWM Fault A condition on the OCFA pin has occurred

0 = No PWM Fault A condition on the OCFA pin has occurred

bit 3 TRIGMODE: Trigger Status Mode Select bit

1 = TRIGSTAT (OCxCON2<6>) is cleared when OCxRS = OCxTMR or in software

0 = TRIGSTAT is cleared only by software

Note 1: OCxR and OCxRS are double-buffered in PWM mode only.

REGISTER 14-1: OCxCON1: OUTPUT COMPARE x CONTROL REGISTER 1 (CONTINUED)

bit 2-0 OCM<2:0>: Output Compare x Mode Select bits

111 = Center-Aligned PWM mode: Output is set high when OCxTMR = OCxR and set low when OCxTMR = OCxRS ^(1)
110 = Edge-Aligned PWM mode: Output is set high when OCxTMR = 0 and set low when OCxTMR = OCxR ^(1)
101 = Double Compare Continuous Pulse mode: Initializes OCx pin low, toggles OCx state continuously on alternate matches of OCxR and OCxRS
100 = Double Compare Single-Shot mode: Initializes OCx pin low, toggles OCx state on matches of OCxR and OCxRS for one cycle
011 = Single Compare mode: Compare event with OCxR, continuously toggles OCx pin
010 = Single Compare Single-Shot mode: Initializes OCx pin high, compare event with OCxR, forces OCx pin low
001 = Single Compare Single-Shot mode: Initializes OCx pin low, compare event with OCxR, forces OCx pin high
000 = Output compare channel is disabled

Note 1: OCxR and OCxRS are double-buffered in PWM mode only.

REGISTER 14-2: OCxCON2: OUTPUT COMPARE x CONTROL REGISTER 2

R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0 R/W-0
FLTMD FLTOUT FLTTRIEN OCINV				———	O	C	3
bit 15 bit 8

R/W-0	R/W-0, HS	R/W-0	R/W-0	R/W-1	R/W-1	R/W-0	R/W-0
OCTRIG	TRIGSTAT	OCTRIS	SYNCSEL4	SYNCSEL3	SYNCSEL2	SYNCSEL1	SYNCSEL0
bit 7 bit 0

Legend:	HS = Hardware Settable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 FLTMD: Fault Mode Select bit

1 = Fault mode is maintained until the Fault source is removed; the corresponding OCFLTA bit is cleared in software and a new PWMx period starts
0 = Fault mode is maintained until the Fault source is removed and a new PWMx period starts

bit 14 FLTOUT: Fault Out bit

1 = PWMx output is driven high on a Fault
0 = PWMx output is driven low on a Fault

bit 13 FLTTRIEN: Fault Output State Select bit

1 = OCx pin is tri-stated on a Fault condition
0 = OCx pin I/O state is defined by the FLTOUT bit on a Fault condition

bit 12 OCINV: Output Compare x Invert bit

1 = OCx output is inverted
0 = OCx output is not inverted

bit 11-9 Unimplemented: Read as '0'

bit 8 OC32: Cascade Two OCx Modules Enable bit (32-bit operation)

1 = Cascade module operation is enabled
0 = Cascade module operation is disabled

bit 7 OCTRIG: Output Compare x Trigger/Sync Select bit

1 = Triggers OCx from the source designated by the SYNCSELx bits
0 = Synchronizes OCx with the source designated by the SYNCSELx bits

bit 6 TRIGSTAT: Timer Trigger Status bit

1 = Timer source has been triggered and is running
0 = Timer source has not been triggered and is being held clear

bit 5 OCTRIS: Output Compare x Output Pin Direction Select bit

1 = OCx is tri-stated
0 = OCx module drives the OCx pin

Note 1: Do not use the OCx module as its own synchronization or trigger source.

2: When the OCy module is turned off, it sends a trigger out signal. If the OCx module uses the OCy module as a trigger source, the OCy module must be unselected as a trigger source prior to disabling it.

REGISTER 14-2: OCxCON2: OUTPUT COMPARE x CONTROL REGISTER 2 (CONTINUED)

bit 4-0 SYNCSEL<4:0>: Trigger/Synchronization Source Selection bits

11111 = OCxRS compare event is used for synchronization

11110 = INT2 pin synchronizes or triggers OCx

11101 = INT1 pin synchronizes or triggers OCx

11100 = Reserved

11011 = CMP4 module synchronizes or triggers OCx

11010 = CMP3 module synchronizes or triggers OCx

11001 = CMP2 module synchronizes or triggers OCx

11000 = CMP1 module synchronizes or triggers OCx

10111 = Reserved

10110 = Reserved

10101 = Reserved

10100 = Reserved

10011 = IC4 input capture interrupt event synchronizes or triggers OCx

10010 = IC3 input capture interrupt event synchronizes or triggers OCx

10001 = IC2 input capture interrupt event synchronizes or triggers OCx

10000 = IC1 input capture interrupt event synchronizes or triggers OCx

01111 = Timer5 synchronizes or triggers OCx

01110 = Timer4 synchronizes or triggers OCx

01101 = Timer3 synchronizes or triggers OCx

01100 = Timer2 synchronizes or triggers OCx(default)

01011 = Timer1 synchronizes or triggers OCx

01010 = Reserved

01001 = Reserved

01000 = IC4 input capture event synchronizes or triggers OCx

00111 = IC3 input capture event synchronizes or triggers OCx

00110 = IC2 input capture event synchronizes or triggers OCx

00101 = IC1 input capture event synchronizes or triggers OCx

00100 = OC4 module synchronizes or triggers OCx ^(1,2)

00011 = OC3 module synchronizes or triggers OCx ^(1,2)

00010 = OC2 module synchronizes or triggers OCx ^(1,2)

00001 = OC1 module synchronizes or triggers OCx ^(1,2)

00000 = No sync or trigger source for OCx

Note 1: Do not use the OCx module as its own synchronization or trigger source.

2: When the OCy module is turned off, it sends a trigger out signal. If the OCx module uses the OCy module as a trigger source, the OCy module must be unselected as a trigger source prior to disabling it.

NOTES:

15.0 HIGH-SPEED PWM

Note: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “High-Speed PWM Module” (DS70000323) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

The high-speed PWM module on dsPIC33EPXXGS50X devices supports a wide variety of PWM modes and output formats. This PWM module is ideal for power conversion applications, such as:

• AC/DC Converters
• DC/DC Converters
  • Power Factor Correction
• Uninterruptible Power Supply (UPS)
• Inverters
• Battery Chargers
• Digital Lighting

15.1 Features Overview

The high-speed PWM module incorporates the following features:

• Five PWMx Generators with Two Outputs per Generator
• Two Master Time Base Modules
• Individual Time Base and Duty Cycle for Each PWM Output
• Duty Cycle, Dead Time, Phase Shift and a Frequency Resolution of 1.04 ns
• Independent Fault and Current-Limit Inputs
• Redundant Output
  • True Independent Output
  • Center-Aligned PWM mode
  • Output Override Control
• Chop mode (also known as Gated mode)
• Special Event Trigger
• Dual Trigger from PWMx to Analog-to-Digital Converter (ADC)
• PWMxL and PWMxH Output Pin Swapping
• Independent PWMx Frequency, Duty Cycle and Phase-Shift Changes
  • Enhanced Leading-Edge Blanking (LEB) Functionality
• PWM Capture Functionality

Note: Duty cycle, dead time, phase shift and frequency resolution is 8.32 ns in Center-Aligned PWM mode.

Figure 15-1 conceptualizes the PWM module in a simplified block diagram. Figure 15-2 illustrates how the module hardware is partitioned for each PWMx output pair for the Complementary PWM mode.

The PWM module contains five PWM generators. The module has up to 10 PWMx output pins: PWM1H/PWM1L through PWM5H/PWM5L. For complementary outputs, these 10 I/O pins are grouped into high/low pairs.

15.2 Feature Description

The PWM module is designed for applications that require:

• High resolution at high PWM frequencies
- The ability to drive Standard, Edge-Aligned, Center-Aligned Complementary mode and Push-Pull mode outputs
• The ability to create multiphase PWM outputs

Two common, medium power converter topologies are push-pull and half-bridge. These designs require the PWM output signal to be switched between alternate pins, as provided by the Push-Pull PWM mode.

Phase-shifted PWM describes the situation where each PWM generator provides outputs, but the phase relationship between the generator outputs is specifiable and changeable.

Multiphase PWM is often used to improve DC/DC converter load transient response, and reduce the size of output filter capacitors and inductors. Multiple DC/DC converters are often operated in parallel, but phase shifted in time. A single PWM output, operating at 250 kHz, has a period of 4 s but an array of four PWM channels, staggered by 1 s each, yields an effective switching frequency of 1 MHz. Multiphase PWM applications typically use a fixed-phase relationship.

Variable phase PWM is useful in Zero Voltage Transition (ZVT) power converters. Here, the PWM duty cycle is always 50% and the power flow is controlled by varying the relative phase shift between the two PWM generators.

15.2.1 WRITE-PROTECTED REGISTERS

On dsPIC33EPXXGS50X family devices, write protection is implemented for the IOCONx and FCLCONx registers. The write protection feature prevents any inadvertent writes to these registers. This protection feature can be controlled by the PWMLOCK Configuration bit (FDEVOPT<0>). The default state of the write protection feature is enabled (PWMLOCK = 1). The write protection feature can be disabled by configuring PWMLOCK = 0.

To gain write access to these locked registers, the user application must write two consecutive values (0xABCD and 0x4321) to the PWMKEY register to perform the unlock operation. The write access to the IOCONx or FCLCONx registers must be the next SFR access following the unlock process. There can be no other SFR accesses during the unlock process and subsequent write access. To write to both the IOCONx and FCLCONx registers requires two unlock operations.

The correct unlocking sequence is described in Example 15-1.

EXAMPLE 15-1: PWM WRITE-PROTECTED REGISTER UNLOCK SEQUENCE

; Writing to FCLCON1 register requires unlock sequence
mov #0abcd, w10 ; Load first unlock key to w10 register
mov #0x4321, w11 ; Load second unlock key to w11 register
mov #0x0000, w0 ; Load desired value of FCLCON1 register in w0
mov w10, PWMKEY ; Write first unlock key to PWMKEY register
mov w11, PWMKEY ; Write second unlock key to PWMKEY register
mov w0, FCLCON1 ; Write desired value to FCLCON1 register
; Set PWM ownership and polarity using the IOCON1 register
; Writing to IOCON1 register requires unlock sequence
mov #0abcd, w10 ; Load first unlock key to w10 register
mov #0x4321, w11 ; Load second unlock key to w11 register
mov #0xF000, w0 ; Load desired value of IOCON1 register in w0
mov w10, PWMKEY ; Write first unlock key to PWMKEY register
mov w11, PWMKEY ; Write second unlock key to PWMKEY register
mov w0, IOCON1 ; Write desired value to IOCON1 register 

15.3 PWM Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

15.3.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

FIGURE 15-1: HIGH-SPEED PWM MODULE ARCHITECTURAL DIAGRAM

graph TD
    A["Data Bus"] --> B["Primary and Secondary Master Time Base"]
    B --> C["PWM Generator 1"]
    C --> D["CPU"]
    D --> E["PWM1 Interrupt"]
    D --> F["PWM2 Interrupt"]
    E --> G["PWM Generator 2"]
    F --> G
    G --> H["PWM3 through PWM4"]
    H --> I["PWM5 Interrupt"]
    H --> J["PWM5L"]
    I --> K["ADC Module"]
    J --> K
    K --> L["Primary Trigger"]
    K --> M["Secondary Trigger"]
    K --> N["Special Event Trigger"]
    L --> O["Data Bus"]
    M --> O
    N --> O
    O --> P["SYNCO1/SYNCO2"]
    O --> Q["PWM1H"]
    O --> R["PWM1L"]
    O --> S["PWM2H"]
    O --> T["PWM2L"]
    O --> U["PWM3 through PWM4"]
    U --> V["PWM5 Interrupt"]
    U --> W["PWM5H"]
    U --> X["PWM5L"]
    U --> Y["PWM5"]
    V --> Z["Synchronization Signal"]
    W --> AA["Synchronization Signal"]
    X --> AB["Synchronization Signal"]
    Y --> AC["Synchronization Signal"]
    Z --> AD["SyncI1/SYNCI2"]
    AA --> AE["SyncI1/SYNCI2"]
    AB --> AF["SyncI1/SYNCI2"]
    AC --> AG["SyncI1/SYNCI2"]
    AD --> AH["SyncI1/SYNCI2"]
    AE --> AI["SyncI1/SYNCI2"]
    AF --> AJ["SyncI1/SYNCI2"]
    AG --> AK["SyncI1/SYNCI2"]
    AH --> AL["SyncI1/SYNCI2"]
    AI --> AM["SyncI1/SYNCI2"]
    AJ --> AN["SyncI1/SYNCI2"]
    AK --> AO["SyncI1/SYNCI2"]
    AL --> AP["SyncI1/SYNCI2"]
    AM --> AQ["SyncI1/SYNCI2"]
    AN --> AR["SyncI1/SYNCI2"]

FIGURE 15-2: SIMPLIFIED CONCEPTUAL BLOCK DIAGRAM OF THE HIGH-SPEED PWM

graph TD
    subgraph "16-Bit Data Bus"
        A["PTCON, PTCON2 STCON, STCON2"] --> B["PWMKEY"]
        C["PTPER"] --> D["Comparator"]
        E["SEVTCMP"] --> F["Comparator"]
        G["Special Event Compare Trigger"] --> H["SYNCO1"]
        I["Master Time Base Counter"] --> J["PMTMR"]
        K["Clock Prescaler"] --> L["STPER"]
        M["SEVTCMP"] --> N["Comparator"]
        O["Special Event Postscaler"] --> P["Special Event Trigger"]
        Q["Master Time Base Counter"] --> R["SMTMR"]
        S["Clock Prescaler"] --> T["MDC"]
        U["Master Duty Cycle Register"] --> V["MDC"]
        W["PDCx"] --> X["MUX"]
        Y["PWMCAPx"] --> Z["PWMx Output Mode Control Logic"]
        AA["ADC Trigger"] --> AB["PWMx Output Mode Control Logic"]
        AC["User Override Logic"] --> AD["Fault Override Logic"]
        AE["Fault and Current-Limit Logic"] --> AF["Fault and Current-Limit Logic"]
        AG["Dead-Time Logic"] --> AH["Pin Control Logic"]
        AI["PWM1H"] --> AJ["PWM1L"]
    end

    subgraph "Synchronization"
        AK["Master PeriodMaster Period"] --> AL["PDCx"]
        AM["Master Duty CycleMaster Duty Cycle"] --> AN["PWMx Generator 1"]
        AO["Synchronization"] --> AP["PWMx Generator 2 – PWMx Generator 5"]
    end

    B --> D
    D --> F
    F --> H
    H --> I
    I --> J
    J --> K
    K --> L
    L --> M
    M --> N
    N --> O
    O --> P
    P --> Q
    Q --> A
    A --> AD
    AD --> AF
    AF --> AH
    AH --> AI
    AI --> AJ
    AJ --> AK
    AK --> AL
    AL --> AM
    AM --> AN
    AN --> AO
    AO --> AP
    AP --> AQ["PWMCONx AUXCONx"]
    AP --> AR["SPHASEx"]
    AP --> AS["STMRx"]
    AP --> AT["Interrupt Logic"]
    AP --> AU["ADC Trigger"]
    AP --> AV["Comparator"]
    AP --> AW["STRIGx"]
    AP --> AX["LEBCONx"]
    AP --> AY["DTRx"]
    AP --> AZ["ALTDDRx"]
    AP --> BA["FCLCONx"]
    AP --> BB["IOCONx"]
    AP --> BC["LEBCONx"]
    AP --> BD["FCLCONx"]
    AP --> BE["STRIGx"]
    AP --> BF["STRIGx"]
    AP --> BG["TRGCONx"]
    AP --> BH["ADC Trigger"]
    AP --> BI["PWMCONx"]
    AP --> BJ["PWMCONx"]
    AP --> BK["PWMCONx"]
    AP --> BL["PWMCONx"]
    AP --> BM["PWMCONx"]
    AP --> BN["PWMCONx"]
    AP --> BO["PWMCONx"]
    AP --> BP["PWMCONx"]
    AP --> BQ["PWMCONx"]

REGISTER 15-1: PTCON: PWMx TIME BASE CONTROL REGISTER

R/W-0 U-0 R/W-0 R-0, HSC R/W-0 R/W-0 R/W-0 R/W-0
PTEN	— PTSIDL SESTAT SEIEN EIPU				(1)	SYNCPOL^(1)	SYNCOEN^(1)
bit 15 bit 8

R/W-0 R/W-0		R/W-0		R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SYNCEN(1)	SYNCSRC2(1)	SYNCSRC1(1)	SYNCSRC0(1)	SEVTPS3(1)	SEVTPS2(1)	SEVTPS1(1)	SEVTPS0(1)
bit 7 bit 0

Legend:	HSC = Hardware Settable/Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 PTEN: PWMx Module Enable bit

1 = PWMx module is enabled

0 = PWMx module is disabled

bit 14 Unimplemented: Read as '0'

bit 13 PTSIDL: PWMx Time Base Stop in Idle Mode bit

1 = PWMx time base halts in CPU Idle mode

0 = PWMx time base runs in CPU Idle mode

bit 12 SESTAT: Special Event Interrupt Status bit

1 = Special event interrupt is pending

0 = Special event interrupt is not pending

bit 11 SEIEN: Special Event Interrupt Enable bit

1 = Special event interrupt is enabled

0 = Special event interrupt is disabled

bit 10 EIPU: Enable Immediate Period Updates bit ^(1)

1 = Active Period register is updated immediately

0 = Active Period register updates occur on PWMx cycle boundaries

bit 9 SYNCPOL: Synchronize Input and Output Polarity bit ^(1)

1 = SYNCIx/SYNCO1 polarity is inverted (active-low)

0 = SYNClx/SYNCO1 is active-high

bit 8 SYNCOEN: Primary Time Base Synchronization Enable bit (1)

1 = SYNCO1 output is enabled

0 = SYNCO1 output is disabled

bit 7 SYNCEN: External Time Base Synchronization Enable bit ^(1)

1 = External synchronization of primary time base is enabled

0 = External synchronization of primary time base is disabled

bit 6-4 SYNCSRC<2:0>: Synchronous Source Selection bits (1)

111 = Reserved

101 = Reserved

100 = Reserved

011 = Reserved

010 = Reserved

001 = SYNCI2

000 = SYNC1

Note 1: These bits should be changed only when PTEN = 0. In addition, when using the SYNClx feature, the user application must program the Period register with a value that is slightly larger than the expected period of the external synchronization input signal.

REGISTER 15-1: PTCON: PWMx TIME BASE CONTROL REGISTER (CONTINUED)

bit 3-0 SEVTPS<3:0>: PWMx Special Event Trigger Output Postscaler Select bits ^(1)

1111 = 1:16 Postscaler generates a Special Event Trigger on every sixteenth compare match event

•

•

•

0001 = 1:2 Postscaler generates a Special Event Trigger on every second compare match event

0000 = 1:1 Postscaler generates a Special Event Trigger on every compare match event

Note 1: These bits should be changed only when PTEN = 0. In addition, when using the SYNCIx feature, the user application must program the Period register with a value that is slightly larger than the expected period of the external synchronization input signal.

REGISTER 15-2: PTCON2: PWMx CLOCK DIVIDER SELECT REGISTER 2

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 15 bit 8

U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0
— — —	— — PCLKDIV<2:0>			(1)
bit 7 bit 0

Legend:
R = Readable bit W = Writable bit		U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-3 Unimplemented: Read as '0'

bit 2-0 PCLKDIV<2:0>: PWMx Input Clock Prescaler (Divider) Select bits ^(1)

111 = Reserved

110 = Divide-by-64, maximum PWM timing resolution

101 = Divide-by-32, maximum PWM timing resolution

100 = Divide-by-16, maximum PWM timing resolution

011 = Divide-by-8, maximum PWM timing resolution

010 = Divide-by-4, maximum PWM timing resolution

001 = Divide-by-2, maximum PWM timing resolution

000 = Divide-by-1, maximum PWM timing resolution (power-on default)

Note 1: These bits should be changed only when PTEN = 0. Changing the clock selection during operation will yield unpredictable results.

REGISTER 15-3: PTPER: PWMx PRIMARY MASTER TIME BASE PERIOD REGISTER (1,2)

R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1

PTPER<15:8>

bit 15 bit 8

R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0

PTPER<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-0 PTPER<15:0>: Primary Master Time Base (PMTMR) Period Value bits

Note 1: The PWMx time base has a minimum value of 0x0010 and a maximum value of 0xFFFF8.

2: Any period value that is less than 0x0028 must have the Least Significant 3 bits set to '0', thus yielding a period resolution at 8.32 ns (at fastest auxiliary clock rate).

REGISTER 15-4: SEVTCMP: PWMx SPECIAL EVENT COMPARE REGISTER (1)

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
			SEVTCMP<12:5>
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	U-0	U-0	U-0
SEVTCMP<4:0>					—	—	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-3 SEVTCMP<12:0>: Special Event Compare Count Value bits

bit 2-0 Unimplemented: Read as '0'

Note 1: One LSB = 1.04 ns (at fastest auxiliary clock rate); therefore, the minimum SEVTCMP resolution is 8.32 ns.

REGISTER 15-5: STCON: PWMx SECONDARY MASTER TIME BASE CONTROL REGISTER

U-0 U-0 U-0 R-0, HSC R/W-0 R/W-0 R/W-0 R/W-0
— — —	SESTAT SEIEN EIPU				(1)	SYNCPOL S	YNCOEN
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SYNCEN	SYNCSRC2	SYNCSRC1	SYNCSRC0	SEVTPS3	SEVTPS2	SEVTPS1	SEVTPS0
bit 7 bit 0

Legend:	HSC = Hardware Settable/Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12 SESTAT: Special Event Interrupt Status bit

1 = Secondary special event interrupt is pending

0 = Secondary special event interrupt is not pending

bit 11 SEIEN: Special Event Interrupt Enable bit

1 = Secondary special event interrupt is enabled

0 = Secondary special event interrupt is disabled

bit 10 EIPU: Enable Immediate Period Updates bit ^(1)

1 = Active Secondary Period register is updated immediately

0 = Active Secondary Period register updates occur on PWMx cycle boundaries

bit 9 SYNCPOL: Synchronize Input and Output Polarity bit

1 = SYNCIx/SYNCO2 polarity is inverted (active-low)

0 = SYNClx/SYNCO2 polarity is active-high

bit 8 SYNCOEN: Secondary Master Time Base Synchronization Enable bit

1 = SYNCO2 output is enabled

0 = SYNCO2 output is disabled

bit 7 SYNCEN: External Secondary Master Time Base Synchronization Enable bit

1 = External synchronization of secondary time base is enabled

0 = External synchronization of secondary time base is disabled

bit 6-4 SYNCSRC<2:0>: Secondary Time Base Sync Source Selection bits

111 = Reserved

101 = Reserved

100 = Reserved

011 = Reserved

010 = Reserved

001 = SYNCI2

000 = SYNCI1

bit 3-0 SEVTPS<3:0>: PWMx Secondary Special Event Trigger Output Postscaler Select bits

1111 = 1:16 Postcale

0001 = 1:2 Postcale

•

•

•

0000 = 1:1 Postscale

Note 1: This bit only applies to the secondary master time base period.

REGISTER 15-6: STCON2: PWMx SECONDARY CLOCK DIVIDER SELECT REGISTER 2

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 15 bit 8

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0
— — —	— — PCLKDIV<2:0>			(1)
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-3 Unimplemented: Read as '0'

bit 2-0 PCLKDIV<2:0>: PWMx Input Clock Prescaler (Divider) Select bits ^(1)

111 = Reserved
110 = Divide-by-64, maximum PWM timing resolution
101 = Divide-by-32, maximum PWM timing resolution
100 = Divide-by-16, maximum PWM timing resolution
011 = Divide-by-8, maximum PWM timing resolution
010 = Divide-by-4, maximum PWM timing resolution
001 = Divide-by-2, maximum PWM timing resolution
000 = Divide-by-1, maximum PWM timing resolution (power-on default)

Note 1: These bits should be changed only when PTEN = 0. Changing the clock selection during operation will yield unpredictable results.

REGISTER 15-7: STPER: PWMx SECONDARY MASTER TIME BASE PERIOD REGISTER ^(1,2)

R/W-1 R/W-1 R/W-1	R/W-1 R/W-1 R/W-1 R/W-1	R/W-1
STPER<15:8>
bit 15		bit 8

R/W-1 R/W-1 R/W-1	R/W-1 R/W-1 R/W-1 R/W-1	R/W-1
STPER<7:0>
bit 7		bit 0

Legend:

R = Readable bit	W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-0 STPER<15:0>: Secondary Master Time Base (SMTMR) Period Value bits

Note 1: The PWMx time base has a minimum value of 0x0010 and a maximum value of 0xFFFF8.

2: Any period value that is less than 0x0028 must have the Least Significant 3 bits set to '0', thus yielding a period resolution at 8.32 ns (at fastest auxiliary clock rate).

REGISTER 15-8: SSEVTCMP: PWMx SECONDARY SPECIAL EVENT COMPARE REGISTER (1)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SSEVTCMP<12:5>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0
SSEVTCMP<4:0>	———
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-3 SSEVTCMP<12:0>: Special Event Compare Count Value bits

bit 2-0 Unimplemented: Read as '0'

Note 1: One LSB = 1.04 ns (at fastest auxiliary clock rate); therefore, the minimum SEVTCMP resolution is 8.32 ns.

REGISTER 15-9: CHOP: PWMx CHOP CLOCK GENERATOR REGISTER (1)

R/W-0	U-0	U-0	U-0	U-0	U-0	R/W-0	R/W-0
CHPCLKEN	—	—	—	—	—	CHOPCLK6	CHOPCLK5
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	U-0	U-0	U-0
CHOPCLK4	CHOPCLK3	CHOPCLK2	CHOPCLK1	CHOPCLK0	—	—	—
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 CHPCLKEN: Enable Chop Clock Generator bit

1 = Chop clock generator is enabled

0 = Chop clock generator is disabled

bit 14-10 Unimplemented: Read as '0'

bit 9-3 CHOPCLK<6:0>: Chop Clock Divider bits

Value is in 8.32 ns increments. The frequency of the chop clock signal is given by:

Chop Frequency = 1/(16.64 * (CHOP<7:3> + 1) * Primary Master PWM Input Clock Period)

bit 2-0 Unimplemented: Read as '0'

Note 1: The chop clock generator operates with the primary PWMx clock prescaler (PCLKDIV<2:0>) in the PTCON2 register (Register 15-2).

REGISTER 15-10: MDC: PWMx MASTER DUTY CYCLE REGISTER (1,2)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

MDC<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

MDC<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 MDC<15:0>: PWMx Master Duty Cycle Value bits

Note 1: The smallest pulse width that can be generated on the PWMx output corresponds to a value of 0x0008, while the maximum pulse width generated corresponds to a value of Period - 0x0008.

2: As the duty cycle gets closer to 0% or 100% of the PWMx period (0 to 40 ns, depending on the mode of operation), PWMx duty cycle resolution will increase from 1 to 3 LSBs.

REGISTER 15-11: PWMKEY: PWMx PROTECTION LOCK/UNLOCK KEY REGISTER

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PWMKEY<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PWMKEY<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 PWMKEY<15:0>: PWMx Protection Lock/Unlock Key Value bits

REGISTER 15-12: PWMCONx: PWMx CONTROL REGISTER (x = 1 to 5)

R-0, HSC R-0, HSC R-0, HSC R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
FLTSTAT^(1)	CLSTAT^(1)	TRGSTAT F	LTIEN CLIEN	TRGIEN ITB		(3)	MDCS^(3)
bit 15 bit 8

R/W-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
DTC1 DTC0	—	—	MTBS	CAM^(2,3,4)	XPRES^(5)	IUE
bit 7 bit 0

Legend:	HSC = Hardware Settable/Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 FLTSTAT:Fault Interrupt Status bit ^(1)

1 = Fault interrupt is pending

0 = No Fault interrupt is pending

This bit is cleared by setting FLTIEN = 0.

bit 14 CLSTAT: Current-Limit Interrupt Status bit ^(1)

1 = Current-limit interrupt is pending

0 = No current-limit interrupt is pending

This bit is cleared by setting CLIEN = 0.

bit 13 TRGSTAT: Trigger Interrupt Status bit

1 = Trigger interrupt is pending

0 = No trigger interrupt is pending

This bit is cleared by setting TRGIEN = 0.

bit 12 FLTIEN: Fault Interrupt Enable bit

1 = Fault interrupt is enabled

0 = Fault interrupt is disabled and the FLTSTAT bit is cleared

bit 11 CLIEN: Current-Limit Interrupt Enable bit

1 = Current-limit interrupt is enabled

0 = Current-limit interrupt is disabled and the CLSTAT bit is cleared

bit 10 TRGIEN: Trigger Interrupt Enable bit

1 = A trigger event generates an interrupt request

0 = Trigger event interrupts are disabled and the TRGSTAT bit is cleared

bit 9 ITB: Independent Time Base Mode bit ^(3)

1 = PHASEx/SPHASEx registers provide the time base period for this PWMx generator

0 = PTPER register provides timing for this PWMx generator

bit 8 MDCS: Master Duty Cycle Register Select bit ^(3)

1 = MDC register provides duty cycle information for this PWMx generator

0 = PDCx and SDCx registers provide duty cycle information for this PWMx generator

Note 1: Software must clear the interrupt status here and in the corresponding IFSx bit in the interrupt controller.

2: The Independent Time Base mode (ITB = 1) must be enabled to use Center-Aligned mode. If ITB = 0, the CAM bit is ignored.

3: These bits should not be changed after the PWMx is enabled by setting PTEN = 1 (PTCON<15>).

4: Center-Aligned mode ignores the Least Significant 3 bits of the Duty Cycle, Phase and Dead-Time registers. The highest Center-Aligned mode resolution available is 8.32 ns with the clock prescaler set to the fastest clock.

5: Configure CLMOD = 0 (FCLCONx<8>) and ITB = 1 (PWMCONx<9>) to operate in External Period Reset mode.

REGISTER 15-12: PWMCONx: PWMx CONTROL REGISTER (x = 1 to 5) (CONTINUED)

bit 7-6	DTC<1:0>: Dead-Time Control bits11 = Reserved10 = Dead-time function is disabled01 = Negative dead time is actively applied for Complementary Output mode00 = Positive dead time is actively applied for all Output modes
bit 5-4	Unimplemented: Read as ‘0’
bit 3	MTBS: Master Time Base Select bit1 = PWMx generator uses the secondary master time base for synchronization and the clock source for the PWMx generation logic (if secondary time base is available)0 = PWMx generator uses the primary master time base for synchronization and the clock source for the PWMx generation logic
bit 2	CAM: Center-Aligned Mode Enable bit(2,3,4)1 = Center-Aligned mode is enabled0 = Edge-Aligned mode is enabled
bit 1	XPRES: External PWMx Reset Control bit(5)1 = Current-limit source resets the time base for this PWMx generator if it is in Independent Time Base mode0 = External pins do not affect the PWMx time base
bit 0	IUE: Immediate Update Enable bit1 = Updates to the active Duty Cycle, Phase Offset, Dead-Time and local Time Base Period registers are immediate0 = Updates to the active Duty Cycle, Phase Offset, Dead-Time and local Time Base Period registers are synchronized to the local PWMx time base
Note 1:	Software must clear the interrupt status here and in the corresponding IFSx bit in the interrupt controller.
2:	The Independent Time Base mode (ITB = 1) must be enabled to use Center-Aligned mode. If ITB = 0, the CAM bit is ignored.
3:	These bits should not be changed after the PWMx is enabled by setting PTEN = 1 (PTCON<15>).
4:	Center-Aligned mode ignores the Least Significant 3 bits of the Duty Cycle, Phase and Dead-Time registers. The highest Center-Aligned mode resolution available is 8.32 ns with the clock prescaler set to the fastest clock.
5:	Configure CLMOD = 0 (FCLCONx<8>) and ITB = 1 (PWMCONx<9>) to operate in External Period Reset mode.

REGISTER 15-13: PDCx: PWMx GENERATOR DUTY CYCLE REGISTER (x = 1 to 5) ^(1,2,3)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PDCx<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PDCx<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 PDCx<15:0>: PWMx Generator Duty Cycle Value bits

Note 1: In Independent PWM mode, the PDCx register controls the PWMxH duty cycle only. In the Complementary, Redundant and Push-Pull PWM modes, the PDCx register controls the duty cycle of both the PWMxH and PWMxL.

2: The smallest pulse width that can be generated on the PWMx output corresponds to a value of 0x0008, while the maximum pulse width generated corresponds to a value of Period - 0x0008.

3: As the duty cycle gets closer to 0% or 100% of the PWMx period (0 to 40 ns, depending on the mode of operation), PWMx duty cycle resolution will increase from 1 to 3 LSBs.

REGISTER 15-14: SDCx: PWMx SECONDARY DUTY CYCLE REGISTER (x = 1 to 5) ^(1,2,3)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SDCx<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SDCx<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 SDCx<15:0>: PWMx Secondary Duty Cycle for PWMxL Output Pin bits

Note 1: The SDCx register is used in Independent PWM mode only. When used in Independent PWM mode, the SDCx register controls the PWMxL duty cycle.

2: The smallest pulse width that can be generated on the PWMx output corresponds to a value of 0x0008, while the maximum pulse width generated corresponds to a value of Period - 0x0008.

3: As the duty cycle gets closer to 0% or 100% of the PWMx period (0 to 40 ns, depending on the mode of operation), PWMx duty cycle resolution will increase from 1 to 3 LSBs.

REGISTER 15-15: PHASEx: PWMx PRIMARY PHASE-SHIFT REGISTER (x = 1 to 5) ^(1,2)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PHASEx<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

PHASEx<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 PHASEx<15:0>: PWMx Phase-Shift Value or Independent Time Base Period for the PWMx Generator bits

Note 1: If PWMCONx<9> = 0, the following applies based on the mode of operation:

• Complementary, Redundant and Push-Pull Output mode (IOCONx<11:10> = 00, 01 or 10); PHASEx<15:0> = Phase-shift value for PWMxH and PWMxL outputs
• True Independent Output mode (IOCONx<11:10> = 11); PHASEx<15:0> = Phase-shift value for PWMxH only
• When the PHASEx/SPHASEx registers provide the phase shift with respect to the master time base; therefore, the valid range is 0x0000 through period

2: If PWMCONx<9> = 1, the following applies based on the mode of operation:

• Complementary, Redundant, and Push-Pull Output mode (IOCONx<11:10> = 00, 01 or 10); PHASEx<15:0> = Independent time base period value for PWMxH and PWMxL
• True Independent Output mode (IOCONx<11:10> = 11); PHASEx<15:0> = Independent time base period value for PWMxH only
• When the PHASEx/SPHASEx registers provide the local period, the valid range is 0x0000 through 0xFFFF8

REGISTER 15-16: SPHASE x: PWMx SECONDARY PHASE-SHIFT REGISTER (x = 1 to 5) ^(1,2)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SPHASEx<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SPHASEx<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 SPHASEx<15:0>: Secondary Phase Offset for PWMxL Output Pin bits (used in Independent PWM mode only)

Note 1: If PWMCONx<9> = 0, the following applies based on the mode of operation:

• Complementary, Redundant and Push-Pull Output mode (IOCONx<11:10> = 00, 01 or 10); SPHASEx<15:0> = Not used
• True Independent Output mode (IOCONx<11:10> = 11), PHASEx<15:0> = Phase-shift value for PWMxL only

2: If PWMCONx<9> = 1, the following applies based on the mode of operation:

• Complementary, Redundant and Push-Pull Output mode (IOCONx<11:10> = 00, 01 or 10); SPHASEx<15:0> = Not used
• True Independent Output mode (IOCONx<11:10> = 11); PHASEx<15:0> = Independent time base period value for PWMxL only
• When the PHASEx/SPHASEx registers provide the local period, the valid range of values is 0x0010-0xFFFF8

REGISTER 15-17: DTRx: PWMx DEAD-TIME REGISTER (x = 1 to 5)

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— —		D T
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

DTRx<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-0 DTRx<13:0>: Unsigned 14-Bit Dead-Time Value for PWMx Dead-Time Unit bits

REGISTER 15-18: ALTDTRx: PWMx ALTERNATE DEAD-TIME REGISTER (x = 1 to 5)

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— —		ALTDTRx<13:8>
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

ALTDTRx<7:0>

bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 Unimplemented: Read as '0'

bit 13-0 ALTDTRx<13:0>: Unsigned 14-Bit Dead-Time Value for PWMx Dead-Time Unit bits

REGISTER 15-19: TRGCONx: PWMx TRIGGER CONTROL REGISTER (x = 1 to 5)

R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0 U-0
TRGDIV3 TRGDIV2 TRGDIV1 TRGDIV0				— — —	—
bit 15 bit 8

R/W-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DTM(1)	— TRGSTRT5 TRGSTRT4 TRGSTRT3 TRGSTRT2				TRGSTRT1 TRGSTRT0
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-12 TRGDIV<3:0>: Trigger # Output Divider bits

1111 = Trigger output for every 16th trigger event

1110 = Trigger output for every 15th trigger event

1101 = Trigger output for every 14th trigger event

1100 = Trigger output for every 13th trigger event

1011 = Trigger output for every 12th trigger event

1010 = Trigger output for every 11th trigger event

1001 = Trigger output for every 10th trigger event

1000 = Trigger output for every 9th trigger event

0111 = Trigger output for every 8th trigger event

0110 = Trigger output for every 7th trigger event

0101 = Trigger output for every 6th trigger event

0100 = Trigger output for every 5th trigger event

0011 = Trigger output for every 4th trigger event

0010 = Trigger output for every 3rd trigger event

0001 = Trigger output for every 2nd trigger event

0000 = Trigger output for every trigger event

bit 11-8 Unimplemented: Read as '0'

bit 7	DTM: Dual Trigger Mode bit(1)
	1 = Secondary trigger event is combined with the primary trigger event to create a PWM trigger
	0 = Secondary trigger event is not combined with the primary trigger event to create a PWM trigger; two separate PWM triggers are generated

bit 6 Unimplemented: Read as '0'

bit 5-0

TRGSTRT<5:0>: Trigger Postscaler Start Enable Select bits111111 = Wait 63 PWM cycles before generating the first trigger event after the module is enabled···.000010 = Wait 2 PWM cycles before generating the first trigger event after the module is enabled000001 = Wait 1 PWM cycle before generating the first trigger event after the module is enabled000000 = Wait 0 PWM cycles before generating the first trigger event after the module is enabled

Note 1: The secondary PWMx generator cannot generate PWM trigger interrupts.

REGISTER 15-20: IOCONx: PWMx I/O CONTROL REGISTER (x = 1 to 5)

R/W-1 R/W-1 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PENH PENL POLH POLL PMOD1				(1)	PMOD0(1)	OVRENH O	VRENL
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
OVRDAT1	OVRDAT0	FLTDAT1	(2)	FLTDAT0^(2)	CLDAT1(2)	CLDAT0(2)	SWAP OS	YNC
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 PENH: PWMxH Output Pin Ownership bit

1 = PWMx module controls the PWMxH pin

0 = GPIO module controls the PWMxH pin

bit 14 PENL: PWMxL Output Pin Ownership bit

1 = PWMx module controls the PWMxL pin

0 = GPIO module controls the PWMxL pin

bit 13 POLH: PWMxH Output Pin Polarity bit

1 = PWMxH pin is active-low

0 = PWMxH pin is active-high

bit 12 POLL: PWMxL Output Pin Polarity bit

1 = PWMxL pin is active-low

0 = PWMxL pin is active-high

bit 11-10 PMOD<1:0>: PWMx I/O Pin Mode bits ^(1)

11 = PWMx I/O pin pair is in the True Independent Output mode

10 = PWMx I/O pin pair is in the Push-Pull Output mode

01 = PWMx I/O pin pair is in the Redundant Output mode

00 = PWMx I/O pin pair is in the Complementary Output mode

bit 9 OVRENH: Override Enable for PWMxH Pin bit

1 = OVRDAT1 provides data for output on the PWMxH pin

0 = PWMx generator provides data for the PWMxH pin

bit 8 OVRENL: Override Enable for PWMxL Pin bit

1 = OVRDAT0 provides data for output on the PWMxL pin

0 = PWMx generator provides data for the PWMxL pin

bit 7-6 OVRDAT<1:0>: Data for PWMxH, PWMxL Pins if Override is Enabled bits

If OVERENH = 1, OVRDAT1 provides data for the PWMxH pin

If OVERENL = 1, OVRDAT0 provides data for the PWMxL pin

bit 5-4 FLTDAT<1:0>: State for PWMxH and PWMxL Pins if FLTMOD<1:0> are Enabled bits ^2

IFLTMOD (FCLCONx<15>) = 0: Normal Fault Mode:

If Fault is active, then FLTDAT1 provides the state for the PWMxH pin.

If Fault is active, then FLTDAT0 provides the state for the PWMxL pin.

IFLTMOD (FCLCONx<15>) = 1: Independent Fault Mode:

If current limit is active, then FLTDAT1 provides the state for the PWMxH pin.

If Fault is active, then FLTDAT0 provides the state for the PWMxL pin.

Note 1: These bits should not be changed after the PWMx module is enabled (PTEN = 1).

2: State represents the active/inactive state of the PWMx depending on the POLH and POLL bits settings.

REGISTER 15-20: IOCONx: PWMx I/O CONTROL REGISTER (x = 1 to 5) (CONTINUED)

bit 3-2 CLDAT<1:0>: State for PWMxH and PWMxL Pins if CLMOD is Enabled bits ^(2)

IFLTMOD (FCLCONx<15>) = 0: Normal Fault Mode:

If current limit is active, then CLDAT1 provides the state for the PWMxH pin.

If current limit is active, then CLDAT0 provides the state for the PWMxL pin.

IFLTMOD (FCLCONx<15>) = 1: Independent Fault Mode:

CLDAT<1:0> bits are ignored.

bit 1 SWAP: SWAP PWMxH and PWMxL Pins bit

1 = PWMxH output signal is connected to the PWMxL pins; PWMxL output signal is connected to the PWMxH pins

0 = PWMxH and PWMxL pins are mapped to their respective pins

bit 0 OSYNC: Output Override Synchronization bit

1 = Output overrides via the OVRDAT<1:0> bits are synchronized to the PWMx time base

0 = Output overrides via the OVRDAT<1:0> bits occur on the next CPU clock boundary

Note 1: These bits should not be changed after the PWMx module is enabled (PTEN = 1).

2: State represents the active/inactive state of the PWMx depending on the POLH and POLL bits settings.

REGISTER 15-21: TRIGx: PWMx PRIMARY TRIGGER COMPARE VALUE REGISTER (x = 1 to 5)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

TRGCMP<12:5>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0
TRGCMP<4:0>	———
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-3 TRGCMP<12:0>: Trigger Compare Value bits

When the primary PWMx functions in the local time base, this register contains the compare values that can trigger the ADC module.

bit 2-0 Unimplemented: Read as '0'

REGISTER 15-22: FCLCONx: PWMx FAULT CURRENT-LIMIT CONTROL REGISTER (x = 1 to 5)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
IFLTMOD	CLSRC4	CLSRC3	CLSRC2	CLSRC1	CLSRC0	CLPOL
bit 15 bit 8

R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0
FLTSRC4	FLTSRC3	FLTS	RC2	FLTSRC1	FLTSRC0	FL	TPOL
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 IFLTMOD: Independent Fault Mode Enable bit

1 = Independent Fault mode: Current-limit input maps FLTDAT1 to the PWMxH output and the Fault input maps FLTDAT0 to the PWMxL output; the CLDAT<1:0> bits are not used for override functions 0 = Normal Fault mode: Current-Limit mode maps CLDAT<1:0> bits to the PWMxH and PWMxL outputs; the PWM Fault mode maps FLTDAT<1:0> to the PWMxH and PWMxL outputs

bit 14-10 CLSRC<4:0>: Current-Limit Control Signal Source Select for PWMx Generator bits

11111 = Reserved

10001 = Reserved

10000 = Analog Comparator 4

01111 = Analog Comparator 3

01110 = Analog Comparator 2

01101 = Analog Comparator 1

01100 = Fault 12

01011 = Fault 11

01010 = Fault 10

01001 = Fault 9

01000 = Fault 8

00111 = Fault 7

00110 = Fault 6

00101 = Fault 5

00100 = Fault 4

00011 = Fault 3

00010 = Fault 2

00001 = Fault 1

00000 = Reserved

bit 9 CLPOL: Current-Limit Polarity for PWMx Generator bit ^(1)

1 = The selected current-limit source is active-low

0 = The selected current-limit source is active-high

bit 8 CLMOD: Current-Limit Mode Enable for PWMx Generator bit

1 = Current-Limit mode is enabled

0 = Current-Limit mode is disabled

Note 1: These bits should be changed only when PTEN = 0 (PTCON<15>).

REGISTER 15-22: FCLCONx: PWMx FAULT CURRENT-LIMIT CONTROL REGISTER (x = 1 to 5) (CONTINUED)
bit 7-3 FLTSRC<4:0>: Fault Control Signal Source Select for PWMx Generator bits 11111 = Fault 31 (Default) 10001 = Reserved 10000 = Analog Comparator 4 01111 = Analog Comparator 3 01110 = Analog Comparator 2 01101 = Analog Comparator 1 01100 = Fault 12 01011 = Fault 11 01010 = Fault 10 01001 = Fault 9 01000 = Fault 8 00111 = Fault 7 00110 = Fault 6 00101 = Fault 5 00100 = Fault 4 00011 = Fault 3 00010 = Fault 2 00001 = Fault 1 00000 = Reserved

bit 2 FLTPOL: Fault Polarity for PWMx Generator bit ^(1) 1 = The selected Fault source is active-low 0 = The selected Fault source is active-high

bit 1-0 FLTMOD<1:0>: Fault Mode for PWMx Generator bits 11 = Fault input is disabled 10 = Reserved 01 = The selected Fault source forces the PWMxH, PWMxL pins to FLTDATx values (cycle) 00 = The selected Fault source forces the PWMxH, PWMxL pins to FLTDATx values (latched condition)
Note 1: These bits should be changed only when PTEN = 0 (PTCON<15>).

REGISTER 15-23: STRIGx: PWMx SECONDARY TRIGGER COMPARE VALUE REGISTER (x = 1 to 5) ^(1)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
STRGCMP<12:5>
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0
STRGCMP<4:0> — — —
bit 7 bit 0 

Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'
-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown 

bit 15-3 STRGCMP<12:0>: Secondary Trigger Compare Value bits
When the secondary PWMx functions in the local time base, this register contains the compare values that can trigger the ADC module.
bit 2-0 Unimplemented: Read as '0' 

Note 1: STRIGx cannot generate the PWM trigger interrupts.

REGISTER 15-24: LECCONx: PWMx LEADING-EDGE BLANKING (LEB) CONTROL REGISTER (x = 1 to 5)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0
PHR PHF	PLR PLF FLT	LEBEN	CLLEBEN			—	—
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— —	BCH	(1)	BCL(1)	BPHH	BPHL	BPLH	BPLL
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15 PHR: PWMxH Rising Edge Trigger Enable bit

1 = Rising edge of PWMxH will trigger the Leading-Edge Blanking counter 0 = Leading-Edge Blanking ignores the rising edge of PWMxH

bit 14 PHF: PWMxH Falling Edge Trigger Enable bit

1 = Falling edge of PWMxH will trigger the Leading-Edge Blanking counter 0 = Leading-Edge Blanking ignores the falling edge of PWMxH

bit 13 PLR: PWMxL Rising Edge Trigger Enable bit

1 = Rising edge of PWMxL will trigger the Leading-Edge Blanking counter 0 = Leading-Edge Blanking ignores the rising edge of PWMxL

bit 12 PLF: PWMxL Falling Edge Trigger Enable bit

1 = Falling edge of PWMxL will trigger the Leading-Edge Blanking counter 0 = Leading-Edge Blanking ignores the falling edge of PWMxL

bit 11 FLTLEBEN: Fault Input Leading-Edge Blanking Enable bit

1 = Leading-Edge Blanking is applied to the selected Fault input 0 = Leading-Edge Blanking is not applied to the selected Fault input

bit 10 CLLEBEN: Current-Limit Leading-Edge Blanking Enable bit

1 = Leading-Edge Blanking is applied to the selected current-limit input
0 = Leading-Edge Blanking is not applied to the selected current-limit input

bit 9-6 Unimplemented: Read as '0'

bit 5 BCH: Blanking in Selected Blanking Signal High Enable bit ^(1)

1 = State blanking (of current-limit and/or Fault input signals) when the selected blanking signal is high 0 = No blanking when the selected blanking signal is high

bit 4 BCL: Blanking in Selected Blanking Signal Low Enable bit ^(1)

1 = State blanking (of current-limit and/or Fault input signals) when the selected blanking signal is low 0 = No blanking when the selected blanking signal is low

bit 3 BPHH: Blanking in PWMxH High Enable bit

1 = State blanking (of current-limit and/or Fault input signals) when the PWMxH output is high 0 = No blanking when the PWMxH output is high

bit 2 BPHL: Blanking in PWMxH Low Enable bit

1 = State blanking (of current-limit and/or Fault input signals) when the PWMxH output is low 0 = No blanking when the PWMxH output is low

Note 1: The blanking signal is selected via the BLANKSEL<3:0> bits in the AUXCONx register.

REGISTER 15-24: LECCONx: PWMx LEADING-EDGE BLANKING (LEB) CONTROL REGISTER (x = 1 to 5) (CONTINUED)

bit 1	BPLH: Blanking in PWMxL High Enable bit1 = State blanking (of current-limit and/or Fault input signals) when the PWMxL output is high0 = No blanking when the PWMxL output is high
bit 0	BPLL: Blanking in PWMxL Low Enable bit1 = State blanking (of current-limit and/or Fault input signals) when the PWMxL output is low0 = No blanking when the PWMxL output is low

Note 1: The blanking signal is selected via the BLANKSEL<3:0> bits in the AUXCONx register.

REGISTER 15-25: LEBDLYx: PWMx LEADING-EDGE BLANKING DELAY REGISTER (x = 1 to 5)

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— LEB<8:5>
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 U-0 U-0 U-0
LEB<4:0>	———
bit 7 bit 0

Legend:
R = Readable bit W = Writable bit		U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11-3 LEB<8:0>: Leading-Edge Blanking Delay for Current-Limit and Fault Inputs bits The value is in 8.32 ns increments.

bit 2-0 Unimplemented: Read as '0'

REGISTER 15-26: AUXCONx: PWMx AUXILIARY CONTROL REGISTER (x = 1 to 5)

R/W-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
HRPDIS HRDDIS	— — BLANKSEL3 BLANKSEL2 BLANKSEL1 BLANKSEL0
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	CHOPSEL3	CHOPSEL2	CHOPSEL1	CHOPSEL0	CHOPHEN	CHOPLEN
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15 HRPDIS: High-Resolution PWMx Period Disable bit

1 = High-resolution PWMx period is disabled to reduce power consumption

0 = High-resolution PWMx period is enabled

bit 14 HRDDIS: High-Resolution PWMx Duty Cycle Disable bit

1 = High-resolution PWMx duty cycle is disabled to reduce power consumption

0 = High-resolution PWMx duty cycle is enabled

bit 13-12 Unimplemented: Read as '0'

bit 11-8 BLANKSEL<3:0>: PWMx State Blank Source Select bits

The selected state blank signal will block the current-limit and/or Fault input signals (if enabled via the BCH and BCL bits in the LECCONx register).

1001 = Reserved

1000 = Reserved

0111 = Reserved

0110 = Reserved

0101 = PWM5H is selected as the state blank source

0100 = PWM4H is selected as the state blank source

0011 = PWM3H is selected as the state blank source

0010 = PWM2H is selected as the state blank source

0001 = PWM1H is selected as the state blank source

0000 = No state blanking

bit 7-6 Unimplemented: Read as '0'

bit 5-2 CHOPSEL<3:0>: PWMx Chop Clock Source Select bits

The selected signal will enable and disable (chop) the selected PWMx outputs.

1001 = Reserved

1000 = Reserved

0111 = Reserved

0110 = Reserved

0101 = PWM5H is selected as the chop clock source

0100 = PWM4H is selected as the chop clock source

0011 = PWM3H is selected as the chop clock source

0010 = PWM2H is selected as the chop clock source

0001 = PWM1H is selected as the chop clock source

0000 = Chop clock generator is selected as the chop clock source

bit 1 CHOPHEN: PWMxH Output Chopping Enable bit

1 = PWMxH chopping function is enabled

0 = PWMxH chopping function is disabled

bit 0 CHOPLEN: PWMxL Output Chopping Enable bit

1 = PWMxL chopping function is enabled

0 = PWMxL chopping function is disabled

REGISTER 15-27: PWMCAPx: PWMx PRIMARY TIME BASE CAPTURE REGISTER (x = 1 to 5)

R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0

PWMCAP<12:5>(1,2,3,4)

bit 15 bit 8

R-0 R-0 R-0 R-0 R-0 U-0 U-0 U-0
PWMCAP<4:0>(1,2,3,4)	———
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-3 PWMCAP<12:0>: PWMx Primary Time Base Capture Value bits ^(1,2,3,4)

The value in this register represents the captured PWMx time base value when a leading edge is detected on the current-limit input.

bit 2-0 Unimplemented: Read as '0'

Note 1: The capture feature is only available on a primary output (PWMxH).

2: This feature is active only after LEB processing on the current-limit input signal is complete.

3: The minimum capture resolution is 8.32 ns.

4: This feature can be used when the XPRES bit (PWMCONx<1>) is set to '0'.

16.0 SERIAL PERIPHERAL INTERFACE (SPI)

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Serial Peripheral Interface (SPI)” (DS70005185) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The SPI module is a synchronous serial interface, useful for communicating with other peripherals or microcontroller devices. These peripheral devices can be serial EEPROMs, shift registers, display drivers, ADC Converters, etc. The SPI module is compatible with Motorola ^® SPI and SIOP interfaces.

The dsPIC33EPXXGS50X device family offers two SPI modules on a single device. These modules, which are designated as SPI1 and SPI2, are functionally identical.

Note: In this section, the SPI modules are referred to together as SPIx, or separately as SPI1 and SPI2. Special Function Registers follow a similar notation. For example, SPIxCON refers to the control register for the SPI1 and SPI2 modules.

The SPIx module takes advantage of the Peripheral Pin Select (PPS) feature to allow for greater flexibility in pin configuration.

The SPIx serial interface consists of four pins, as follows:

• SDlx: Serial Data Input
• SDOx: Serial Data Output
  • SCKx: Shift Clock Input or Output
• SSx /FSYNCx: Active-Low Slave Select or Frame Synchronization I/O Pulse

The SPIx module can be configured to operate with two, three or four pins. In 3-Pin mode, SSx is not used. In 2-Pin mode, neither SDOx nor SSx is used.

Figure 16-1 illustrates the block diagram of the SPIx module in Standard and Enhanced modes.

FIGURE 16-1: SPIx MODULE BLOCK DIAGRAM

graph TD
    A["SCKx"] --> B["Sync Control"]
    C["SSx/FSYNCx"] --> B
    D["SDOx"] --> E["Bit 0"]
    F["SDlx"] --> E
    B --> G["Control Clock"]
    E --> G
    G --> H["Select Edge"]
    H --> I["1:1 to 1:8 Secondary Prescaler"]
    I --> J["1:1/4/16/64 Primary Prescaler"]
    J --> K["FP"]
    L["8-Level FIFO Receive Buffer(1)"] --> M["SPIxBUF"]
    N["8-Level FIFO Transmit Buffer(1)"] --> M
    M --> O["Write SPIxBUF"]
    P["Read SPIxBUF"] --> Q["Internal Data Bus"]
    R["Shift Control"] --> S["SPIxSR"]
    T["Transfer"] --> U["8-Level FIFO Receive Buffer(1)"]
    V["Transfer"] --> W["8-Level FIFO Transmit Buffer(1)"]
    X["FP"] --> Y["SPIxCON1<1:0>"]
    X --> Z["SPIxCON1<4:2> Enable Master Clock"]

Note 1: In Standard mode, the FIFO is only one-level deep.

16.1 SPI Helpful Tips

1. In Frame mode, if there is a possibility that the master may not be initialized before the slave:

a) If FRMPOL (SPIxCON2<13>) = 1, use a pull-down resistor on SSx.
b) If FRMPOL = 0, use a pull-up resistor on .

Note: This ensures that the first frame transmission after initialization is not shifted or corrupted.

1. In Non-Framed 3-Wire mode (i.e., not using SSx from a master):

a) If CKP (SPIxCON1<6>) = 1, always place a pull-up resistor on SSx.
b) If CKP = 0, always place a pull-down resistor on SSx.

Note: This will ensure that during power-up and initialization, the master/slave will not lose synchronization due to an errant SCKx transition that would cause the slave to accumulate data shift errors for both transmit and receive, appearing as corrupted data.

1. FRMEN (SPIxCON2<15>) = 1 and SSEN (SPIxCON1<7>) = 1 are exclusive and invalid. In Frame mode, SCKx is continuous and the frame sync pulse is active on the SSx pin, which indicates the start of a data frame.

Note: Not all third-party devices support Frame mode timing. Refer to the SPIx specifications in Section 26.0 "Electrical Characteristics" for details.

1. In Master mode only, set the SMP bit (SPIxCON1<9>) to a '1' for the fastest SPIx data rate possible. The SMP bit can only be set at the same time or after the MSTEN bit (SPIxCON1<5>) is set.

To avoid invalid slave read data to the master, the user's master software must ensure enough time for slave software to fill its write buffer before the user application initiates a master write/read cycle. It is always advisable to preload the SPIxBUF Transmit register in advance of the next master transaction cycle. SPIxBUF is transferred to the SPIx Shift register and is empty once the data transmission begins.

16.2 SPI Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

16.2.1 KEY RESOURCES

• "Serial Peripheral Interface (SPI)" (DS70005185) in the "dsPIC33/PIC24 Family Reference Manual"
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

16.3 SPI Control Registers

REGISTER 16-1: SPIxSTAT: SPIx STATUS AND CONTROL REGISTER

R/W-0 U-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0
SPIEN	—	SPISIDL	—	—	SPIBEC2	SPIBEC1	SPIBEC0
bit 15 bit 8

R/W-0	R/C-0, HS	R/W-0	R/W-0	R/W-0	R/W-0	R-0, HS, HC	R-0, HS, HC
SRMPT	SPIROV	SRXMPT	SISEL2	SISEL1	SISEL0	SPITBF	SPIRBF
bit 7 bit 0

Legend:	C = Clearable bit	U = Unimplemented bit, read as ‘0’
R = Readable bit	W = Writable bit	HS = Hardware Settable bit	HC = Hardware Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

1 = Enables the module and configures SCKx, SDOx, SDlx and as serial port pins
0 = Disables the module

bit 14 Unimplemented: Read as '0'

bit 13 SPISIDL: SPIx Stop in Idle Mode bit

1 = Discontinues the module operation when device enters Idle mode 0 = Continues the module operation in Idle mode

bit 12-11 Unimplemented: Read as '0'

bit 10-8 SPIBEC<2:0>: SPIx Buffer Element Count bits (valid in Enhanced Buffer mode)

Master Mode: Number of SPIx transfers that are pending. Slave Mode: Number of SPIx transfers that are unread.

bit 7 SRMPT:SPIx Shift Register (SPIxSR) Empty bit (valid in Enhanced Buffer mode)

1 = SPIx Shift register is empty and ready to send or receive the data 0 = SPIx Shift register is not empty

bit 6 SPIROV: SPIx Receive Overflow Flag bit

1 = A new byte/word is completely received and discarded; the user application has not read the previous data in the SPIxBUF register 0 = No overflow has occurred

bit 5 SRXMPT:SPIx Receive FIFO Empty bit (valid in Enhanced Buffer mode)

1 = RX FIFO is empty 0 = RX FIFO is not empty

bit 4-2 SISEL<2:0>: SPIx Buffer Interrupt Mode bits (valid in Enhanced Buffer mode)

111 = Interrupt when the SPIx transmit buffer is full (SPITBF bit is set) 110 = Interrupt when the last bit is shifted into SPIxSR, and as a result, the TX FIFO is empty 101 = Interrupt when the last bit is shifted out of SPIxSR and the transmit is complete 100 = Interrupt when one data is shifted into the SPIxSR, and as a result, the TX FIFO has one open memory location

011 = Interrupt when the SPIx receive buffer is full (SPIRBF bit is set)

010 = Interrupt when the SPIx receive buffer is 3/4 or more full

001 = Interrupt when data is available in the receive buffer (SRMPT bit is set)

000 = Interrupt when the last data in the receive buffer is read, and as a result, the buffer is empty (SRXMPT bit is set)

REGISTER 16-1: SPIxSTAT: SPIx STATUS AND CONTROL REGISTER (CONTINUED)

bit 1 SPITBF: SPIx Transmit Buffer Full Status bit

1 = Transmit has not yet started, SPIxTXB is full
0 = Transmit has started, SPIxTXB is empty

Standard Buffer Mode:

Automatically set in hardware when the core writes to the SPIxBUF location, loading SPIxTXB. Automatically cleared in hardware when the SPIx module transfers data from SPIxTXB to SPIxSR.

Enhanced Buffer Mode:

Automatically set in hardware when the CPU writes to the SPIxBUF location, loading the last available buffer location. Automatically cleared in hardware when a buffer location is available for a CPU write operation.

bit 0 SPIRBF: SPIx Receive Buffer Full Status bit

1 = Receive is complete, SPIxRXB is full 0 = Receive is incomplete, SPIxRXB is empty

Standard Buffer Mode:

Automatically set in hardware when SPIx transfers data from SPIxSR to SPIxRXB. Automatically cleared in hardware when the core reads the SPIxBUF location, reading SPIxRXB.

Enhanced Buffer Mode:

Automatically set in hardware when SPIx transfers data from SPIxSR to the buffer, filling the last unread buffer location. Automatically cleared in hardware when a buffer location is available for a transfer from SPIxSR.

REGISTER 16-2: SPIxCON1: SPIx CONTROL REGISTER 1

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	DISSCK DISSD	DO MODE16	SMP	CKE			(1)
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
SSEN(2)	CKP	MSTEN	SPRE2(3)	SPRE1(3)	SPRE0(3)	PPRE1(3)	PPRE0(3)
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12 DISSCK: Disable SCKx Pin bit (SPIx Master modes only)

1 = Internal SPIx clock is disabled, pin functions as I/O

0 = Internal SPIx clock is enabled

bit 11 DISSDO: Disable SDOx Pin bit

1 = SDOx pin is not used by the module; pin functions as I/O

0 = SDOx pin is controlled by the module

bit 10 MODE16: Word/Byte Communication Select bit

1 = Communication is word-wide (16 bits)

0 = Communication is byte-wide (8 bits)

bit 9 SMP: SPIx Data Input Sample Phase bit

Master Mode:

1 = Input data is sampled at the end of data output time

0 = Input data is sampled at the middle of data output time

Slave Mode:

SMP must be cleared when SPIx is used in Slave mode.

bit 8 CKE: SPIx Clock Edge Select bit ^(1)

1 = Serial output data changes on transition from active clock state to Idle clock state (refer to bit 6)

0 = Serial output data changes on transition from Idle clock state to active clock state (refer to bit 6)

bit 7 SSEN: Slave Select Enable bit (Slave mode) ^(2)

1 = SSx pin is used for Slave mode

0 = SSx pin is not used by the module; pin is controlled by port function

bit 6 CKP: Clock Polarity Select bit

1 = Idle state for clock is a high level; active state is a low level

0 = Idle state for clock is a low level; active state is a high level

bit 5 MSTEN: Master Mode Enable bit

1 = Master mode

0 = Slave mode

Note 1: The CKE bit is not used in Framed SPI modes. Program this bit to '0' for Framed SPI modes (FRMEN = 1).

2: This bit must be cleared when FRMEN = 1.

3: Do not set both primary and secondary prescalers to the value of 1:1.

REGISTER 16-2: SPIxCON1: SPIx CONTROL REGISTER 1 (CONTINUED)
bit 4-2 SPRE<2:0>: Secondary Prescale bits (Master mode) ^3) 111 = Secondary prescale 1:1 110 = Secondary prescale 2:1 • • • 000 = Secondary prescale 8:1

bit 1-0 PPRE<1:0>: Primary Prescale bits (Master mode) ^(3) 11 = Primary prescale 1:1 10 = Primary prescale 4:1 01 = Primary prescale 16:1 00 = Primary prescale 64:1

Note 1: The CKE bit is not used in Framed SPI modes. Program this bit to '0' for Framed SPI modes (FRMEN = 1).

2: This bit must be cleared when FRMEN = 1.

3: Do not set both primary and secondary prescalers to the value of 1:1.

REGISTER 16-3: SPIxCON2: SPIx CONTROL REGISTER 2

R/W-0 R/W-0 R/W-0 U-0 U-0 U-0 U-0 U-0
FRMEN SPI	FSD FRMPOL		— — —	—	—
bit 15							bit 8

U-0 U-0 U-0		U-0 U-0 U-0		R/W-0	R/W-0
—	—	—	—	—	—	FRMDLY	SPIBEN
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 FRMEN: Framed SPIx Support bit

1 = Framed SPIx support is enabled (SSx pin is used as the frame sync pulse input/output)

0 = Framed SPIx support is disabled

bit 14 SPIFSD: Frame Sync Pulse Direction Control bit

1 = Frame sync pulse input (slave)

0 = Frame sync pulse output (master)

bit 13 FRMPOL: Frame Sync Pulse Polarity bit

1 = Frame sync pulse is active-high

0 = Frame sync pulse is active-low

bit 12-2 Unimplemented: Read as '0'

bit 1 FRMDLY: Frame Sync Pulse Edge Select bit

1 = Frame sync pulse coincides with the first bit clock

0 = Frame sync pulse precedes the first bit clock

bit 0 SPIBEN: Enhanced Buffer Enable bit

1 = Enhanced buffer is enabled

0 = Enhanced buffer is disabled (Standard mode)

NOTES:

17.0 INTER-INTEGRATED CIRCUIT (I²C)

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Inter-Integrated Circuit (I²C)” (DS70000195) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family of devices contains two Inter-Integrated Circuit (I²C) modules: I2C1 and I2C2.

The I²C module provides complete hardware support for both Slave and Multi-Master modes of the I²C serial communication standard, with a 16-bit interface.

The I^2C module has a 2-pin interface:

• The SCLx/ASCLx pin is clock
• The SDAx/ASDAx pin is data

The I ^2 C module offers the following key features:

• I²C Interface Supporting Both Master and Slave modes of Operation
• I ^2 C Slave mode Supports 7 and 10-Bit Addressing
• I ^2 C Master mode Supports 7 and 10-Bit Addressing
• I²C Port allows Bidirectional Transfers between Master and Slaves
• Serial Clock Synchronization for I ^2 C Port can be used as a Handshake Mechanism to Suspend and Resume Serial Transfer (SCLREL control)
• I²C Supports Multi-Master Operation, Detects Bus Collision and Arbitrates accordingly
• System Management Bus (SMBus) Support
  • Alternate I ^2 C Pin Mapping (ASCLx/ASDAx)

17.1 I ^2 C Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

17.1.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

FIGURE 17-1: I2Cx BLOCK DIAGRAM (x = 1 OR 2)

graph TD
    A["SCLx/ASCLx"] --> B["Shift Clock"]
    C["SDAx/ASDAx"] --> D["Match Detect"]
    B --> E["I2CxRCV"]
    D --> F["I2CxRSR"]
    E --> G["Address Match"]
    F --> G
    G --> H["I2CxMSK"]
    H --> I["Write"]
    H --> J["Read"]
    K["I2CxADD"] --> L["Start and Stop Bit Detect"]
    L --> M["Start and Stop Bit Generation"]
    M --> N["Collision Detect"]
    N --> O["Acknowledge Generation"]
    O --> P["Clock Stretching"]
    P --> Q["I2CxTRN"]
    Q --> R["Shift Clock"]
    R --> S["Reload Control"]
    S --> T["BRG Down Counter"]
    T --> U["Fp/2"]
    V["I2CxSTAT"] --> W["I2CxCONH"]
    W --> X["I2CxCONL"]
    X --> Y["Write"]
    X --> Z["Read"]
    AA["Internal Data Bus"] --> AB["Read"]
    AC["Write"] --> AD["Write"]
    AE["Write"] --> AF["Write"]
    AG["Write"] --> AH["Write"]
    AI["Write"] --> AJ["Read"]
    AK["Write"] --> AL["Read"]

17.2 I ^2 C Control Registers

REGISTER 17-1: I2CxCONL: I2Cx CONTROL REGISTER LOW

R/W-0 U-0 R/W-0 R/W-1, HC R/W-0 R/W-0 R/W-0 R/W-0
I2CEN —	I2CSIDL SCLR	EL STRICT A	10M DISSLW	SMEN
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0, HC	R/W-0, HC	R/W-0, HC	R/W-0, HC	R/W-0, HC
GCEN	STREN	ACKDT	ACKEN	RCEN	PEN	RSEN	SEN
bit 7 bit 0

Legend:	HC = Hardware Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 I2CEN: I2Cx Enable bit

1 = Enables the I2Cx module and configures the SDAx and SCLx pins as serial port pins
0 = Disables the I2Cx module; all ^2C pins are controlled by port functions

bit 14 Unimplemented: Read as '0'

bit 13 I2CSIDL: I2Cx Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode
0 = Continues module operation in Idle mode

bit 12 SCLREL: SCLx Release Control bit (when operating as I²C slave)

1 = Releases SCLx clock
0 = Holds SCLx clock low (clock stretch)

If STREN = 1:

Bit is R/W (i.e., software can write '0' to initiate stretch and write '1' to release clock). Hardware is clear at the beginning of every slave data byte transmission. Hardware is clear at the end of every slave address byte reception. Hardware is clear at the end of every slave data byte reception.

If STREN = 0:

Bit is R/S (i.e., software can only write '1' to release clock). Hardware is clear at the beginning of every slave data byte transmission. Hardware is clear at the end of every slave address byte reception.

bit 11 STRICT: Strict I2Cx Reserved Address Enable bit

1 = Strict Reserved Addressing is Enabled: In Slave mode, the device will NACK any reserved address. In Master mode, the device is allowed to generate addresses within the reserved address space.

0 = Reserved Addressing is Acknowledged: In Slave mode, the device will ACK any reserved address. In Master mode, the device should not address a slave device with a reserved address.

bit 10 A10M: 10-Bit Slave Address bit

1 = I2CxADD is a 10-bit slave address
0 = I2CxADD is a 7-bit slave address

bit 9 DISSLW: Disable Slew Rate Control bit

1 = Slew rate control is disabled
0 = Slew rate control is enabled

bit 8 SMEN: SMBus Input Levels bit

1 = Enables I/O pin thresholds compliant with SMBus specification
0 = Disables SMBus input thresholds

bit 7 GCEN: General Call Enable bit (when operating as PC slave)

1 = Enables interrupt when a general call address is received in I2CxRSR (module is enabled for reception)
0 = General call address is disabled

REGISTER 17-1: I2CxCONL: I2Cx CONTROL REGISTER LOW (CONTINUED)

bit 6	STREN: SCLx Clock Stretch Enable bit (when operating as ^2C slave)Used in conjunction with the SCLREL bit.1 = Enables software or receives clock stretching0 = Disables software or receives clock stretching
bit 5	ACKDT: Acknowledge Data bit (when operating as ^2C master, applicable during master receive)Value that is transmitted when the software initiates an Acknowledge sequence.1 = Sends NACK during Acknowledge0 = Sends ACK during Acknowledge
bit 4	ACKEN: Acknowledge Sequence Enable bit(when operating as I^2C master, applicable during master receive)1 = Initiates Acknowledge sequence on SDAx and SCLx pins and transmits ACKDT data bit; hardware is clear at the end of the master Acknowledge sequence0 = Acknowledge sequence is not in progress
bit 3	RCEN: Receive Enable bit (when operating as ^2C master)1 = Enables Receive mode for I^2C ; hardware is clear at the end of the eighth bit of the master receive data byte0 = Receive sequence is not in progress
bit 2	PEN: Stop Condition Enable bit (when operating as ^2C master)1 = Initiates Stop condition on SDAx and SCLx pins; hardware is clear at the end of the master Stop sequence0 = Stop condition is not in progress
bit 1	RSEN: Repeated Start Condition Enable bit (when operating as ^2C master)1 = Initiates Repeated Start condition on SDAx and SCLx pins; hardware is clear at the end of the master Repeated Start sequence0 = Repeated Start condition is not in progress
bit 0	SEN: Start Condition Enable bit (when operating as ^2C master)1 = Initiates Start condition on SDAx and SCLx pins; hardware is clear at the end of the master Start sequence0 = Start condition is not in progress

REGISTER 17-2: I2CxCONH: I2Cx CONTROL REGISTER HIGH

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 15 bit 8

U-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
—	PCIE	SCIE	BOEN	SDAHT	SBCDE	AHEN	DHEN
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-7 Unimplemented: Read as '0'

bit 6 PCIE: Stop Condition Interrupt Enable bit (I²C Slave mode only)

1 = Enables interrupt on detection of Stop condition

0 = Stop detection interrupts are disabled

bit 5 SCIE: Start Condition Interrupt Enable bit ( ^2 C Slave mode only)

1 = Enables interrupt on detection of Start or Restart conditions

0 = Start detection interrupts are disabled

bit 4 BOEN: Buffer Overwrite Enable bit (I²C Slave mode only)

1 = I2CxRCV is updated and ACK is generated for a received address/data byte, ignoring the state of the I2COV only if the RBF bit = 0

0 = I2CxRCV is only updated when I2COV is clear

bit 3 SDAHT: SDAx Hold Time Selection bit

1 = Minimum of 300 ns hold time on SDAx after the falling edge of SCLx

0 = Minimum of 100 ns hold time on SDAx after the falling edge of SCLx

bit 2 SBCDE: Slave Mode Bus Collision Detect Enable bit (I²C Slave mode only)

1 = Enables slave bus collision interrupts

0 = Slave bus collision interrupts are disabled

If the rising edge of SCLx and SDAx is sampled low when the module is in a high state, the BCL bit is set and the bus goes Idle. This Detection mode is only valid during data and ACK transmit sequences.

bit 1 AHEN: Address Hold Enable bit (I²C Slave mode only)

1 = Following the 8th falling edge of SCLx for a matching received address byte, the SCLREL (I2CxCONL<12>) bit will be cleared and SCLx will be held low

0 = Address holding is disabled

bit 0 DHEN: Data Hold Enable bit (I²C Slave mode only)

1 = Following the 8th falling edge of SCLx for a received data byte, the slave hardware clears the SCLREL (I2CxCONL<12>) bit and SCLx is held low

0 = Data holding is disabled

REGISTER 17-3: I2CxSTAT: I2Cx STATUS REGISTER

R-0, HSC R-0, HSC R-0, HSC U-0 U-0 R/C-0, HS R-0, HSC R-0, HSC
ACKSTAT	TRSTAT ACKTIM	— — BCL	GCSTAT	ADD10
bit 15						bit 8

R/C-0, HS	R/C-0, HS	R-0, HSC	R/C-0, HSC	R/C-0, HSC	R-0, HSC	R-0, HSC	R-0, HSC
IWCOL	I2COV	D_A	P	S	R_W	RBF	TBF
bit 7 bit 0

Legend:	C = Clearable bit	HS = Hardware Settable bit HSC = Hardware Settable/Clearable bit
R = Readable bit	W = Writable bit	‘0’ = Bit is cleared x = Bit is unknown
-n = Value at POR	‘1’ = Bit is set	U = Unimplemented bit, read as ‘0’

bit 15 ACKSTAT: Acknowledge Status bit (when operating as I²C master, applicable to master transmit operation)

1 = NACK was received from slave

0 = ACK was received from slave

Hardware is set or clear at the end of a slave Acknowledge.

bit 14 TRSTAT:Transmit Status bit (when operating as I^2C master, applicable to master transmit operation)

1 = Master transmit is in progress (8 bits + ACK)

0 = Master transmit is not in progress

Hardware is set at the beginning of master transmission. Hardware is clear at the end of slave Acknowledge.

bit 13 ACKTIM: Acknowledge Time Status bit (I²C Slave mode only)

1 = I^2C bus is an Acknowledge sequence, set on the 8th falling edge of SCLx

0 = Not an Acknowledge sequence, cleared on the 9th rising edge of SCLx

bit 12-11 Unimplemented: Read as '0'

bit 10 BCL: Master Bus Collision Detect bit

1 = A bus collision has been detected during a master operation

0 = No bus collision detected

Hardware is set at detection of a bus collision.

bit 9 GCSTAT:General Call Status bit

1 = General call address was received

0 = General call address was not received

Hardware is set when address matches the general call address. Hardware is clear at Stop detection.

bit 8 ADD10: 10-Bit Address Status bit

1 = 10-bit address was matched

0 = 10-bit address was not matched

Hardware is set at the match of the 2nd byte of the matched 10-bit address. Hardware is clear at Stop detection.

bit 7 IWCOL: I2Cx Write Collision Detect bit

1 = An attempt to write to the I2CxTRN register failed because the I²C module is busy

0 = No collision

Hardware is set at the occurrence of a write to I2CxTRN while busy (cleared by software).

bit 6 I2COV: I2Cx Receive Overflow Flag bit

1 = A byte was received while the I2CxRCV register was still holding the previous byte

0 = No overflow

Hardware is set at an attempt to transfer I2CxRSR to I2CxRCV (cleared by software).

bit 5 D_A: Data/Address bit (I²C Slave mode only)

1 = Indicates that the last byte received was data

0 = Indicates that the last byte received was a device address

Hardware is clear at a device address match. Hardware is set by reception of a slave byte.

REGISTER 17-3: I2CxSTAT: I2Cx STATUS REGISTER (CONTINUED)

bit 4	P: Stop bit1 = Indicates that a Stop bit has been detected last0 = Stop bit was not detected lastHardware is set or clear when a Start, Repeated Start or Stop is detected.
bit 3	S: Start bit1 = Indicates that a Start (or Repeated Start) bit has been detected last0 = Start bit was not detected lastHardware is set or clear when a Start, Repeated Start or Stop is detected.
bit 2	R_W: Read/Write Information bit ( I^2C Slave mode only)1 = Read – Indicates data transfer is output from the slave0 = Write – Indicates data transfer is input to the slaveHardware is set or clear after reception of an I^2C device address byte.
bit 1	RBF: Receive Buffer Full Status bit1 = Receive is complete, I2CxRCV is full0 = Receive is not complete, I2CxRCV is emptyHardware is set when I2CxRCV is written with a received byte. Hardware is clear when software reads I2CxRCV.
bit 0	TBF: Transmit Buffer Full Status bit1 = Transmit is in progress, I2CxTRN is full0 = Transmit is complete, I2CxTRN is emptyHardware is set when software writes to I2CxTRN. Hardware is clear at completion of a data transmission.

REGISTER 17-4: I2CxMSK: I2Cx SLAVE MODE ADDRESS MASK REGISTER

U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0
— — —	— — — AMSK	<9:8>
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

AMSK<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-10 Unimplemented: Read as '0'

bit 9-0 AMSK<9:0>: Address Mask Select bits

For 10-Bit Address:

1 = Enables masking for bit Ax of incoming message address; bit match is not required in this position 0 = Disables masking for bit Ax; bit match is required in this position

For 7-Bit Address (I2CxMSK<6:0> only):

1 = Enables masking for bit Ax + 1 of incoming message address; bit match is not required in this position 0 = Disables masking for bit Ax + 1; bit match is required in this position

18.0 UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER (UART)

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Universal Asynchronous Receiver Transmitter (UART)” (DS70000582) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com). 2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 “Memory Organization” in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family of devices contains two UART modules.

The Universal Asynchronous Receiver Transmitter (UART) module is one of the serial I/O modules available in the dsPIC33EPXXGS50X device family. The UART is a full-duplex, asynchronous system that can communicate with peripheral devices, such as personal computers, LIN/J2602, RS-232 and RS-485 interfaces. The module also supports a hardware flow control option with the UxCTS and UxRTS pins, and also includes an IrDA ^® encoder and decoder.

The primary features of the UARTx module are:

• Full-Duplex, 8 or 9-Bit Data Transmission through the UxTX and UxRX Pins
  • Even, Odd or No Parity Options (for 8-bit data)
• One or Two Stop bits
• Hardware Flow Control Option with UxCTS and UxRTS Pins
• Fully Integrated Baud Rate Generator with 16-Bit Prescaler
• Baud Rates Ranging from 4.375 Mbps to 67 bps in 16x mode at 70 MIPS
• Baud Rates Ranging from 17.5 Mbps to 267 bps in 4x mode at 70 MIPS
• 4-Deep First-In First-Out (FIFO) Transmit Data Buffer
  • 4-Deep FIFO Receive Data Buffer
• Parity, Framing and Buffer Overrun Error Detection
• Support for 9-Bit Mode with Address Detect (9th bit = 1)
  • Transmit and Receive Interrupts
  • A Separate Interrupt for all UARTx Error Conditions
• Loopback mode for Diagnostic Support
  • Support for Sync and Break Characters
• Support for Automatic Baud Rate Detection
  • I r D EAcoder and Decoder Logic
  • 16x Baud Clock Output for IrDA Support

A simplified block diagram of the UARTx module is shown in Figure 18-1. The UARTx module consists of these key hardware elements:

• Baud Rate Generator
• Asynchronous Transmitter
• Asynchronous Receiver

FIGURE 18-1: UARTx SIMPLIFIED BLOCK DIAGRAM

graph TD
    A["Baud Rate Generator"] --> B["IrDA®"]
    B --> C["Hardware Flow Control"]
    C --> D["UARTx Receiver"]
    D --> E["UARTx Transmitter"]
    E --> F["UxRTS/BCLKx"]
    E --> G["UxCTS"]
    E --> H["UxRX"]
    E --> I["UxTX"]
    B --> J["Crossed Lines"]
    C --> K["Crossed Lines"]
    D --> L["Crossed Lines"]
    E --> M["Crossed Lines"]

18.1 UART Helpful Tips

1. In multi-node, direct connect UART networks, UART receive inputs react to the complementary logic level defined by the URXINV bit (UxMODE<4>), which defines the Idle state, the default of which is logic high (i.e., URXINV = 0). Because remote devices do not initialize at the same time, it is likely that one of the devices, because the RX line is floating, will trigger a Start bit detection and will cause the first byte received, after the device has been initialized, to be invalid. To avoid this situation, the user should use a pull-up or pull-down resistor on the RX pin depending on the value of the URXINV bit.

a) If URXINV = 0, use a pull-up resistor on the UxRX pin.
b) If URXINV = 1, use a pull-down resistor on the UxRX pin.

1. The first character received on a wake-up from Sleep mode, caused by activity on the UxRX pin of the UARTx module, will be invalid. In Sleep mode, peripheral clocks are disabled. By the time the oscillator system has restarted and stabilized from Sleep mode, the baud rate bit sampling clock, relative to the incoming UxRX bit timing, is no longer synchronized, resulting in the first character being invalid; this is to be expected.

18.2 UART Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

18.2.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

18.3 UART Control Registers

REGISTER 18-1: UxMODE: UART x MODE REGISTER

R/W-0 U-0 R/W-0 R/W-0 R/W-0 U-0 R/W-0 R/W-0
UARTEN ^(1)	— USIDL IREN		^(2)	RTSMD —	U	E	N
bit 15 bit 8

R/W-0, HC	R/W-0	R/W-0, HC	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
WAKE	LPBACK	ABAUD	URXINV	BRGH	PDSEL1	PDSEL0	STSEL
bit 7 bit 0

Legend:	HC = Hardware Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 UARTEN: UARTx Enable bit ^(1)

1 = UARTx is enabled; all UARTx pins are controlled by UARTx as defined by UEN<1:0>
0 = UARTx is disabled; all UARTx pins are controlled by PORT latches; UARTx power consumption is minimal

bit 14 Unimplemented: Read as '0'

bit 13 USIDL: UARTx Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode
0 = Continues module operation in Idle mode

bit 12 IREN: IrDA ^® Encoder and Decoder Enable bit ^(2)

1 = IrDA encoder and decoder are enabled
0 = IrDA encoder and decoder are disabled

bit 11 RTSMD: Mode Selection for UxRTS Pin bit

1 = UxRTS pin is in Simplex mode
0 = UxRTS pin is in Flow Control mode

bit 10 Unimplemented: Read as '0'

bit 9-8 UEN<1:0>: UARTx Pin Enable bits

11 = UxTX, UxRX and BCLKx pins are enabled and used; pin is controlled by PORT latches
10 = UxTX, UxRX, UxCTS and UxRTS pins are enabled and used
01 = UxTX, UxRX and UxRTS pins are enabled and used; UxCTS pin is controlled by PORT latches
00 = UxTX and UxRX pins are enabled and used; and /BCLKx pins are controlled by PORT latches

bit 7 WAKE: Wake-up on Start Bit Detect During Sleep Mode Enable bit

1 = UARTx continues to sample the UxRX pin, interrupt is generated on the falling edge; bit is cleared in hardware on the following rising edge
0 = No wake-up is enabled

bit 6 LPBACK: UARTx Loopback Mode Select bit

1 = Enables Loopback mode
0 = Loopback mode is disabled

Note 1: Refer to "Universal Asynchronous Receiver Transmitter (UART)" (DS70000582) in the

"dsPIC33/PIC24 Family Reference Manual" for information on enabling the UARTx module for receive or transmit operation.

2: This feature is only available for the 16x BRG mode (BRGH = 0).

REGISTER 18-1: UxMODE: UART x MODE REGISTER (CONTINUED)
bit 5 ABAUD: Auto-Baud Enable bit 1 = Enables baud rate measurement on the next character – requires reception of a Sync field (55h) before other data; cleared in hardware upon completion 0 = Baud rate measurement is disabled or completed

bit 4 URXINV: UARTx Receive Polarity Inversion bit 1 = UxRX Idle state is '0' 0 = UxRX Idle state is '1'

bit 3 BRGH: High Baud Rate Enable bit 1 = BRG generates 4 clocks per bit period (4x baud clock, High-Speed mode) 0 = BRG generates 16 clocks per bit period (16x baud clock, Standard mode)

bit 2-1 PDSEL<1:0>: Parity and Data Selection bits 11 = 9-bit data, no parity 10 = 8-bit data, odd parity 01 = 8-bit data, even parity 00 = 8-bit data, no parity

bit 0 STSEL: Stop Bit Selection bit 1 = Two Stop bits 0 = One Stop bit

Note 1: Refer to “Universal Asynchronous Receiver Transmitter (UART)” (DS70000582) in the “dsPIC33/PIC24 Family Reference Manual” for information on enabling the UARTx module for receive or transmit operation.

2: This feature is only available for the 16x BRG mode (BRGH = 0).

REGISTER 18-2: U xSTA: UARTx STATUS AND CONTROL REGISTER

R/W-0 R/W-0 R/W-0 U-0 R/W-0, HC R/W-0 R-0 R-1
UTXISEL1	UTXINV	UTXISEL0	— UTXBRK UTXEN	(1)	UTXBF TRMT
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R-1		R-0	R-0	R/C-0 R-0
URXISEL1	URXISEL0	ADDEN	RIDLE	PERR	FERR	OERR	URXDA
bit 7 bit 0

Legend:	C = Clearable bit	HC = Hardware Clearable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared x = Bit is unknown

bit 15,13 UTXISEL<1:0>: UARTx Transmission Interrupt Mode Selection bits

11 = Reserved; do not use
10 = Interrupt when a character is transferred to the Transmit Shift Register (TSR), and as a result, the transmit buffer becomes empty
01 = Interrupt when the last character is shifted out of the Transmit Shift Register; all transmit operations are completed
00 = Interrupt when a character is transferred to the Transmit Shift Register (this implies there is at least one character open in the transmit buffer)

bit 14 UTXINV: UARTx Transmit Polarity Inversion bit

If IREN = 0:

1 = UxTX Idle state is '0'
0 = UxTX Idle state is '1'
If IREN = 1:
1 = IrDA ^® encoded, UxTX Idle state is '1'
0 = IrDA encoded, UxTX Idle state is '0'

bit 12 Unimplemented: Read as '0'

bit 11 UTXBRK: UARTx Transmit Break bit

1 = Sends Sync Break on next transmission – Start bit, followed by twelve '0' bits, followed by Stop bit; cleared by hardware upon completion
0 = Sync Break transmission is disabled or completed

bit 10 UTXEN: UARTx Transmit Enable bit ^(1)

1 = Transmit is enabled, UxTX pin is controlled by UARTx
0 = Transmit is disabled, any pending transmission is aborted and buffer is reset; UxTX pin is controlled by the PORT

bit 9 UTXBF: UARTx Transmit Buffer Full Status bit (read-only)

1 = Transmit buffer is full
0 = Transmit buffer is not full, at least one more character can be written

bit 8 TRMT: Transmit Shift Register Empty bit (read-only)

1 = Transmit Shift Register is empty and transmit buffer is empty (the last transmission has completed)
0 = Transmit Shift Register is not empty, a transmission is in progress or queued

bit 7-6 URXISEL<1:0>: UARTx Receive Interrupt Mode Selection bits

11 = Interrupt is set on UxRSR transfer, making the receive buffer full (i.e., has 4 data characters)
10 = Interrupt is set on UxRSR transfer, making the receive buffer 3/4 full (i.e., has 3 data characters)
0x = Interrupt is set when any character is received and transferred from the UxRSR to the receive buffer; receive buffer has one or more characters

Note 1: Refer to "Universal Asynchronous Receiver Transmitter (UART)"(DS70000582) in the "dsPIC33/PIC24 Family Reference Manual" for information on enabling the UARTx module for transmit operation.

REGISTER 18-2: U xSTA: UARTx STATUS AND CONTROL REGISTER (CONTINUED)

bit 5	ADDEN: Address Character Detect bit (bit 8 of received data = 1)
	1 = Address Detect mode is enabled; if 9-bit mode is not selected, this does not take effect
	0 = Address Detect mode is disabled
bit 4	RIDLE: Receiver Idle bit (read-only)
	1 = Receiver is Idle
	0 = Receiver is active
bit 3	PERR: Parity Error Status bit (read-only)
	1 = Parity error has been detected for the current character (character at the top of the receive FIFO)
	0 = Parity error has not been detected
bit 2	FERR: Framing Error Status bit (read-only)
	1 = Framing error has been detected for the current character (character at the top of the receive FIFO)
	0 = Framing error has not been detected
bit 1	OERR:Receive Buffer Overrun Error Status bit (clear/read-only)
	1 = Receive buffer has overflowed
	0 = Receive buffer has not overflowed; clearing a previously set OERR bit (1 → 0 transition) resets the receiver buffer and the UxRSR to the empty state
bit 0	URXDA: UARTx Receive Buffer Data Available bit (read-only)
	1 = Receive buffer has data, at least one more character can be read
	0 = Receive buffer is empty

Note 1: Refer to "Universal Asynchronous Receiver Transmitter (UART)"(DS70000582) in the "dsPIC33/PIC24 Family Reference Manual" for information on enabling the UARTx module for transmit operation.

19.0 HIGH-SPEED, 12-BIT ANALOG-TO-DIGITAL CONVERTER (ADC)

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “12-Bit High-Speed, Multiple SARs A/D Converter (ADC) (DS70005213) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

dsPIC33EPXXGS50X devices have a high-speed, 12-bit Analog-to-Digital Converter (ADC) that features a low conversion latency, high resolution and oversampling capabilities to improve performance in AC/DC, DC/DC power converters.

19.1 Features Overview

The High Speed, 12-Bit Multiple SARs Analog-to-Digital Converter (ADC) includes the following features:

• Five ADC Cores: Four Dedicated Cores and One Shared (Common) Core
• User-Configurable Resolution of up to 12 Bits for each Core
• Up to 3.25 Msps Conversion Rate per Channel at 12-Bit Resolution
• Low-Latency Conversion
• Up to 22 Analog Input Channels, with a Separate 16-Bit Conversion Result Register for each Input
• Conversion Result can be Formatted as Unsigned or Signed Data, on a per Channel Basis, for All Channels

• Single-Ended and Pseudodifferential Conversions are available on All ADC Cores

• Simultaneous Sampling of up to 5 Analog Inputs
  • Channel Scan Capability

• Multiple Conversion Trigger Options for each Core, including:
• PWM1 through PWM5 (primary and secondary triggers, and current-limit event trigger)
• PWM Special Event Trigger
• Timer1/Timer2 period match
• Output Compare 1 and event trigger
• External pin trigger event (ADTRG31)
• Software trigger

- Two Integrated Digital Comparators with Dedicated Interrupts:

- Multiple comparison options

- Assignable to specific analog inputs

- Two Oversampling Filters with Dedicated Interrupts:

- Provide increased resolution

- Assignable to a specific analog input

The module consists of five independent SAR ADC cores. Simplified block diagrams of the Multiple SARs 12-Bit ADC are shown in Figure 19-1, Figure 19-2 and Figure 19-3.

The analog inputs (channels) are connected through multiplexers and switches to the Sample-and-Hold (S&H) circuit of each ADC core. The core uses the channel information (the output format, the measurement mode and the input number) to process the analog sample. When conversion is complete, the result is stored in the result buffer for the specific analog input, and passed to the digital filter and digital comparator if they were configured to use data from this particular channel.

The ADC module can sample up to five inputs at a time (four inputs from the dedicated SAR cores and one from the shared SAR core). If multiple ADC inputs request conversion on the shared core, the module will convert them in a sequential manner, starting with the lowest order input.

The ADC provides each analog input the ability to specify its own trigger source. This capability allows the ADC to sample and convert analog inputs that are associated with PWM generators operating on independent time bases.

FIGURE 19-1: ADC MODULE BLOCK DIAGRAM

graph TD
    A["AVDD AVss"] --> B["Voltage Reference (REFSEL<2:0>)"]
    B --> C["Dedicated ADC Core 0(2)"]
    C --> D["Reference"]
    C --> E["Output Data"]
    C --> F["Clock"]
    B --> G["Dedicated ADC Core 1(2)"]
    G --> H["Reference"]
    G --> I["Output Data"]
    G --> J["Clock"]
    B --> K["Dedicated ADC Core 2(2)"]
    K --> L["Reference"]
    K --> M["Output Data"]
    K --> N["Clock"]
    B --> O["Dedicated ADC Core 3(2)"]
    O --> P["Reference"]
    O --> Q["Output Data"]
    O --> R["Clock"]
    B --> S["Shared ADC Core"]
    S --> T["Reference"]
    S --> U["Output Data"]
    S --> V["Clock"]
    B --> W["Divider (CLKDIV<5:0>)"]
    W --> X["Clock Selection (CLKSEL<1:0>)"]
    X --> Y["Instruction Clock"]
    X --> Z["FRC"]
    X --> AA["AUX Clock"]
    C --> AB["Digital Comparator 0"]
    C --> AC["Digital Comparator 1"]
    AB --> AD["ADCMP0 Interrupt"]
    AC --> AE["ADCMP1 Interrupt"]
    G --> AF["Digital Filter 0"]
    G --> AG["Digital Filter 1"]
    AF --> AH["ADFLTR0 Interrupt"]
    AG --> AI["ADFLTR1 Interrupt"]
    O --> AJ["ADCBUF0"]
    O --> AK["ADCBUF1"]
    AJ --> AL["ADCAN0 Interrupt"]
    AK --> AM["ADCAN1 Interrupt"]
    AJ --> AN["ADCAN21 Interrupt"]

Note 1: PGA1, PGA2 and Band Gap Reference (V BG) are internal analog inputs and are not available on device pins.
2: If the dedicated core uses an alternate channel, then shared core function cannot be used.
3: AN0ALT and AN1ALT are not available on dsPIC33EPXXGS502 devices.

FIGURE 19-2: DEDICATED CORES 0 TO 3 BLOCK DIAGRAM

graph LR
    A["Positive Input"] --> B["PGAx"]
    C["Alternate Positive Input"] --> D["Negative Input"]
    E["AVss"] --> F["Negative Input Selection (DIFFx)(1)"]
    B --> G["Sample-and-Hold"]
    D --> G
    F --> G
    G --> H["12-Bit SAR ADC"]
    H --> I["Reference"]
    H --> J["Output Data"]
    H --> K["ADC Core Clock Divider (ADCS<6:0> bits)"]
    K --> L["Clock"]
    H --> M["Trigger Stops Sampling"]

Note 1: The DIFFx bit for the corresponding positive input channel must be set in order to use the negative differential input.

FIGURE 19-3: SHARED CORE BLOCK DIAGRAM

graph TD
    A["AN4"] --> B["Analog Channel Number from Current Trigger"]
    C["AN21"] --> B
    D["AN9(1)"] --> E["Negative Input Selection (DIFFx)(1)"]
    E --> F["Sampling Time"]
    F --> G["Shared Sample-and-Hold"]
    G --> H["12-Bit SAR ADC"]
    H --> I["ADC Core Clock Divider (SHRADC<6:0> bits)"]
    I --> J["Clock"]
    J --> K["Output Data"]
    L["AVss"] --> E
    M["SHRSAMC<9:0>"] --> K
    N["Reference"] --> H

Note 1: Differential-mode conversion is not available for the shared ADC core in dsPIC33EPXXGS502 devices. For all other devices, the DIFFx bit for the corresponding positive input channel must be set to use AN9 as the negative differential input.

19.2 Analog-to-Digital Converter Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

19.2.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
  • Development Tools

REGISTER 19-1: ADCON1L: ADC CONTROL REGISTER 1 LOW

R/W-0 U-0 R/W-0 U-0 U-0 U-0 U-0
ADON^(1)	—	A	D	S	I	D	L	——
bit 15 bit 8

Legend:	r = Reserved bit
R = Readable bit W = Writable bit		U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 ADON: ADC Enable bit ^(1)

1 = ADC module is enabled

0 = ADC module is off

bit 14 Unimplemented: Read as '0'

bit 13 ADSIDL: ADC Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode

0 = Continues module operation in Idle mode

bit 12-7 Unimplemented: Read as '0'

bit 6-3 Reserved: Maintain as '0'

bit 2-0 Unimplemented: Read as '0'

Note 1: Set the ADON bit only after the ADC module has been configured. Changing ADC Configuration bits when ADON = 1 will result in unpredictable behavior.

REGISTER 19-2: ADCON1H: ADC CONTROL REGISTER 1 HIGH

r-0 r-0 r-0 r-0 r-0 r-0 r-0
———	——— ——
bit 15 bit 8

R/W-0 R/W-1 R/W-1 r-0 r-0 r-0 r-0 r-0
FORM SHRRES1 SHRRES0			———	——
bit 7 bit 0

Legend:	r = Reserved bit
R = Readable bit W = Writable bit		U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-8 Reserved: Maintain as '0'

bit 7 FORM: Fractional Data Output Format bit

1 = Fractional

0 = Integer

bit 6-5 SHRRES<1:0>: Shared ADC Core Resolution Selection bits

11 = 12-bit resolution

10 = 10-bit resolution

01 = 8-bit resolution

00 = 6-bit resolution

bit 4-0 Reserved: Maintain as '0'

REGISTER 19-3: ADCON2L: ADC CONTROL REGISTER 2 LOW

R/W-0 R/W-0 r-0 R/W-0 r-0 R/W-0 R/W-0 R/W-0
REFCIE REFERCIE	—	E	I	E	N^(1)	SHREISESHREISHREISEL0 ^(1)
bit 15 bit 8

U-0 R/W-0 R/W-0 R/W-0 R/W-0			R/W-0 R/W-0 R/W-0
—	SHRADCS6	SHRADCS5	SHRADCS4	SHRADCS3	SHRADCS2	SHRADCS1	SHRADCS0
bit 7 bit 0

Legend:	r = Reserved bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15	REFCIE: Band Gap and Reference Voltage Ready Common Interrupt Enable bit1 = Common interrupt will be generated when the band gap will become ready0 = Common interrupt is disabled for the band gap ready event
bit 14	REFERCIE: Band Gap or Reference Voltage Error Common Interrupt Enable bit1 = Common interrupt will be generated when a band gap or reference voltage error is detected0 = Common interrupt is disabled for the band gap and reference voltage error event
bit 13	Reserved: Maintain as ‘0’
bit 12	EIEN: Early Interrupts Enable bit1 = The early interrupt feature is enabled for the input channel interrupts (when the EISTATx flag is set)0 = The individual interrupts are generated when conversion is done (when the ANxRDY flag is set)
bit 11	Reserved: Maintain as ‘0’
bit 10-8	SHREISEL<2:0>: Shared Core Early Interrupt Time Selection bits(1)111 = Early interrupt is set and interrupt is generated 8 TADCORE clocks prior to when the data is ready110 = Early interrupt is set and interrupt is generated 7 TADCORE clocks prior to when the data is ready101 = Early interrupt is set and interrupt is generated 6 TADCORE clocks prior to when the data is ready100 = Early interrupt is set and interrupt is generated 5 TADCORE clocks prior to when the data is ready011 = Early interrupt is set and interrupt is generated 4 TADCORE clocks prior to when the data is ready010 = Early interrupt is set and interrupt is generated 3 TADCORE clocks prior to when the data is ready001 = Early interrupt is set and interrupt is generated 2 TADCORE clocks prior to when the data is ready000 = Early interrupt is set and interrupt is generated 1 TADCORE clock prior to when the data is ready
bit 7	Unimplemented: Read as ‘0’
bit 6-0	SHRADCS<6:0>: Shared ADC Core Input Clock Divider bitsThese bits determine the number of TCORESRC (Source Clock Periods) for one shared TADCORE (Core Clock Period).1111111 = 254 Source Clock Periods···.0000011 = 6 Source Clock Periods0000010 = 4 Source Clock Periods0000001 = 2 Source Clock Periods0000000 = 2 Source Clock Periods

Note 1: For the 6-bit shared ADC core resolution (SHRES<1:0> = 00), the SHREISEL<2:0> settings, from '100' to '111', are not valid and should not be used. For the 8-bit shared ADC core resolution (SHRES<1:0> = 01), the SHREISEL<2:0> settings, '110' and '111', are not valid and should not be used.

REGISTER 19-4: ADCON2H: ADC CONTROL REGISTER 2 HIGH

R-0, HSC R-0, HSC r-0 r-0 r-0 R/W-0 R/W-0
REFRDY REFERR		— — —	— SHRSAMC9	SHRSAMC8
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0			R/W-0	R/W-0
SHRSAMC7	SHRSAMC6	SHRSAMC5	SHRSAMC4	SHRSAMC3	SHRSAMC2	SHRS	AMC1 SHRSA	MC0
bit 7							bit 0

Legend:	r = Reserved bit	U = Unimplemented bit, read as ‘0’
R = Readable bit W = Writable bit		HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 REFRDY: Band Gap and Reference Voltage Ready Flag bit

1 = Band gap is ready

0 = Band gap is not ready

bit 14 REFERR: Band Gap or Reference Voltage Error Flag bit

1 = Band gap was removed after the ADC module was enabled (ADON = 1)

0 = No band gap error was detected

bit 13-10 Reserved: Maintain as '0'

bit 9-0 SHRSAMC<9:0>: Shared ADC Core Sample Time Selection bits

These bits specify the number of shared ADC Core Clock Periods (T ADCORE) for the shared ADC core sample time.

1111111111 = 1025 TADCORE

•

•

[Non-Text]

0000000001 = 3 TADCORE

0000000000 = 2 TADCORE

REGISTER 19-5: ADCON3L: ADC CONTROL REGISTER 3 LOW

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0					R-0, HSC	R/W-0	R-0, HSC
REFSEL2	REFSEL1	REFS	EL0 SUSPEND	SUSPCIE SU	USPRDY SHR$	AMP CNVRTCH
bit 15 bit 8

R/W-0	R/W-0, HSC	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
SWLCTRG	$WCTRG CNV	CHSEL5	CNVC	CHSEL4	CNVC	HSEL3	CNVC
bit 7

Legend:	U = Unimplemented bit, read as ‘0’
R = Readable bit	W = Writable bit	HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-13 REFSEL<2:0>: ADC Reference Voltage Selection bits

Value	VREFH	VREFL
000 AV	DD	AVss

001-111 = Unimplemented: Do not use

bit 12 SUSPEND: All ADC Cores Triggers Disable bit

1 = All new trigger events for all ADC cores are disabled

0 = All ADC cores can be triggered

bit 11 SUSPCIE: Suspend All ADC Cores Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC core triggers are suspended (SUSPEND bit = 1) and all previous conversions are finished (SUSPRDY bit becomes set)

0 = Common interrupt is not generated for suspend ADC cores event

bit 10 SUSPRDY: All ADC Cores Suspended Flag bit

1 = All ADC cores are suspended (SUSPEND bit = 1) and have no conversions in progress

0 = ADC cores have previous conversions in progress

bit 9 SHRSAMP: Shared ADC Core Sampling Direct Control bit

This bit should be used with the individual channel conversion trigger controlled by the CNVRTCH bit. It connects an analog input, specified by the CNVCHSEL<5:0> bits, to the shared ADC core and allows extending the sampling time. This bit is not controlled by hardware and must be cleared before the conversion starts (setting CNVRTCH to '1').

1 = Shared ADC core samples an analog input specified by the CNVCHSEL<5:0> bits

0 = Sampling is controlled by the shared ADC core hardware

bit 8 CNVRTCH: Software Individual Channel Conversion Trigger bit

1 = Single trigger is generated for an analog input specified by the CNVCHSEL<5:0> bits; when the bit is set, it is automatically cleared by hardware on the next instruction cycle

0 = Next individual channel conversion trigger can be generated

bit 7 SWLCTRG: Software Level-Sensitive Common Trigger bit

1 = Triggers are continuously generated for all channels with the software, level-sensitive common trigger selected as a source in the ADTRIGxL and ADTRIGxH registers

0 = No software, level-sensitive common triggers are generated

bit 6 SWCTRG: Software Common Trigger bit

1 = Single trigger is generated for all channels with the software, common trigger selected as a source in the ADTRIGxL and ADTRIGxH registers; when the bit is set, it is automatically cleared by hardware on the next instruction cycle

0 = Ready to generate the next software, common trigger

bit 5-0 CNVCHSEL <5:0>: Channel Number Selection for Software Individual Channel Conversion Trigger bits

These bits define a channel to be converted when the CNVRTCH bit is set.

REGISTER 19-6: ADCON3H: ADC CONTROL REGISTER 3 HIGH

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
CLKSEL1	CLKSEL0	CLKD	IV5	CLKDIV4	CLKDIV3	CLKDIV2	CLKDIV1
bit 15 bit 8

R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
SHREN	—	—	—	C3EN	C2EN	C1EN	C0EN
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-14 CLKSEL<1:0>: ADC Module Clock Source Selection bits

11 = APLL

10 = FRC

01 = Fosc (System Clock x 2)

00 = Fsys (System Clock)

bit 13-8 CLKDIV<5:0>: ADC Module Clock Source Divider bits

The divider forms a TCORESRC clock used by all ADC cores (shared and dedicated) from the TSRC ADC module clock source selected by the CLKSEL<2:0> bits. Then, each ADC core individually divides the TCORESRC clock to get a core-specific TADCORE clock using the ADCS<6:0> bits in the ADCORExH register or the SHRADCS<6:0> bits in the ADCON2L register.

111111 = 64 Source Clock Periods

•

•

•

000011 = 4 Source Clock Periods

000010 = 3 Source Clock Periods

000001 = 2 Source Clock Periods

000000 = 1 Source Clock Period

bit 7 SHREN: Shared ADC Core Enable bit

1 = Shared ADC core is enabled

0 = Shared ADC core is disabled

bit 6-4 Unimplemented: Read as '0'

bit 3 C3EN: Dedicated ADC Core 3 Enable bits

1 = Dedicated ADC Core 3 is enabled

0 = Dedicated ADC Core 3 is disabled

bit 2 C2EN: Dedicated ADC Core 2 Enable bits

1 = Dedicated ADC Core 2 is enabled

0 = Dedicated ADC Core 2 is disabled

bit 1 C1EN: Dedicated ADC Core 1 Enable bits

1 = Dedicated ADC Core 1 is enabled

0 = Dedicated ADC Core 1 is disabled

bit 0 COEN: Dedicated ADC Core 0 Enable bits

1 = Dedicated ADC Core 0 is enabled

0 = Dedicated ADC Core 0 is disabled

REGISTER 19-7: ADCON4L: ADC CONTROL REGISTER 4 LOW

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— SYNCTRG3	SYNCTRG2	SYNCTRG1	SYNCTRG0
bit 15 bit 8

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— SAMC3EN	SAMC2EN SAMC1EN SAMC0EN
bit 7 bit 0

Legend:
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11 SYNCTRG3: Dedicated ADC Core 3 Trigger Synchronization bit

1 = All triggers are synchronized with the core source clock (T CORESRC)

0 = The ADC core triggers are not synchronized

bit 10 SYNCTRG2: Dedicated ADC Core 2 Trigger Synchronization bit

1 = All triggers are synchronized with the core source clock (T CORESRC)

0 = The ADC core triggers are not synchronized

bit 9 SYNCTRG1: Dedicated ADC Core 1 Trigger Synchronization bit

1 = All triggers are synchronized with the core source clock (T CORESRC)

0 = The ADC core triggers are not synchronized

bit 8 SYNCTRG0: Dedicated ADC Core 0 Trigger Synchronization bit

1 = All triggers are synchronized with the core source clock (T CORESRC)

0 = The ADC core triggers are not synchronized

bit 7-4 Unimplemented: Read as '0'

bit 3 SAMC3EN: Dedicated ADC Core 3 Conversion Delay Enable bit

1 = After trigger, the conversion will be delayed and the ADC core will continue sampling during the time specified by the SAMC<9:0> bits in the ADCORE3L register

0 = After trigger, the sampling will be stopped immediately and the conversion will be started on the next core clock cycle

bit 2 SAMC2EN: Dedicated ADC Core 2 Conversion Delay Enable bit

1 = After trigger, the conversion will be delayed and the ADC core will continue sampling during the time specified by the SAMC<9:0> bits in the ADCORE2L register

0 = After trigger, the sampling will be stopped immediately and the conversion will be started on the next core clock cycle

bit 1 SAMC1EN: Dedicated ADC Core 1 Conversion Delay Enable bit

1 = After trigger, the conversion will be delayed and the ADC core will continue sampling during the time specified by the SAMC<9:0> bits in the ADCORE1L register

0 = After trigger, the sampling will be stopped immediately and the conversion will be started on the next core clock cycle

bit 0 SAMC0EN: Dedicated ADC Core 0 Conversion Delay Enable bit

1 = After trigger, the conversion will be delayed and the ADC core will continue sampling during the time specified by the SAMC<9:0> bits in the ADCORE0L register

0 = After trigger, the sampling will be stopped immediately and the conversion will be started on the next core clock cycle

REGISTER 19-8: ADCON4H: ADC CONTROL REGISTER 4 HIGH

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	——	——
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
C3CHS1 C3	CHS0 C2	CHS1 C2	CHS0 C1	CHS1 C1	CHS0 C0	CHS1 C0	CHS0
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	x = Bit is unknown

bit 15-8 Unimplemented: Read as '0'

bit 7-6 C3CHS<1:0>: Dedicated ADC Core 3 Input Channel Selection bits 1x = Reserved 01 = AN15 (differential negative input when DIFF3 (ADMOD0L<7>) = 1) 00 = AN3

bit 5-4 C2CHS<1:0>: Dedicated ADC Core 2 Input Channel Selection bits 11 = Reserved 10 = VREF Band Gap 01 = AN11 (differential negative input when DIFF2 (ADMOD0L<5>) = 1) 00 = AN2

bit 3-2 C1CHS<1:0>: Dedicated ADC Core 1 Input Channel Selection bits 11 = AN1ALT 10 = PGA2 01 = AN18 (differential negative input when DIFF1 (ADMOD0L<3>) = 1) 00 = AN1

bit 1-0 C0CHS<1:0>: Dedicated ADC Core 0 Input Channel Selection bits 11 = AN0ALT 10 = PGA1 01 = AN7 (differential negative input when DIFF0 (ADMOD0L<1>) = 1) 00 = AN0

REGISTER 19-9: ADCON5L: ADC CONTROL REGISTER 5 LOW

R-0, HSC U-0 U-0 U-0 R-0, HSC R-0, HSC R-0, HSC R-0, HSC
SHRRDY	— — —	C3RDY C2RDY	C1RDY C0RDY
bit 15 bit 8

R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
SHRPWR	— — —	C3PWR	C2PWR	C1PWR	C0PWR
bit 7 bit 0

Legend:	U = Unimplemented bit, read as ‘0’
R = Readable bit	W = Writable bit	HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15	SHRRDY: Shared ADC Core Ready Flag bit1 = ADC core is powered and ready for operation0 = ADC core is not ready for operation
bit 14-12	Unimplemented: Read as ‘0’
bit 11	C3RDY: Dedicated ADC Core 3 Ready Flag bit1 = ADC core is powered and ready for operation0 = ADC core is not ready for operation
bit 10	C2RDY: Dedicated ADC Core 2 Ready Flag bit1 = ADC core is powered and ready for operation0 = ADC core is not ready for operation
bit 9	C1RDY: Dedicated ADC Core 1 Ready Flag bit1 = ADC core is powered and ready for operation0 = ADC core is not ready for operation
bit 8	CORDY: Dedicated ADC Core 0 Ready Flag bit1 = ADC core is powered and ready for operation0 = ADC core is not ready for operation
bit 7	SHRPWR: Shared ADC Core x Power Enable bit1 = ADC Core x is powered0 = ADC Core x is off
bit 6-4	Unimplemented: Read as ‘0’
bit 3	C3PWR: Dedicated ADC Core 3 Power Enable bit1 = ADC core is powered0 = ADC core is off
bit 2	C2PWR: Dedicated ADC Core 2 Power Enable bit1 = ADC core is powered0 = ADC core is off
bit 1	C1PWR: Dedicated ADC Core 1 Power Enable bit1 = ADC core is powered0 = ADC core is off
bit 0	C0PWR: Dedicated ADC Core 0 Power Enable bit1 = ADC core is powered0 = ADC core is off

REGISTER 19-10: ADCON5H: ADC CONTROL REGISTER 5 HIGH

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	— WARMTIME	3 WARMTIME	2 WARMTIME	1 WARMTIME	0
bit 15 bit 8

R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
SHRCIE	—	—	—	C3CIE	C2CIE	C1CIE	C0CIE
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11-8 WARMTIME<3:0>: ADC Dedicated Core x Power-up Delay bits

These bits determine the power-up delay in the number of the Core Source Clock Periods (CORESRC) for all ADC cores.

1111 = 32768 Source Clock Periods
1110 = 16384 Source Clock Periods
1101 = 8192 Source Clock Periods
1100 = 4096 Source Clock Periods
1011 = 2048 Source Clock Periods
1010 = 1024 Source Clock Periods
1001 = 512 Source Clock Periods
1000 = 256 Source Clock Periods
0111 = 128 Source Clock Periods
0110 = 64 Source Clock Periods
0101 = 32 Source Clock Periods
0100 = 16 Source Clock Periods
00xx = 16 Source Clock Periods

bit 7 SHRCIE: Shared ADC Core Ready Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC core is powered and ready for operation
0 = Common interrupt is disabled for an ADC core ready event

bit 6-4 Unimplemented: Read as '0'

bit 3 C3CIE: Dedicated ADC Core 3 Ready Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC Core 3 is powered and ready for operation

0 = Common interrupt is disabled for an ADC Core 3 ready event

bit 2 C2CIE: Dedicated ADC Core 2 Ready Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC Core 2 is powered and ready for operation

0 = Common interrupt is disabled for an ADC Core 2 ready event

bit 1 C1CIE: Dedicated ADC Core 1 Ready Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC Core 1 is powered and ready for operation

0 = Common interrupt is disabled for an ADC Core 1 ready event

bit 0 C0CIE: Dedicated ADC Core 0 Ready Common Interrupt Enable bit

1 = Common interrupt will be generated when ADC Core 0 is powered and ready for operation

0 = Common interrupt is disabled for an ADC Core 0 ready event

REGISTER 19-11: ADCORExL: DEDICATED ADC CORE x CONTROL REGISTER LOW (x = 0 to 3)

U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0
— — —	— — — SAM<9:8>
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

SAMC<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-10 Unimplemented: Read as '0'

bit 9-0 SAMC<9:0>: Dedicated ADC Core x Conversion Delay Selection bits

These bits determine the time between the trigger event and the start of conversion in the number of the Core Clock Periods (TADCORE). During this time, the ADC Core x still continues sampling. This feature is enabled by the SAMCxEN bits in the ADCON4L register.

1111111111 = 1025 TADCORE

•

.

.

0000000001 = 3 TADCORE

0000000000 = 2 TADCORE

REGISTER 19-12: ADCORExH: DEDICATED ADC CORE x CONTROL REGISTER HIGH (x = 0 to 3) ^(1)

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-1 R/W-1
— — —	EISEL2 EISEL	1 EISEL0 RES	1 RES0
bit 15 bit 8

U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	ADCS6	ADCS5	ADCS4	ADCS3	ADCS2	ADCS1	ADCS0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12-10 EISEL<2:0>: ADC Core x Early Interrupt Time Selection bits

111 = Early interrupt is set and an interrupt is generated 8 TADCORE clocks prior to when the data is ready 110 = Early interrupt is set and an interrupt is generated 7 TADCORE clocks prior to when the data is ready 101 = Early interrupt is set and an interrupt is generated 6 TADCORE clocks prior to when the data is ready 100 = Early interrupt is set and an interrupt is generated 5 TADCORE clocks prior to when the data is ready 011 = Early interrupt is set and an interrupt is generated 4 TADCORE clocks prior to when the data is ready 010 = Early interrupt is set and an interrupt is generated 3 TADCORE clocks prior to when the data is ready 001 = Early interrupt is set and an interrupt is generated 2 TADCORE clocks prior to when the data is ready 000 = Early interrupt is set and an interrupt is generated 1 TADCORE clock prior to when the data is ready

bit 9-8 RES<1:0>: ADC Core x Resolution Selection bits

11 = 12-bit resolution 10 = 10-bit resolution 01 = 8-bit resolution 00 = 6-bit resolution

bit 7 Unimplemented: Read as '0'

bit 6-0 ADCS<6:0>: ADC Core x Input Clock Divider bits

These bits determine the number of Source Clock Periods (TCORESRC) for one Core Clock Period (TADCORE). 1111111 = 254 Source Clock Periods . . . 0000011 = 6 Source Clock Periods 0000010 = 4 Source Clock Periods 0000001 = 2 Source Clock Periods 0000000 = 2 Source Clock Periods

Note 1: For the 6-bit ADC core resolution (RES<1:0> = 00), the EISEL<2:0> bits settings, from '100' to '111', are not valid and should not be used. For the 8-bit ADC core resolution (RES<1:0> = 01), the EISEL<2:0> bits settings, '110' and '111', are not valid and should not be used.

REGISTER 19-13: ADLVLTRGL: ADC LEVEL-SENSITIVE TRIGGER CONTROL REGISTER LOW

R/W-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0

LVLEN<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

LVLEN<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 LVLEN<15:0>: Level Trigger for Corresponding Analog Input Enable bits

1 = Input trigger is level-sensitive

0 = Input trigger is edge-sensitive

REGISTER 19-14: ADLVLTRGH: ADC LEVEL-SENSITIVE TRIGGER CONTROL REGISTER HIGH

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 LVLEN<21:16>: Level Trigger for Corresponding Analog Input Enable bits

1 = Input trigger is level-sensitive

0 = Input trigger is edge-sensitive

REGISTER 19-15: ADEIEL: ADC EARLY INTERRUPT ENABLE REGISTER LOW

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

EIEN<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

EIEN<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 EIEN<15:0>: Early Interrupt Enable for Corresponding Analog Inputs bits

1 = Early interrupt is enabled for the channel

0 = Early interrupt is disabled for the channel

REGISTER 19-16: ADEIEH: ADC EARLY INTERRUPT ENABLE REGISTER HIGH

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 EIEN<21:16>: Early Interrupt Enable for Corresponding Analog Inputs bits

1 = Early interrupt is enabled for the channel

0 = Early interrupt is disabled for the channel

REGISTER 19-17: ADEISTATL: ADC EARLY INTERRUPT STATUS REGISTER LOW

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

EISTAT<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

EISTAT<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 EISTAT<15:0>: Early Interrupt Status for Corresponding Analog Inputs bits

1 = Early interrupt was generated
0 = Early interrupt was not generated since the last ADCBUFx read

REGISTER 19-18: ADEISTATH: ADC EARLY INTERRUPT STATUS REGISTER HIGH

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 EISTAT<21:16>: Early Interrupt Status for Corresponding Analog Inputs bits

1 = Early interrupt was generated
0 = Early interrupt was not generated since the last ADCBUFx read

REGISTER 19-19: ADMODOL: ADC INPUT MODE CONTROL REGISTER 0 LOW

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DIFF7 SIGN	N7	DIFF6 SIGN	N6	DIFF5 SIGN	N5	DIFF4 SIGN	4
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DIFF3 SIGN	N3	DIFF2 SIGN	N2	DIFF1 SIGN	1	DIFF0 SIGN	0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-1(odd) DIFF<7:0>: Differential-Mode for Corresponding Analog Inputs bits

1 = Channel is differential

0 = Channel is single-ended

bit 14-0 (even) SIGN<7:0>: Output Data Sign for Corresponding Analog Inputs bits

1 = Channel output data is signed

0 = Channel output data is unsigned

REGISTER 19-20: ADMOD0H: ADC INPUT MODE CONTROL REGISTER 0 HIGH

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DIFF15	SIGN15	DIFF14	SIGN14	DIFF13	SIGN13	DIFF12	SIGN12
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DIFF11	SIGN11	DIFF10	SIGN10	DIFF9	SIGN9	DIFF8	SIGN8
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-1(odd) DIFF<15:8>: Differential-Mode for Corresponding Analog Inputs bits

1 = Channel is differential

0 = Channel is single-ended

bit 14-0 (even) SIGN<15:8>: Output Data Sign for Corresponding Analog Inputs bits

1 = Channel output data is signed

0 = Channel output data is unsigned

REGISTER 19-21: ADMOD1L: ADC INPUT MODE CONTROL REGISTER 1 LOW

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	DIFF21 SIGN	N21 DIFF20 S	GN20
bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DIFF19	SIGN19 DIFF18 SIGN18	DIFF17 SIGN17	DIFF16 SIGN16
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11-1(odd) DIFF<21:16>: Differential-Mode for Corresponding Analog Inputs bits

1 = Channel is differential
0 = Channel is single-ended

bit 10-0 (even) SIGN<21:16>: Output Data Sign for Corresponding Analog Inputs bits

1 = Channel output data is signed
0 = Channel output data is unsigned

REGISTER 19-22: ADIEL: ADC INTERRUPT ENABLE REGISTER LOW

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

IE<15:8>

bit 15 bit 8

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

IE<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 IE<15:0>: Common Interrupt Enable bits

1 = Common and individual interrupts are enabled for the corresponding channel
0 = Common and individual interrupts are disabled for the corresponding channel

REGISTER 19-23: ADIEH: ADC INTERRUPT ENABLE REGISTER HIGH

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0'

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 IE<21:16>: Common Interrupt Enable bits

1 = Common and individual interrupts are enabled for the corresponding channel
0 = Common and individual interrupts are disabled for the corresponding channel

REGISTER 19-24: ADSTATL: ADC DATA READY STATUS REGISTER LOW

R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC

AN<15:8>RDY

bit 15 bit 8

R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC

AN<7:0>RDY

bit 7 bit 0

Legend:	U = Unimplemented bit, read as '0'
R = Readable bit W = Writable bit HSC = Hardware Settable/Clearable bit -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0

AN<15:0>RDY: Common Interrupt Enable for Corresponding Analog Inputs bits1 = Channel conversion result is ready in the corresponding ADCBUFx register0 = Channel conversion result is not ready

REGISTER 19-25: ADSTATH: ADC DATA READY STATUS REGISTER HIGH

Legend: U = Unimplemented bit, read as '0'

R = Readable bit W = Writable bit HSC = Hardware Settable/Clearable bit

-n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 AN<21:16>RDY: Common Interrupt Enable for Corresponding Analog Inputs bits

1 = Channel conversion result is ready in the corresponding ADCBUFx register

0 = Channel conversion result is not ready

REGISTER 19-26: ADTRIGxL: ADC CHANNEL TRIGGER x SELECTION REGISTER LOW (x = 0 to 5)

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	TRGSRC(4x+1)<4:0>
bit 15 bit 8

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —			TRGSRC(4x)<4:0>
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12-8 TRGSRC(4x+1)<4:0>: Trigger Source Selection for Corresponding Analog Inputs bits

11111 = ADTRG31
11110 = Reserved
11101 = Reserved
11100 = PWM Generator 5 current-limit trigger
11011 = PWM Generator 4 current-limit trigger
11010 = PWM Generator 3 current-limit trigger
11001 = PWM Generator 2 current-limit trigger
11000 = PWM Generator 1 current-limit trigger
10111 = Output Compare 2 trigger
10110 = Output Compare 1 trigger
10101 = Reserved
10100 = Reserved
10011 = PWM Generator 5 secondary trigger
10010 = PWM Generator 4 secondary trigger
10001 = PWM Generator 3 secondary trigger
10000 = PWM Generator 2 secondary trigger
01111 = PWM Generator 1 secondary trigger
01110 = PWM secondary Special Event Trigger
01101 = Timer2 period match
01100 = Timer1 period match
01011 = Reserved
01010 = Reserved
01001 = PWM Generator 5 primary trigger
01000 = PWM Generator 4 primary trigger
00111 = PWM Generator 3 primary trigger
00110 = PWM Generator 2 primary trigger
00101 = PWM Generator 1 primary trigger
00100 = PWM Special Event Trigger
00011 = Reserved
00010 = Level software trigger
00001 = Common software trigger
00000 = No trigger is enabled 

bit 7-5 Unimplemented: Read as '0'

REGISTER 19-26: ADTRIGxL: ADC CHANNEL TRIGGER x SELECTION REGISTER LOW (x = 0 to 5) (CONTINUED)

bit 4-0 TRGSRC(4x)<4:0>: Trigger Source Selection for Corresponding Analog Inputs bits

11111 = ADTRG31
11110 = Reserved
11101 = Reserved
11100 = PWM Generator 5 current-limit trigger
11011 = PWM Generator 4 current-limit trigger
11010 = PWM Generator 3 current-limit trigger
11001 = PWM Generator 2 current-limit trigger
11000 = PWM Generator 1 current-limit trigger
10111 = Output Compare 2 trigger
10110 = Output Compare 1 trigger
10101 = Reserved
10100 = Reserved
10011 = PWM Generator 5 secondary trigger
10010 = PWM Generator 4 secondary trigger
10001 = PWM Generator 3 secondary trigger
10000 = PWM Generator 2 secondary trigger
01111 = PWM Generator 1 secondary trigger
01110 = PWM secondary Special Event Trigger
01101 = Timer2 period match
01100 = Timer1 period match
01011 = Reserved
01010 = Reserved
01001 = PWM Generator 5 primary trigger
01000 = PWM Generator 4 primary trigger
00111 = PWM Generator 3 primary trigger
00110 = PWM Generator 2 primary trigger
00101 = PWM Generator 1 primary trigger
00100 = PWM Special Event Trigger
00011 = Reserved
00010 = Level software trigger
00001 = Common software trigger
00000 = No trigger is enabled 

REGISTER 19-27: ADTRIGxH: ADC CHANNEL TRIGGER x SELECTION REGISTER HIGH (x = 0 to 5)

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — + TRGSRC(4x+3)<4:0>
bit 15 bit 8

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — + TRGSRC(4x+2)<4:0>
bit 7	bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-13 Unimplemented: Read as '0'

bit 12-8 TRGSRC(4x+3)<4:0>: Trigger Source Selection for Corresponding Analog Inputs bits

11111 = ADTRG31
11110 = Reserved
11101 = Reserved
11100 = PWM Generator 5 current-limit trigger
11011 = PWM Generator 4 current-limit trigger
11010 = PWM Generator 3 current-limit trigger
11001 = PWM Generator 2 current-limit trigger
11000 = PWM Generator 1 current-limit trigger
10111 = Output Compare 2 trigger
10110 = Output Compare 1 trigger
10101 = Reserved
10100 = Reserved
10011 = PWM Generator 5 secondary trigger
10010 = PWM Generator 4 secondary trigger
10001 = PWM Generator 3 secondary trigger
10000 = PWM Generator 2 secondary trigger
01111 = PWM Generator 1 secondary trigger
01110 = PWM secondary Special Event Trigger
01101 = Timer2 period match
01100 = Timer1 period match
01011 = Reserved
01010 = Reserved
01001 = PWM Generator 5 primary trigger
01000 = PWM Generator 4 primary trigger
00111 = PWM Generator 3 primary trigger
00110 = PWM Generator 2 primary trigger
00101 = PWM Generator 1 primary trigger
00100 = PWM Special Event Trigger
00011 = Reserved
00010 = Level software trigger
00001 = Common software trigger
00000 = No trigger is enabled 

bit 7-5 Unimplemented: Read as '0'

REGISTER 19-27: ADTRIGxH: ADC CHANNEL TRIGGER x SELECTION REGISTER HIGH (x = 0 to 5) (CONTINUED)

bit 4-0 TRGSRC(4x+2)<4:0>: Trigger Source Selection for Corresponding Analog Inputs bits

11111 = ADTRG31
11110 = Reserved
11101 = Reserved
11100 = PWM Generator 5 current-limit trigger
11011 = PWM Generator 4 current-limit trigger
11010 = PWM Generator 3 current-limit trigger
11001 = PWM Generator 2 current-limit trigger
11000 = PWM Generator 1 current-limit trigger
10111 = Output Compare 2 trigger
10110 = Output Compare 1 trigger
10101 = Reserved
10100 = Reserved
10011 = PWM Generator 5 secondary trigger
10010 = PWM Generator 4 secondary trigger
10001 = PWM Generator 3 secondary trigger
10000 = PWM Generator 2 secondary trigger
01111 = PWM Generator 1 secondary trigger
01110 = PWM secondary Special Event Trigger
01101 = Timer2 period match
01100 = Timer1 period match
01011 = Reserved
01010 = Reserved
01001 = PWM Generator 5 primary trigger
01000 = PWM Generator 4 primary trigger
00111 = PWM Generator 3 primary trigger
00110 = PWM Generator 2 primary trigger
00101 = PWM Generator 1 primary trigger
00100 = PWM Special Event Trigger
00011 = Reserved
00010 = Level software trigger
00001 = Common software trigger
00000 = No trigger is enabled 

REGISTER 19-28: ADCAL0L: ADC CALIBRATION REGISTER 0 LOW

R-0, HSC U-0 U-0 U-0 r-0 R/W-0 R/W-0 R/W-0
CAL1RDY	— — —	— CAL1DIFF	CAL1EN CAL1	RUN
bit 15 bit 8

R-0, HSC U-0 U-0 U-0 r-0 R/W-0 R/W-0 R/W-0
CAL0RDY	— — —	— CAL0DIFF	CAL0EN CAL0	RUN
bit 7 bit 0

Legend:	r = Reserved bit	U = Unimplemented bit, read as ‘0’
R = Readable bit W = Writable bit		HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15	CAL1RDY: Dedicated ADC Core 1 Calibration Status Flag bit1 = Dedicated ADC Core 1 calibration is finished0 = Dedicated ADC Core 1 calibration is in progress
bit 14-12	Unimplemented: Read as ‘0’
bit 11	Reserved: Must be written as ‘0’
bit 10	CAL1DIFF: Dedicated ADC Core 1 Differential-Mode Calibration bit1 = Dedicated ADC Core 1 will be calibrated in Differential Input mode0 = Dedicated ADC Core 1 will be calibrated in Single-Ended Input mode
bit 9	CAL1EN: Dedicated ADC Core 1 Calibration Enable bit1 = Dedicated ADC Core 1 calibration bits (CALxRDY, CALxDIFF and CALxRUN) can be accessed by software0 = Dedicated ADC Core 1 calibration bits are disabled
bit 8	CAL1RUN: Dedicated ADC Core 1 Calibration Start bit1 = If this bit is set by software, the dedicated ADC Core 1 calibration cycle is started; this bit is automatically cleared by hardware0 = Software can start the next calibration cycle
bit 7	CAL0RDY: Dedicated ADC Core 0 Calibration Status Flag bit1 = Dedicated ADC Core 0 calibration is finished0 = Dedicated ADC Core 0 calibration is in progress
bit 6-4	Unimplemented: Read as ‘0’
bit 3	Reserved: Must be written as ‘0’
bit 2	CAL0DIFF: Dedicated ADC Core 0 Differential-Mode Calibration bit1 = Dedicated ADC Core 0 will be calibrated in Differential Input mode0 = Dedicated ADC Core 0 will be calibrated in Single-Ended Input mode
bit 1	CAL0EN: Dedicated ADC Core 0 Calibration Enable bit1 = Dedicated ADC Core 0 calibration bits (CALxRDY, CALxDIFF and CALxRUN) can be accessed by software0 = Dedicated ADC Core 0 calibration bits are disabled
bit 0	CAL0RUN: Dedicated ADC Core 0 Calibration Start bit1 = If this bit is set by software, the dedicated ADC Core 0 calibration cycle is started; this bit is automatically cleared by hardware0 = Software can start the next calibration cycle

REGISTER 19-29: ADCAL0H: ADC CALIBRATION REGISTER 0 HIGH

R-0, HSC U-0 U-0 U-0 r-0 R/W-0 R/W-0 R/W-0
CAL3RDY	— — —	— CAL3DIFF	CAL3EN CAL3	RUN
bit 15 bit 8

R-0, HSC U-0 U-0 U-0 r-0 R/W-0 R/W-0 R/W-0
CAL2RDY	— — —	— CAL2DIFF	CAL2EN CAL2	RUN
bit 7 bit 0

Legend:	r = Reserved bit U = Unimplemented bit, read as ‘0’
R = Readable bit W = Writable bit		HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 CAL3RDY: Dedicated ADC Core 3 Calibration Status Flag bit

1 = Dedicated ADC Core 3 calibration is finished

0 = Dedicated ADC Core 3 calibration is in progress

bit 14-12 Unimplemented: Read as '0'

bit 11 Reserved: Must be written as '0'

bit 10 CAL3DIFF: Dedicated ADC Core 3 Differential-Mode Calibration bit

1 = Dedicated ADC Core 3 will be calibrated in Differential Input mode

0 = Dedicated ADC Core 3 will be calibrated in Single-Ended Input mode

bit 9 CAL3EN: Dedicated ADC Core 3 Calibration Enable bit

1 = Dedicated ADC Core 3 calibration bits (CALxRDY, CALxDIFF and CALxRUN) can be accessed by software

0 = Dedicated ADC Core 3 calibration bits are disabled

bit 8 CAL3RUN: Dedicated ADC Core 3 Calibration Start bit

1 = If this bit is set by software, the dedicated ADC Core 3 calibration cycle is started; this bit is automatically cleared by hardware

0 = Software can start the next calibration cycle

bit 7 CAL2RDY: Dedicated ADC Core 2 Calibration Status Flag bit

1 = Dedicated ADC Core 2 calibration is finished

0 = Dedicated ADC Core 2 calibration is in progress

bit 6-4 Unimplemented: Read as '0'

bit 3 Reserved: Must be written as '0'

bit 2 CAL2DIFF: Dedicated ADC Core 2 Differential-Mode Calibration bit

1 = Dedicated ADC Core 2 will be calibrated in Differential Input mode

0 = Dedicated ADC Core 2 will be calibrated in Single-Ended Input mode

bit 1 CAL2EN: Dedicated ADC Core 2 Calibration Enable bit

1 = Dedicated ADC Core 2 calibration bits (CALxRDY, CALxDIFF and CALxRUN) can be accessed by software

0 = Dedicated ADC Core 2 calibration bits are disabled

bit 0 CAL2RUN: Dedicated ADC Core 2 Calibration Start bit

1 = If this bit is set by software, the dedicated ADC Core 2 calibration cycle is started; this bit is automatically cleared by hardware

0 = Software can start the next calibration cycle

REGISTER 19-30: ADCAL1H: ADC CALIBRATION REGISTER 1 HIGH

R/W-0, HS U-0 U-0 U-0 r-0 R/W-0 R/W-0 R/W-0
CSHRRDY	— — —	— CSHRDIFF	CSHREN CSH	RRUN
bit 15 bit 8

Legend:	r = Reserved bit	U = Unimplemented bit, read as '0'
R = Readable bit	W = Writable bit	HS = Hardware Settable bit
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 CSHRRDY: Shared ADC Core Calibration Status Flag bit

1 = Shared ADC core calibration is finished

0 = Shared ADC core calibration is in progress

bit 14-12 Unimplemented: Read as '0'

bit 11 Reserved: Must be written as '0'

bit 10 CSHRDIFF: Shared ADC Core Differential-Mode Calibration bit

1 = Shared ADC core will be calibrated in Differential Input mode

0 = Shared ADC core will be calibrated in Single-Ended Input mode

bit 9 CSHREN: Shared ADC Core Calibration Enable bit

1 = Shared ADC core calibration bits (CSHRRDY, CSHRDIFF and CSHRRUN) can be accessed by software

0 = Shared ADC core calibration bits are disabled

bit 8 CSHRRUN: Shared ADC Core Calibration Start bit

1 = If this bit is set by software, the shared ADC core calibration cycle is started; this bit is cleared automatically by hardware

0 = Software can start the next calibration cycle

bit 7-0 Unimplemented: Read as '0'

REGISTER 19-31: ADCMPxCON: ADC DIGITAL COMPARATOR x CONTROL REGISTER (x = 0 or 1)

U-0 U-0 U-0 R-0, HSC R-0, HSC R-0, HSC R-0, HSC R-0, HSC
— — —	CHNL4 CHNL3	CHNL2 CHNL1	CHNL0
bit 15 bit 8

R/W-0 R/W-0 R-0, HC, HS R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
CMPEN	IE	STAT	BTWN	HIHI	HILO	LOHI	LOLO
bit 7 bit 0

Legend:	HC = Hardware Clearable bit	U = Unimplemented bit, read as '0'
R = Readable bit	W = Writable bit	HSC = Hardware Settable/Clearable bit
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared	HS = Hardware Settable bit

bit 15-13 Unimplemented: Read as '0'

bit 12-8 CHNL<4:0>: Input Channel Number bits

If the comparator has detected an event for a channel, this channel number is written to these bits. 11111 = Reserved

- 
- 
10110 = Reserved
10101 = AN21
10100 = AN20
-
-
00001 = AN1
00000 = AN0 

bit 7 CMPEN: Comparator Enable bit

1 = Comparator is enabled
0 = Comparator is disabled and the STAT status bit is cleared 

bit 6 IE: Comparator Common ADC Interrupt Enable bit

1 = Common ADC interrupt will be generated if the comparator detects a comparison event
0 = Common ADC interrupt will not be generated for the comparator 

bit 5 STAT: Comparator Event Status bit

This bit is cleared by hardware when the channel number is read from the CHNL<4:0> bits.
1 = A comparison event has been detected since the last read of the CHNL<4:0> bits
0 = A comparison event has not been detected since the last read of the CHNL<4:0> bits 

bit 4 BTWN: Between Low/High Comparator Event bit

1 = Generates a comparator event when ADCMPxLO ≤ ADCBUFx < ADCMPxHI
0 = Does not generate a digital comparator event when ADCMPxLO ≤ ADCBUFx < ADCMPxHI 

bit 3 HIHI: High/High Comparator Event bit

1 = Generates a digital comparator event when ADCBUFx ≥ ADCMPxHI
0 = Does not generate a digital comparator event when ADCBUFx ≥ ADCMPxHI 

bit 2 HILO: High/Low Comparator Event bit

1 = Generates a digital comparator event when ADCBUFx < ADCMPxHI
0 = Does not generate a digital comparator event when ADCBUFx < ADCMPxHI 

bit 1 LOHI: Low/High Comparator Event bit

1 = Generates a digital comparator event when ADCBUFx ≥ ADCMPxLO
0 = Does not generate a digital comparator event when ADCBUFx ≥ ADCMPxLO 

bit 0 LOLO: Low/Low Comparator Event bit

1 = Generates a digital comparator event when ADCBUFx < ADCMPxLO
0 = Does not generate a digital comparator event when ADCBUFx < ADCMPxLO 

REGISTER 19-32: ADCMPxENL: ADC DIGITAL COMPARATOR x CHANNEL ENABLE REGISTER LOW (x = 0 or 1)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

CMPEN<15:8>

bit 15 bit 8

R/W/0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

CMPEN<7:0>

bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-0 CMPEN<15:0>: Comparator Enable for Corresponding Input Channels bits 1 = Conversion result for corresponding channel is used by the comparator 0 = Conversion result for corresponding channel is not used by the comparator

REGISTER 19-33: ADCMPxENH: ADC DIGITAL COMPARATOR x CHANNEL ENABLE REGISTER HIGH (x = 0 or 1)

U-0	U-0	U-0	U-0	U-0	U-0	U-0	R/W-0
——	————
bit 15 bit 8

U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— —		CMPEN<21:16>
bit 7 bit 0

Legend:

R = Readable bit W = Writable bit U = Unimplemented bit, read as '0' -n = Value at POR '1' = Bit is set '0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 CMPEN<21:16>: Comparator Enable for Corresponding Input Channels bits 1 = Conversion result for corresponding channel is used by the comparator 0 = Conversion result for corresponding channel is not used by the comparator

REGISTER 19-34: ADFLxCON: ADC DIGITAL FILTER x CONTROL REGISTER (x = 0 or 1)

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R-0, HSC
FLEN MODE1 MODE0 OVR SAM2 OVR SAM1 OVR SAM0 IE RDY
bit 15 bit 8

U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
—	—	—	FLCHSEL4	FLCHSEL3	FLCHSEL2	FLCHSEL1	FLCHSEL0
bit 7 bit 0

Legend:	U = Unimplemented bit, read as ‘0’
R = Readable bit	W = Writable bit	HSC = Hardware Settable/Clearable bit
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 FLEN: Filter Enable bit

1 = Filter is enabled

0 = Filter is disabled and the RDY bit is cleared

bit 14-13 MODE<1:0>: Filter Mode bits

11 = Averaging mode

10 = Reserved

01 = Reserved

00 = Oversampling mode

bit 12-10 OVRSAM<2:0>: Filter Averaging/Oversampling Ratio bits

If MODE<1:0>=00:

111 = 128x (16-bit result in the ADFLxDAT register is in 12.4 format)

110 = 32x (15-bit result in the ADFLxDAT register is in 12.3 format)

101 = 8x (14-bit result in the ADFLxDAT register is in 12.2 format)

100 = 2x (13-bit result in the ADFLxDAT register is in 12.1 format)

011 = 256x (16-bit result in the ADFLxDAT register is in 12.4 format)

010 = 64x (15-bit result in the ADFLxDAT register is in 12.3 format)

001 = 16x (14-bit result in the ADFLxDAT register is in 12.2 format)

000 = 4x (13-bit result in the ADFLxDAT register is in 12.1 format)

If MODE<1:0>=11 (12-bit result in the ADFLxDAT register in all instances):

111 = 256x

110 = 128x

101 = 64x

100 = 32x

011 = 16x

010 = 8

001 = 4x

000 = 2x

bit 9 IE: Filter Common ADC Interrupt Enable bit

1 = Common ADC interrupt will be generated when the filter result will be ready

0 = Common ADC interrupt will not be generated for the filter

bit 8 RDY: Oversampling Filter Data Ready Flag bit

This bit is cleared by hardware when the result is read from the ADFLxDAT register.

1 = Data in the ADFLxDAT register is ready

0 = The ADFLxDAT register has been read and new data in the ADFLxDAT register is not ready

bit 7-5 Unimplemented: Read as '0'

REGISTER 19-34: ADFLxCON: ADC DIGITAL FILTER x CONTROL REGISTER (x = 0 or 1) (CONTINUED)

bit 4-0 FLCHSEL<4:0>: Oversampling Filter Input Channel Selection bits

11111 = Reserved

•

•

•

10110 = Reserved

10101 = AN21

10100 = AN20

•

•

.

00001 = AN1

00000 = AN0

NOTES:

20.0 HIGH-SPEED ANALOG COMPARATOR

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “High-Speed Analog Comparator Module” (DS70005128) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The high-speed analog comparator module monitors current and/or voltage transients that may be too fast for the CPU and ADC to capture.

20.1 Features Overview

The SMPS comparator module offers the following major features:

• Four Rail-to-Rail Analog Comparators
• Dedicated 12-Bit DAC for each Analog Comparator
- Up to Six Selectable Input Sources per Comparator:

- Four external inputs

- Two internal inputs from the PGAx module

• Programmable Comparator Hysteresis
  • Programmable Output Polarity
• Up to Two DAC Outputs to Device Pins
• Multiple Voltage References for the DAC:

- External References (EXTREF1 or EXTREF2)

- AVDD

• Interrupt Generation Capability
  • Functional Support for PWMx:

• PWMx duty cycle control

• PWMx period control
• PWMx Fault detected

20.2 Module Description

Figure 20-1 shows a functional block diagram of one analog comparator from the high-speed analog comparator module. The analog comparator provides high-speed operation with a typical delay of 15 ns. The negative input of the comparator is always connected to the DACx circuit. The positive input of the comparator is connected to an analog multiplexer that selects the desired source pin.

The analog comparator input pins are typically shared with pins used by the Analog-to-Digital Converter (ADC) module. Both the comparator and the ADC can use the same pins at the same time. This capability enables a user to measure an input voltage with the ADC and detect voltage transients with the comparator.

FIGURE 20-1: HIGH-SPEED ANALOG COMPARATOR x MODULE BLOCK DIAGRAM

graph TD
    A["PGA1OUT"] --> B["MUX"]
    C["PGA2OUT"] --> B
    D["CMPxA(1)"] --> B
    E["CMPxB(1)"] --> B
    F["CMPxC(1)"] --> B
    G["CMPxD(1)"] --> B
    H["EXTREF RANGE"] --> I["MUX"]
    J["AV_DD"] --> I
    K["EXTREF1(2)"] --> I
    L["EXTREF2(2,3)"] --> I
    M["INSELx ALTINP"] --> B
    N["DACx(1)"] --> O["CMREFx"]
    O --> I
    P["CMPPOL"] --> Q["0"]
    Q --> R["Pulse Stretcher and Digital Filter"]
    S["DACOE"] --> T["DAC1/DAC3"]
    T --> U["Output Buffer"]
    U --> V["DACOUT1"]
    W["PGAOEN"] --> X["PGA1OUT"]
    X --> Y["DBCC Bit FDEVOPT<6>"]
    Z["DACOE"] --> AA["DAC2/DAC4"]
    AA --> AB["Output Buffer"]
    AB --> AC["DACOUT2(3)"]
    AD["PGAOEN"] --> AE["PGA2OUT"]
    AE --> AF["Output Buffer"]
    AG["PWM Trigger (remappable I/O)"] --> AH["Status"]
    AI["Interrupt Request"] --> AJ["Status"]

Note 1: x = 1-4
2: EXTREF1 is connected to DAC1/DAC3. EXTREF2 is connected to DAC2/DAC4.
3: Not available on all devices.

20.3 Module Applications

This module provides a means for the SMPS dsPIC ^® DSC devices to monitor voltage and currents in a power conversion application. The ability to detect transient conditions and stimulate the dsPIC DSC processor and/or peripherals, without requiring the processor and ADC to constantly monitor voltages or currents, frees the dsPIC DSC to perform other tasks.

The comparator module has a high-speed comparator and an associated 12-bit DAC that provides a programmable reference voltage to the inverting input of the comparator. The polarity of the comparator output is user-programmable. The output of the module can be used in the following modes:

• Generate an Interrupt
• Trigger an ADC Sample and Convert Process
• Truncate the PWMx Signal (current limit)
• Truncate the PWMx Period (current minimum)
• Disable the PWMx Outputs (Fault latch)

The output of the comparator module may be used in multiple modes at the same time, such as: 1) generate an interrupt, 2) have the ADC take a sample and convert it, and 3) truncate the PWMx output in response to a voltage being detected beyond its expected value.

The comparator module can also be used to wake-up the system from Sleep or Idle mode when the analog input voltage exceeds the programmed threshold voltage.

20.4 Digital-to-Analog Comparator (DAC)

Each analog comparator has a dedicated 12-bit DAC that is used to program the comparator threshold voltage via the CMPxDAC register. The DAC voltage reference source is selected using the EXTREF and RANGE bits in the CMPxCON register.

The EXTREF bit selects either the external voltage reference, EXTREFx, or an internal source as the voltage reference source. The EXTREFx input enables users to connect to a voltage reference that better suits their application. The RANGE bit enables AVDD as the voltage reference source for the DAC when an internal voltage reference is selected.

Note: EXTREF2 is not available on all devices.

Each DACx has an output enable bit, DACOE, in the CMPxCON register that enables the DACx reference voltage to be routed to an external output pin (DACOUTx). Refer to Figure 20-1 for connecting the DACx output voltage to the DACOUTx pins.

Note 1: Ensure that multiple DACOE bits are not set in software. The output on the DACOUTx pin will be indeterminate if multiple comparators enable the DACx output.

2: DACOUT2 is not available on all devices.

20.5 Pulse Stretcher and Digital Logic

The analog comparator can respond to very fast transient signals. After the comparator output is given the desired polarity, the signal is passed to a pulse stretching circuit. The pulse stretching circuit has an asynchronous set function and a delay circuit that ensures the minimum pulse width is three system clock cycles wide to allow the attached circuitry to properly respond to a narrow pulse event.

The pulse stretcher circuit is followed by a digital filter. The digital filter is enabled via the FLTREN bit in the CMPxCON register. The digital filter operates with the clock specified via the FCLKSEL bit in the CMPxCON register. The comparator signal must be stable in a high or low state, for at least three of the selected clock cycles, for it to pass through the digital filter.

20.6 Hysteresis

An additional feature of the module is hysteresis control. Hysteresis can be enabled or disabled and its amplitude can be controlled by the HYSSEL<1:0> bits in the CMPxCON register. Three different values are available: 5 mV, 10 mV and 20 mV. It is also possible to select the edge (rising or falling) to which hysteresis is to be applied.

Hysteresis control prevents the comparator output from continuously changing state because of small perturbations (noise) at the input (see Figure 20-2).

FIGURE 20-2: HYSTERESIS CONTROL

Output Hysteresis Range (5 mV/10 mV/20 mV) Input

20.7 Analog Comparator Resources

Many useful resources are provided on the main product page of the Microchip web site for the devices listed in this data sheet. This product page contains the latest updates and additional information.

20.7.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

REGISTER 20-1: CMPxCON: COMPARATOR x CONTROL REGISTER

R/W-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
CMPON	—	CMPSIDL	HYSSEL1	HYSSEL0	FLTREN	FCLKSEL	DACOE
bit 15 bit 8

R/W-0	R/W-0	R/W-0	R/W-0	HC-0, HS	R/W-0	R/W-0	R/W-0
INSEL1	INSEL0	EXTREF	HYSPOL	CMPSTAT	ALTINP	CMPPOL	RANGE
bit 7 bit 0

Legend:	HC = Hardware Clearable bit	HS = Hardware Settable bit
R = Readable bit	W = Writable bit	U = Unimplemented bit, read as ‘0’
-n = Value at POR	‘1’ = Bit is set	‘0’ = Bit is cleared	x = Bit is unknown

bit 15 CMPON: Comparator Operating Mode bit

1 = Comparator module is enabled
0 = Comparator module is disabled (reduces power consumption)

bit 14 Unimplemented: Read as '0'

bit 13 CMPSIDL: Comparator Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode.
0 = Continues module operation in Idle mode

If a device has multiple comparators, any CMPSIDL bit set to '1' disables all comparators while in Idle mode.

bit 12-11 HYSSEL<1:0>: Comparator Hysteresis Select bits

11 = 20 mV hysteresis
10 = 10 mV hysteresis
01 = 5 mV hysteresis
00 = No hysteresis is selected

bit 10 FLTREN: Digital Filter Enable bit

1 = Digital filter is enabled
0 = Digital filter is disabled

bit 9 FCLKSEL: Digital Filter and Pulse Stretcher Clock Select bit

1 = Digital filter and pulse stretcher operate with the PWM clock
0 = Digital filter and pulse stretcher operate with the system clock

bit 8 DACOE: DACx Output Enable bit

1 = DACx analog voltage is connected to the DACOUTx pin ^(1)
0 = DACx analog voltage is not connected to the DACOUTx pin

bit 7-6 INSEL<1:0>: Input Source Select for Comparator bits

If ALTINP = 0, Select from Comparator Inputs:

11 = Selects CMPxD input pin
10 = Selects CMPxC input pin
01 = Selects CMPxB input pin
00 = Selects CMPxA input pin

If ALTINP = 1, Select from Alternate Inputs:

11 = Reserved
10 = Reserved
01 = Selects PGA2 output
00 = Selects PGA1 output

Note 1: DACOUTx can be associated only with a single comparator at any given time. The software must ensure that multiple comparators do not enable the DACx output by setting their respective DACOE bit.

REGISTER 20-1: CMPxCON: COMPARATOR x CONTROL REGISTER (CONTINUED)

bit 5	EXTREF: Enable External Reference bit1 = External source provides reference to DACx (maximum DAC voltage is determined by the external voltage source)0 = A ∅D provides reference to DACx (maximum DAC voltage is AVDD)
bit 4	HYSPOL: Comparator Hysteresis Polarity Select bit1 = Hysteresis is applied to the falling edge of the comparator output0 = Hysteresis is applied to the rising edge of the comparator output
bit 3	CMPSTAT: Comparator Current State bitReflects the current output state of Comparator x, including the setting of the CMPPOL bit.
bit 2	ALTINP: Alternate Input Select bit1 = INSEL<1:0> bits select alternate inputs0 = INSEL<1:0> bits select comparator inputs
bit 1	CMPPOL: Comparator Output Polarity Control bit1 = Output is inverted0 = Output is non-inverted
bit 0	RANGE: DACx Output Voltage Range Select bit1 = AVDD is the maximum DACx output voltage0 = Unimplemented, do not use

Note 1: DACOUTx can be associated only with a single comparator at any given time. The software must ensure that multiple comparators do not enable the DACx output by setting their respective DACOE bit.

REGISTER 20-2: CMPxDAC: COMPARATOR x DAC CONTROL REGISTER

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — —	—		C	M	R
bit 15					bit 8

R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
CMREF<7:0>
bit 7							bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-12 Unimplemented: Read as '0'

bit 11-0 CMREF<11:0>: Comparator Reference Voltage Select bits

111111111111

•

•

.

.

.

。

000000000000

NOTES:

21.0 PROGRAMMABLE GAIN AMPLIFIER (PGA)

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to “Programmable Gain Amplifier (PGA)” (DS70005146) in the “dsPIC33/PIC24 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The dsPIC33EPXXGS50X family devices have two Programmable Gain Amplifiers (PGA1, PGA2). The PGA is an op amp-based, non-inverting amplifier with user-programmable gains. The output of the PGA can be connected to a number of dedicated Sample-and-Hold inputs of the Analog-to-Digital Converter and/or to the high-speed analog comparator module. The PGA has five selectable gains and may be used as a ground referenced amplifier (single-ended) or used with an independent ground reference point.

Key features of the PGA module include:

• Single-Ended or Independent Ground Reference
• Selectable Gains: 4x, 8x, 16x, 32x and 64x
  • High Gain Bandwidth
  • Rail-to-Rail Output Voltage
• Wide Input Voltage Range

FIGURE 21-1: PGAx MODULE BLOCK DIAGRAM

graph TD
    A["PGAx Negative Input"] --> B["AMPx"]
    C["PGAx Positive Input"] --> B
    D["PGAx Calibrations<5:0>"] --> B
    B --> E["PGAxOUT"]
    F["GAIN<2:0> = 6"] --> G["Gain of 64x"]
    H["GAIN<2:0> = 5"] --> I["Gain of 32x"]
    J["GAIN<2:0> = 4"] --> K["Gain of 16x"]
    L["GAIN<2:0> = 3"] --> M["Gain of 8x"]
    N["GAIN<2:0> = 2"] --> O["Gain of 4x"]
    style A fill:#f9f,stroke:#333
    style C fill:#f9f,stroke:#333
    style D fill:#f9f,stroke:#333
    style F fill:#ccf,stroke:#333
    style H fill:#ccf,stroke:#333
    style J fill:#ccf,stroke:#333
    style L fill:#ccf,stroke:#333
    style N fill:#ccf,stroke:#333
    style B fill:#fff,stroke:#333
    style E fill:#fff,stroke:#333
    style F fill:#fff,stroke:#333
    style I fill:#fff,stroke:#333
    style K fill:#fff,stroke:#333
    style M fill:#fff,stroke:#333
    style O fill:#fff,stroke:#333
    style M fill:#fff,stroke:#333
    style N fill:#fff,stroke:#333

21.1 Module Description

The Programmable Gain Amplifiers are used to amplify small voltages (i.e., voltages across burden/shunt resistors) to improve the signal-to-noise ratio of the measured signal. The PGAx output voltage can be read by any of the four dedicated Sample-and-Hold circuits on the ADC module. The output voltage can also be fed to the comparator module for overcurrent/voltage protection. Figure 21-2 shows a functional block diagram of the PGAx module. Refer to Section 19.0 "High-Speed, 12-Bit Analog-to-Digital Converter (ADC)" and Section 20.0 "High-Speed Analog Comparator" for more interconnection details.

The gain of the PGAx module is selectable via the GAIN<2:0> bits in the PGAxCON register. There are five selectable gains, ranging from 4x to 64x. The SELPI<2:0> and SELNI<2:0> bits in the PGAxCON register select one of four positive/negative inputs to the PGAx module. For single-ended applications, the SELNI<2:0> bits will select the ground as the negative input source. To provide an independent ground reference, PGAxN2 and PGAxN3 pins are available as the negative input source to the PGAx module.

Note 1: Not all PGA positive/negative inputs are available on all devices. Refer to the specific device pinout for available input source pins.

The output voltage of the PGAx module can be connected to the DACOUTx pin by setting the PGAOEN bit in the PGAxCON register. When the PGAOEN bit is enabled, the output voltage of PGA1 is connected to DACOUT1 and PGA2 is connected to DACOUT2. For devices with a single DACOUTx pin, the output voltage of PGA2 can be connected to DACOUT1 by configuring the DBCC Configuration bit in the FDEVOPT register (FDEVOPT<6>).

If both the DACx output voltage and PGAx output voltage are connected to the DACOUTx pin, the resulting output voltage would be a combination of signals. There is no assigned priority between the PGAx module and the DACx module.

FIGURE 21-2: PGAx FUNCTIONAL BLOCK DIAGRAM

graph TD
    A["SELPI<2:0>"] --> B["PGAxP1(1)"]
    A --> C["PGAxP2(1)"]
    A --> D["PGAxP3(1)"]
    A --> E["PGAxP4(1)"]
    F["GND"] --> G["PGAxN2(1)"]
    F --> H["PGAxN3(1,3)"]
    I["SELNI<2:0>"] --> J["PGAx(1)"]
    K["PGAxCON(1)"] --> L["PGAEN"]
    K --> M["PGACAL"]
    N["PGAXCAL(1)"] --> O["PGACAL"]
    P["PGAXN2(1)"] --> Q["+"]
    R["PGAXN3(1,3)"] --> S["-"]
    T["PGAOEN"] --> U["To DACOUTx Pin(2)"]
    V["INSEL<1:0>(CMPxCON)"] --> W["DACx"]
    X["CxCHS<1:0>(ADCON4H)"] --> Y["ADC"]
    Z["S&H"] --> AA["+"]
    AB["To DACOUTx Pin(2)"] --> AC["+"]
    AD["PGAxN3 input is not available on 28-pin devices."]

21.2 PGA Resources

Many useful resources are provided on the main product page of the Microchip website for the devices listed in this data sheet. This product page contains the latest updates and additional information.

21.2.1 KEY RESOURCES

• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All Related "dsPIC33/PIC24 Family Reference Manual" Sections
• Development Tools

REGISTER 21-1: PGAXCON: PGAX CONTROL REGISTER

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PGAEN	PGAOEN	SELPI2	SELPI1	SELPI0	SELNI2	SELNI1	SELNI0
bit 15 bit 8

U-0	U-0	U-0	U-0	U-0	R/W-0	R/W-0	R/W-0
—	—	—	—	—	GAIN2	GAIN1	GAIN0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 PGAEN: PGAX Enable bit

1 = PGAx module is enabled
0 = PGAx module is disabled (reduces power consumption)

bit 14 PGAOEN: PGAX Output Enable bit

1 = PGAx output is connected to the DACOUTx pin
0 = PGAx output is not connected to the DACOUTx pin

bit 13-11 SELPI<2:0>: PGAX Positive Input Selection bits

111 = Reserved
110 = Reserved
101 = Reserved
100 = Reserved
011 = PGAxP4
010 = PGAxP3
001 = PGAxP2
000 = PGAxP1

bit 10-8 SELNI<2:0>: PGAX Negative Input Selection bits

111 = Reserved
110 = Reserved
101 = Reserved
100 = Reserved
011 = Ground (Single-Ended mode)
010 = PGAxN3
001 = PGAxN2
000 = Ground (Single-Ended mode)

bit 7-3 Unimplemented: Read as '0'

REGISTER 21-1: PGAXCON: PGAX CONTROL REGISTER (CONTINUED)

bit 2-0 GAIN<2:0>: PGAx Gain Selection bits

111 = Reserved

110 = Gain of 64x

101 = Gain of 32x

100 = Gain of 16x

011 = Gain of 8x

010 = Gain of 4x

001 = Reserved

000 = Reserved

REGISTER 21-2: PGAXCAL: PGAX CALIBRATION REGISTER

U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
——	———
bit 15 bit 8

U-0	U-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
— —		PGACAL<5:0>
bit 7							bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15-6 Unimplemented: Read as '0'

bit 5-0 PGACAL<5:0>: PGAX Offset Calibration bits

The calibration values for PGA1 and PGA2 must be copied from Flash addresses, 0x800E48 and 0x800E4C, respectively, into these bits before the module is enabled. Refer to the calibration data address table (Table 23-3) in Section 23.0 "Special Features" for more information.

22.0 CONSTANT-CURRENT SOURCE

Note 1: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to the related section of the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 "Memory Organization" in this data sheet for device-specific register and bit information.

The constant-current source module is a precision current generator and is used in conjunction with the ADC module to measure the resistance of external resistors connected to device pins.

22.1 Features Overview

The constant-current source module offers the following major features:

• Constant-Current Generator (10 A nominal)
• Internal Selectable Connection to One of Four Pins
• Enable/Disable Bit

22.2 Module Description

Figure 22-1 shows a functional block diagram of the constant-current source module. It consists of a precision current generator with a nominal value of 10 A . The module can be enabled and disabled using the ISRCEN bit in the ISRCCON register. The output of the current generator is internally connected to a device pin. The dsPIC33EPXXGS50X family can have up to 4 selectable current source pins. The OUTSEL<2:0> bits in the ISRCCON register allow selection of the target pin.

The current source is calibrated during testing.

FIGURE 22-1: CONSTANT-CURRENT SOURCE MODULE BLOCK DIAGRAM

graph TD
    A["ISRCEN"] --> B["Current Source"]
    B --> C["Max Current"]
    C --> D["MUX"]
    D --> E["Output: ISRC1, ISRC2, ISRC3, ISRC4"]
    D --> F["OUTSEL<2:0>"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#ffc,stroke:#333
    style F fill:#fcc,stroke:#333

22.3 Current Source Control Register

REGISTER 22-1: ISRCCON: CONSTANT-CURRENT SOURCE CONTROL REGISTER

R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0
ISRCEN —	— — — OUTSEL2 OUTSEL1	OUTSEL0
bit 15							bit 8

U-0	U-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0	R/W-0
—	—	ISRCCAL5	ISRCCAL4	ISRCCAL3	ISRCCAL2	ISRCCAL1	ISRCCAL0
bit 7 bit 0

Legend:

R = Readable bit	W = Writable bit	U = Unimplemented bit, read as '0'
-n = Value at POR	'1' = Bit is set	'0' = Bit is cleared x = Bit is unknown

bit 15 ISRCEN: Constant-Current Source Enable bit

1 = Current source is enabled
0 = Current source is disabled

bit 14-11 Unimplemented: Read as '0'

bit 10-8 OUTSEL<2:0>: Output Constant-Current Select bits

111 = Reserved
110 = Reserved
101 = Reserved

100 = Input pin, ISRC4 (AN4)
011 = Input pin, ISRC3 (AN5)
010 = Input pin, ISRC2 (AN6)
001 = Input pin, ISRC1 (AN12)
000 = No output is selected

bit 7-6 Unimplemented: Read as '0'

bit 5-0 ISRCCAL<5:0>: Constant-Current Source Calibration bits

The calibration value must be copied from Flash address, 0x800E78, into these bits before the module is enabled. Refer to the calibration data address table (Table 23-3) in Section 23.0 "Special Features" for more information.

23.0 SPECIAL FEATURES

Note: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to the related section of the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

The dsPIC33EPXXGS50X family devices include several features intended to maximize application flexibility and reliability, and minimize cost through elimination of external components. These are:

• Flexible Configuration
• Watchdog Timer (WDT)
  • Code Protection and CodeGuard™ Security
  • JTAG Boundary Scan Interface
• In-Circuit Serial Programming™ (ICSP™)
  • In-Circuit Emulation
• Brown-out Reset (BOR)

23.1 Configuration Bits

In dsPIC33EPXXGS50X family devices, the Configuration Words are implemented as volatile memory. This means that configuration data must be programmed each time the device is powered up. Configuration data is stored at the end of the on-chip program memory space, known as the Flash Configuration Words. Their specific locations are shown in Table 23-1 with detailed descriptions in Table 23-2. The configuration data is automatically loaded from the Flash Configuration Words to the proper Configuration Shadow registers during device Resets.

For devices operating in Dual Partition modes, the BSEQx bits (FBTSEQ<11:0>) determine which panel is the Active Partition at start-up and the Configuration Words from that panel are loaded into the Configuration Shadow registers.

Note: Configuration data is reloaded on all types of device Resets.

When creating applications for these devices, users should always specifically allocate the location of the Flash Configuration Words for configuration data in their code for the compiler. This is to make certain that program code is not stored in this address when the code is compiled. Program code executing out of configuration space will cause a device Reset.

Note: Performing a page erase operation on the last page of program memory clears the Flash Configuration Words.

TABLE 23-1: CONFIGURATION REGISTER MAP (3)

Note 1: These bits are reserved and must be programmed as '1'.
2: This bit is reserved and must be programmed as '0'
3: When operating in Dual Partition mode, each partition will have dedicated Configuration registers. On a device Reset, the configuration values of the Active Partition are read at start-up, but during a soft swap condition, the configuration settings of the newly Active Partition are ignored.
4: FBOOT resides in configuration memory space.

TABLE 23-1: CONFIGURATION REGISTER MAP ^(3) (CONTINUED)

Name	Address	Device Memory Size (Kbytes)	Bits 23-16	Bit 15	Bit 14	Bit 13	Bit 12	Bit 11	Bit 10	Bit 9	Bit 8	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
FDEVOPT	002BAC 16		—	—	—	—	—	—	—	—	—	—	DBCC	—	ALTI2C2	ALTI2C1	Reserved^(1)	—	PWMLOCK
	0057AC 32
	00AFAC 64
FALTREG	002BB0	16	—	—	—	—	—	—	—	—	—	—	CTXT2<2:0>			—	CTXT1<2:0>
	0057B0	32
	00AFB0 64
FBTSEQ	002BFC 16		IBSEQ<11:0> BSEQ<11:0>
	0057FC 32
	00AFFC 64
FBOOT^(4)	801000 —		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	BTMODE<1:0>

Note 1: These bits are reserved and must be programmed as '1'.
2: This bit is reserved and must be programmed as '0'.
3: When operating in Dual Partition mode, each partition will have dedicated Configuration registers. On a device Reset, the configuration values of the Active Partition are read at start-up, but during a soft swap condition, the configuration settings of the newly Active Partition are ignored.
4: FBOOT resides in configuration memory space.

TABLE 23-2: CONFIGURATION BITS DESCRIPTION

Bit Field Description
BSS<1:0> Boot Segment	Code-Protect Level bits11 = Boot Segment is not code-protected other than BWRP10 = Standard security0x = High security
BSEN Boot Segment Control bit	1 = No Boot Segment is enabled0 = Boot Segment size is determined by the BSLIM<12:0> bits
BWRP Boot Segment Write-Protect bit	1 = Boot Segment can be written0 = Boot Segment is write-protected
BSLIM<12:0> Boot Segment Flash Page Address Limit bits	Contains the last active Boot Segment page. The value to be programmed is the inverted page address, such that programming additional ‘0’s can only increase the Boot Segment size (i.e., 0x1FFD = 2 Pages or 1024 IW).
GSS<1:0> General Segment Code-Protect Level bits	11 = User program memory is not code-protected10 = Standard security0x = High security
GWRP General Segment Write-Protect bit	1 = User program memory is not write-protected0 = User program memory is write-protected
CWRP Configuration Segment Write-Protect bit	1 = Configuration data is not write-protected0 = Configuration data is write-protected
CSS<2:0> Configuration	Segment Code-Protect Level bits111 = Configuration data is not code-protected110 = Standard security10x = Enhanced security0xx = High security
BTSWP BOOTSWP Instruction Enable/Disable bit	1 = BOOTSWP instruction is disabled0 = BOOTSWP instruction is enabled
BSEQ<11:0> Boot Sequence Number bits (Dual Partition modes only)	Relative value defining which partition will be active after device Reset; the partition containing a lower boot number will be active.
IBSEQ<11:0> Inverse Boot Sequence Number bits (Dual Partition modes only)	The one’s complement of BSEQ<11:0>; must be calculated by the user and written for device programming. If BSEQx and IBSEQx are not complements of each other, the Boot Sequence Number is considered to be invalid.
AIVTDIS(1)	Alternate Interrupt Vector Table bit1 = Alternate Interrupt Vector Table is disabled0 = Alternate Interrupt Vector Table is enabled if INTCON2<8> = 1
IESO	Two-Speed Oscillator Start-up Enable bit1 = Starts up device with FRC, then automatically switches to the user-selected oscillator source when ready0 = Starts up device with the user-selected oscillator source
PWMLOCK	PWMx Lock Enable bit1 = Certain PWMx registers may only be written after a key sequence0 = PWMx registers may be written without a key sequence
Bit Field	Description
FNOSC<2:0> Oscillator	Selection bits111 = Fast RC Oscillator with Divide-by-N (FRCDIVN)110 = Fast RC Oscillator with Divide-by-16101 = Low-Power RC Oscillator (LPRC)100 = Reserved; do not use011 = Primary Oscillator with PLL module (XTPLL, HSPLL, ECPLL)010 = Primary Oscillator (XT, HS, EC)001 = Fast RC Oscillator with Divide-by-N with PLL module (FRCPLL)000 = Fast RC Oscillator (FRC)
FCKSM<1:0> Clock Switching Mode bits1x = Clock switching is disabled, Fail-Safe Clock Monitor is disabled01 = Clock switching is enabled, Fail-Safe Clock Monitor is disabled00 = Clock switching is enabled, Fail-Safe Clock Monitor is enabled
IOL1WAY Peripheral Pin	Select Configuration bit1 = Allows only one reconfiguration0 = Allows multiple reconfigurations
OSCIOFNC OSC2 Pin Function bit (except in XT and HS modes)1 = OSC2 is the clock output0 = OSC2 is a general purpose digital I/O pin
POSCMD<1:0> Primary	Oscillator Mode Select bits11 = Primary Oscillator is disabled10 = HS Crystal Oscillator mode01 = XT Crystal Oscillator mode00 = EC (External Clock) mode
WDTEN<1:0> Watchdog	Timer Enable bits11 = Watchdog Timer is always enabled (LPRC oscillator cannot be disabled; clearing the SWDTEN bit in the RCON register will have no effect)10 = Watchdog Timer is enabled/disabled by user software (LPRC can be disabled by clearing the SWDTEN bit in the RCON register)01 = Watchdog Timer is enabled only while device is active and is disabled while in Sleep mode; software control is disabled in this mode00 = Watchdog Timer and SWDTEN bit are disabled
WINDIS Watchdog Timer	Window Enable bit1 = Watchdog Timer in Non-Window mode0 = Watchdog Timer in Window mode
PLLKEN PLL Lock Enable bit	1 = PLL lock is enabled0 = PLL lock is disabled
WDTPRE Watchdog Timer	Prescaler bit1 = 1:1280 = 1:32
WDTPOST<3:0> Watchdog Timer Postscaler bits1111 = 1:32,7681110 = 1:16,384···0001 = 1:20000 = 1:1
Bit Field Description
WDTWIN<1:0> Watchdog Timer Window Select bits11 = WDT window is 25% of the WDT period10 = WDT window is 37.5% of the WDT period01 = WDT window is 50% of the WDT period00 = WDT window is 75% of the WDT period
ALTI2C1 Alternate I2C1 Pin bit1 = I2C1 is mapped to the SDA1/SCL1 pins0 = I2C1 is mapped to the ASDA1/ASCL1 pins
ALTI2C2 Alternate I2C2 Pin bit1 = I2C2 is mapped to the SDA2/SCL2 pins0 = I2C2 is mapped to the ASDA2/ASCL2 pins
JTAGEN JTAG Enable bit1 = JTAG is enabled0 = JTAG is disabled
ICS<1:0> ICD Communication Channel Select bits11 = Communicates on PGEC1 and PGED110 = Communicates on PGEC2 and PGED201 = Communicates on PGEC3 and PGED300 = Reserved, do not use
DBCC DACx Output Cross Connection Select bit1 = No cross connection between DAC outputs0 = Interconnects DACOUT1 and DACOUT2
CTXT1<2:0> Alternate Working Register Set 1 Interrupt Priority Level (IPL) Select bits111 = Reserved110 = Assigned to IPL of 7101 = Assigned to IPL of 6100 = Assigned to IPL of 5011 = Assigned to IPL of 4010 = Assigned to IPL of 3001 = Assigned to IPL of 2000 = Assigned to IPL of 1
CTXT2<2:0> Alternate Working Register Set 2 Interrupt Priority Level (IPL) Select bits111 = Reserved110 = Assigned to IPL of 7101 = Assigned to IPL of 6100 = Assigned to IPL of 5011 = Assigned to IPL of 4010 = Assigned to IPL of 3001 = Assigned to IPL of 2000 = Assigned to IPL of 1
BTMODE<1:0> Boot Mode Configuration bits11 = Single Partition mode10 = Dual Partition mode01 = Protected Dual Partition mode00 = Privileged Dual Partition mode

Note 1: The Boot Segment must be present to use the Alternate Interrupt Vector Table.

23.2 Device Calibration and Identification

The PGAx and current source modules on the dsPIC33EPXXGS50X family devices require Calibration Data registers to improve performance of the module over a wide operating range. These Calibration registers are read-only and are stored in configuration memory space. Prior to enabling the module, the calibration data must be read (TBLPAG and Table Read instruction) and loaded into its respective SFR registers. The device calibration addresses are shown in Table 23-3.

The dsPIC33EPXXGS50X devices have two identification registers near the end of configuration memory space that store the Device ID (DEVID) and Device Revision (DEVREV). These registers are used to determine the mask, variant and manufacturing information about the device. These registers are read-only and are shown in Register 23-1 and Register 23-2.

TABLE 23-3: DEVICE CALIBRATION ADDRESSES (1)

Calibration Name

Address

Bits 23-16

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

PGA1CAL

800E48

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

PGA1 Calibration Data

PGA2CAL

800E4C

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

PGA2 Calibration Data

ISRCCAL

800E78

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Current Source Calibration Data

Note 1: The calibration data must be copied into its respective registers prior to enabling the module.

REGISTER 23-1: DEVID: DEVICE ID REGISTER

R	R	R	R	R	R	R	R
			DEVID<23:16>
bit 23 bit 16

R	R	R	R	R	R	R	R
DEVID<15:8>
bit 15 bit 8

R	R	R	R	R	R	R	R
DEVID<7:0>
bit 7 bit 0

Legend: R = Read-Only bit U = Unimplemented bit

bit 23-0 DEVID<23:0>: Device Identifier bits

REGISTER 23-2: DEVREV: DEVICE REVISION REGISTER

R	R	R	R	R	R	R	R
			DEVREV<23:16>
bit 23 bit 16

R	R	R	R	R	R	R	R
DEVREV<15:8>
bit 15 bit 8

R	R	R	R	R	R	R	R
DEVREV<7:0>
bit 7 bit 0

Legend: R = Read-only bit U = Unimplemented bit

bit 23-0 DEVREV<23:0>: Device Revision bits

23.3 User OTP Memory

dsPIC33EPXXGS50X family devices contain 64 words of User One-Time-Programmable (OTP) memory, located at addresses, 0x800F80 through 0x800FFE. The User OTP Words can be used for storing checksum, code revisions, product information, such as serial numbers, system manufacturing dates, manufacturing lot numbers and other application-specific information. These words can only be written once at program time and not at run time; they can be read at run time.

23.4 On-Chip Voltage Regulator

All the dsPIC33EPXXGS50X family devices power their core digital logic at a nominal 1.8V. This can create a conflict for designs that are required to operate at a higher typical voltage, such as 3.3V. To simplify system design, all devices in the dsPIC33EPXXGS50X family incorporate an on-chip regulator that allows the device to run its core logic from VDD.

The regulator provides power to the core from the other VDD pins. A low-ESR (less than 1 Ohm) capacitor (such as tantalum or ceramic) must be connected to the VCAP pin (Figure 23-1). This helps to maintain the stability of the regulator. The recommended value for the filter capacitor is provided in Table 26-5, located in Section 26.0 "Electrical Characteristics".

Note: It is important for the low-ESR capacitor to be placed as close as possible to the VCAP pin.

FIGURE 23-1: CONNECTIONS FOR THE ON-CHIP VOLTAGE REGULATOR ^(1,2,3)

3.3V dsPIC33EP VDD CEFC VCAP VSS

Note 1: These are typical operating voltages.
Refer to Table 26-5 located in Section 26.0 "Electrical Characteristics" for the full operating ranges of V DD and V CAP.
2: It is important for the low-ESR capacitor to be placed as close as possible to the VCAP pin.
3: Typical V CAP pin voltage = 1.8V when VDD ≥ VDDMIN.

23.5 Brown-out Reset (BOR)

The Brown-out Reset (BOR) module is based on an internal voltage reference circuit that monitors the regulated supply voltage, VCAP. The main purpose of the BOR module is to generate a device Reset when a brown-out condition occurs. Brown-out conditions are generally caused by glitches on the AC mains (for example, missing portions of the AC cycle waveform due to bad power transmission lines or voltage sags due to excessive current draw when a large inductive load is turned on).

A BOR generates a Reset pulse which resets the device. The BOR selects the clock source based on the device Configuration bit values (FNOSC<2:0> and POSCMD<1:0>).

If an Oscillator mode is selected, the BOR activates the Oscillator Start-up Timer (OST). The system clock is held until OST expires. If the PLL is used, the clock is held until the LOCK bit (OSCCON<5>) is '1'.

Concurrently, the PWRT Time-out (TPWRT) is applied before the internal Reset is released. If TPWRT = 0 and a crystal oscillator is being used, then a nominal delay of TFSCM is applied. The total delay in this case is TFSCM. Refer to Parameter SY35 in Table 26-23 of Section 26.0 "Electrical Characteristics" for specific TFSCM values.

The BOR status bit (RCON<1>) is set to indicate that a BOR has occurred. The BOR circuit continues to operate while in Sleep or Idle modes and resets the device should VDD fall below the BOR threshold voltage.

23.6 Watchdog Timer (WDT)

For dsPIC33EPXXGS50X family devices, the WDT is driven by the LPRC oscillator. When the WDT is enabled, the clock source is also enabled.

23.6.1 PRESCALER/POSTSCALER

The nominal WDT clock source from LPRC is 32 kHz. This feeds a prescaler that can be configured for either 5-bit (divide-by-32) or 7-bit (divide-by-128) operation. The prescaler is set by the WDTPRE Configuration bit. With a 32 kHz input, the prescaler yields a WDT Time-out Period (TWDT), as shown in Parameter SY12 in Table 26-23.

A variable postscaler divides down the WDT prescaler output and allows for a wide range of time-out periods. The postscaler is controlled by the WDTPOST<3:0>Configuration bits (FWDT<3:0>), which allow the selection of 16 settings, from 1:1 to 1:32,768. Using the prescaler and postscaler, time-out periods, ranges from 1 ms to 131 seconds can be achieved.

The WDT, prescaler and postscaler are reset:

• On any device Reset
• On the completion of a clock switch, whether invoked by software (i.e., setting the OSWEN bit after changing the NOSCx bits) or by hardware (i.e., Fail-Safe Clock Monitor)
• When a PWRSAV instruction is executed (i.e., Sleep or Idle mode is entered)
• When the device exits Sleep or Idle mode to resume normal operation
• By a CLRWDT instruction during normal execution

Note: The CLRWDT and PWRSAV instructions clear the prescaler and postscaler counts when executed.

23.6.2 SLEEP AND IDLE MODES

If the WDT is enabled, it continues to run during Sleep or Idle modes. When the WDT time-out occurs, the device wakes and code execution continues from where the PWRSAV instruction was executed. The corresponding SLEEP or IDLE bit (RCON<3:2>) needs to be cleared in software after the device wakes up.

23.6.3 ENABLING WDT

The WDT is enabled or disabled by the WDTEN<1:0> Configuration bits in the FWDT Configuration register. When the WDTEN<1:0> Configuration bits have been programmed to '0b11', the WDT is always enabled.

The WDT can be optionally controlled in software when the WDTEN<1:0> Configuration bits have been programmed to '0b10'. The WDT is enabled in software by setting the SWDTEN control bit (RCON<5>). The SWDTEN control bit is cleared on any device Reset. The software WDT option allows the user application to enable the WDT for critical code segments and disables the WDT during non-critical segments for maximum power savings.

The WDT Time-out flag bit, WDTO (RCON<4>), is not automatically cleared following a WDT time-out. To detect subsequent WDT events, the flag must be cleared in software.

23.6.4 WDT WINDOW

The Watchdog Timer has an optional Windowed mode, enabled by programming the WINDIS bit in the WDT Configuration register (FWDT<7>). In the Windowed mode (WINDIS = 0), the WDT should be cleared based on the settings in the programmable Watchdog Timer Window select bits (WDTWIN<1:0>).

FIGURE 23-2: WDT BLOCK DIAGRAM

graph TD
    A["All Device Resets"] --> B["Switch"]
    C["Transition to New Clock Source"] --> B
    D["Exit Sleep or Idle Mode"] --> B
    E["PWRSAV Instruction"] --> B
    F["CLRWDT Instruction"] --> B
    B --> G["RS RS Prescaler (Divide-by-N1)"]
    G --> H["Postscaler (Divide-by-N2)"]
    H --> I["1"]
    I --> J["WDT Wake-up"]
    K["LPRC Clock"] --> L["AND Gate"]
    L --> M["AND Gate"]
    M --> N["RS RS Prescaler (Divide-by-N1)"]
    N --> O["Postscaler (Divide-by-N2)"]
    O --> P["1"]
    P --> Q["WDT Reset"]
    R["WINDIS"] --> S["WDT Window Select"]
    T["WDTWIN<1:0>"] --> S
    U["CLRWDT Instruction"] --> S
    V["Watchdog Timer"] --> W["WDTPRE"]
    V --> X["WDTPOST<3:0>"]
    Y["Sleep/Idle"] --> Z["1"]
    Y --> AA["0"]
    AB["1"] --> AC["AND Gate"]
    AD["0"] --> AE["AND Gate"]
    AF["WDT Wake-up"] --> AG["WDT Reset"]
    AH["WDT Reset"] --> AI["WDT Reset"]

23.7 JTAG Interface

The dsPIC33EPXXGS50X family devices implement a JTAG interface, which supports boundary scan device testing. Detailed information on this interface is provided in future revisions of the document.

Note: Refer to “Programming and Diagnostics” (DS70608) in the “dsPIC33/PIC24 Family Reference Manual” for further information on usage, configuration and operation of the JTAG interface.

23.8 In-Circuit Serial Programming™

The dsPIC33EPXXGS50X family devices can be serially programmed while in the end application circuit. This is done with two lines for clock and data, and three other lines for power, ground and the programming sequence. Serial programming allows customers to manufacture boards with unprogrammed devices and then program the device just before shipping the product. Serial programming also allows the most recent firmware or a custom firmware to be programmed. Refer to the "dsPIC33E/PIC24E Flash Programming Specification for Devices with Volatile Configuration Bits" (DS70663) for details about In-Circuit Serial Programming™ (ICSP™).

Any of the three pairs of programming clock/data pins can be used:

• PGEC1 and PGED1
• PGEC2 and PGED2
  • PGEC3 and PGED3

23.9 In-Circuit Debugger

When MPLAB ^® ICD 3 or REAL ICE ^™ emulator is selected as a debugger, the in-circuit debugging functionality is enabled. This function allows simple debugging functions when used with MPLAB IDE. Debugging functionality is controlled through the PGECx (Emulation/Debug Clock) and PGEDx (Emulation/Debug Data) pin functions.

Any of the three pairs of debugging clock/data pins can be used:

• PGEC1 and PGED1
• PGEC2 and PGED2
• PGEC3 and PGED3

To use the in-circuit debugger function of the device, the design must implement ICSP connections to MCLR, VDD, Vss and the PGECx/PGEDx pin pair. In addition, when the feature is enabled, some of the resources are not available for general use. These resources include the first 80 bytes of data RAM and two I/O pins (PGECx and PGEDx).

23.10 Code Protection and CodeGuard™ Security

dsPIC33EPXXGS50X devices offer multiple levels of security for protecting individual intellectual property. The program Flash protection can be broken up into three segments: Boot Segment (BS), General Segment (GS) and Configuration Segment (CS). Boot Segment has the highest security privilege and can be thought to have limited restrictions when accessing other segments. General Segment has the least security and is intended for the end user system code. Configuration Segment contains only the device user configuration data which is located at the end of the program memory space.

The code protection features are controlled by the Configuration registers, FSEC and FBSLIM. The FSEC register controls the code-protect level for each segment and if that segment is write-protected. The size of BS and GS will depend on the BSLIM<12:0> setting and if the Alternate Interrupt Vector Table (AIVT) is enabled. The BSLIM<12:0> bits define the number of pages for BS with each page containing 512 IW. The smallest BS size is one page, which will consist of the Interrupt Vector Table (IVT) and 256 IW of code protection.

If the AIVT is enabled, the last page of BS will contain the AIVT and will not contain any BS code. With AIVT enabled, the smallest BS size is now two pages (1024 IW), with one page for the IVT and BS code, and the other page for the AIVT. Write protection of the BS does not cover the AIVT. The last page of BS can always be programmed or erased by BS code. The General Segment will start at the next page and will consume the rest of program Flash except for the Flash Configuration Words. The IVT will assume GS security only if BS is not enabled. The IVT is protected from being programmed or page erased when either security segment has enabled write protection.

Note: Refer to "CodeGuard™ Intermediate Security" (DS70005182) in the "dsPIC33/PIC24 Family Reference Manual" for further information on usage, configuration and operation of CodeGuard Security.

The different device security segments are shown in Figure 23-3. Here, all three segments are shown but are not required. If only basic code protection is required, then GS can be enabled independently or combined with CS, if desired.

FIGURE 23-3: SECURITY SEGMENTS EXAMPLE FOR dsPIC33EP64GS50X DEVICES

IVT and AIVT Assume BS Protection IVT 0x000000 0x000200 BS AIVT + 256 IW(2) BSLIM<12:0> GS CS(1) 0x00B000

Note 1: If CS is write-protected, the last page (GS + CS) of program memory will be protected from an erase condition.
2: The last half (256 IW) of the last page of BS is unusable program memory.

dsPIC33EP64GS50X family devices can be operated in Dual Partition mode, where security is required for each partition. When operating in Dual Partition mode, the Active and Inactive Partitions both contain unique copies of the Reset vector, Interrupt Vector Tables (IVT and AIVT, if enabled) and the Flash Configuration Words. Both partitions have the three security segments described previously. Code may not be executed from the Inactive Partition, but it may be programmed by, and read from, the Active Partition, subject to defined code protection. Figure 23-4 shows the different security segments for a device operating in Dual Partition mode.

The device may also operate in a Protected Dual Partition mode or in Privileged Dual Partition mode. In Protected Dual Partition mode, Partition 1 is permanently erase/write-protected. This implementation allows for a "Factory Default" mode, which provides a fail-safe backup image to be stored in Partition 1. For example, a fail-safe bootloader can be placed in Partition 1, along with a fail-safe backup code image, which can be used or rewritten into Partition 2 in the event of a failed Flash update to Partition 2.

Privileged Dual Partition mode performs the same function as Protected Dual Partition mode, except additional constraints are applied in an effort to prevent code in the Boot Segment and General Segment from being used against each other.

FIGURE 23-4: SECURITY SEGMENTS EXAMPLE FOR dsPIC33EP64GS50 DEVICES (DUAL PARTITION MODE

IVT and AIVT Assume BS Protection IVT 0x000000 BS 0x000200 AIVT + 256IW(2) BSLIM<12:0> GS CS(1) 0x005800 Unimplemented (Read '0's) 0x400000 IVT 0x400200 BS AIVT + 256 IW(2) BSLIM<12:0> GS CS(1) 0x405800

Note 1: If CS is write-protected, the last page (GS + CS) of program memory will be protected from an erase condition.
2: The last half (256 IW) of the last page of BS is unusable program memory.

24.0 INSTRUCTION SET SUMMARY

Note: This data sheet summarizes the features of the dsPIC33EPXXGS50X family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to the related section of the "dsPIC33/PIC24 Family Reference Manual", which is available from the Microchip web site (www.microchip.com).

The dsPIC33EP instruction set is almost identical to that of the dsPIC30F and dsPIC33F.

Most instructions are a single program memory word (24 bits). Only three instructions require two program memory locations.

Each single-word instruction is a 24-bit word, divided into an 8-bit opcode, which specifies the instruction type and one or more operands, which further specify the operation of the instruction.

The instruction set is highly orthogonal and is grouped into five basic categories:

• Word or byte-oriented operations
- Bit-oriented operations
- Literal operations
- DSP operations
• Control operations

Table 24-1 lists the general symbols used in describing the instructions.

The dsPIC33E instruction set summary in Table 24-2 lists all the instructions, along with the status flags affected by each instruction.

Most word or byte-oriented W register instructions (including barrel shift instructions) have three operands:

• The first source operand, which is typically a register 'Wb' without any address modifier
• The second source operand, which is typically a register 'Ws' with or without an address modifier
• The destination of the result, which is typically a register 'Wd' with or without an address modifier

However, word or byte-oriented file register instructions have two operands:

• The file register specified by the value 'f'
• The destination, which could be either the file register 'f' or the W0 register, which is denoted as 'WREG'

Most bit-oriented instructions (including simple rotate/shift instructions) have two operands:

• The W register (with or without an address modifier) or file register (specified by the value of 'Ws' or 'f')
• The bit in the W register or file register (specified by a literal value or indirectly by the contents of register 'Wb')

The literal instructions that involve data movement can use some of the following operands:

• A literal value to be loaded into a W register or file register (specified by 'k')
• The W register or file register where the literal value is to be loaded (specified by 'Wb' or 'f')

However, literal instructions that involve arithmetic or logical operations use some of the following operands:

• The first source operand, which is a register 'Wb' without any address modifier
• The second source operand, which is a literal value
• The destination of the result (only if not the same as the first source operand), which is typically a register 'Wd' with or without an address modifier

The MAC class of DSP instructions can use some of the following operands:

• The accumulator (A or B) to be used (required operand)
• The W registers to be used as the two operands
  • The X and Y address space prefetch operations
  • The X and Y address space prefetch destinations
  • The accumulator write back destination

The other DSP instructions do not involve any multiplication and can include:

• The accumulator to be used (required)
- The source or destination operand (designated as Wso or Wdo, respectively) with or without an address modifier
- The amount of shift specified by a W register 'Wn' or a literal value

The control instructions can use some of the following operands:

• A program memory address
- The mode of the table read and table write instructions

Most instructions are a single word. Certain double-word instructions are designed to provide all the required information in these 48 bits. In the second word, the 8 M S b s a r e '0's. If this second word is executed as an instruction (by itself), it executes as a NOP.

The double-word instructions execute in two instruction cycles.

Most single-word instructions are executed in a single instruction cycle, unless a conditional test is true or the Program Counter is changed as a result of the instruction, or a PSV or table read is performed. In these cases, the execution takes multiple instruction cycles,

with the additional instruction cycle(s) executed as a NOP. Certain instructions that involve skipping over the subsequent instruction require either two or three cycles if the skip is performed, depending on whether the instruction being skipped is a single-word or two-word instruction. Moreover, double-word moves require two cycles.

Note: For more details on the instruction set, refer to the "16-bit MCU and DSC Programmer's Reference Manual" (DS70157).

TABLE 24-1: SYMBOLS USED IN OPCODE DESCRIPTIONS

Field Description
#text Means literal defined by “	text”
(text) Means “content of	text”
[text] Means “the location addressed by text”
{} Optional field or operation
a ∈ {b, c, d} a is selected from the set of values b, c, d
< n:m> Register bit field
.b Byte mode selection
.d Double-Word mode selection
.S Shadow register select
.w Word mode selection (default)
Acc	One of two accumulators {A, B}
AWB	Accumulator write-back destination address register ∈ {W13, [W13]+ = 2}
bit4	4-bit bit selection field (used in word addressed instructions) ∈ {0...15}
C, DC, N, OV, Z	MCU Status bits: Carry, Digit Carry, Negative, Overflow, Sticky Zero
Expr	Absolute address, label or expression (resolved by the linker)
f	File register address ∈ {0x0000...0x1FFF}
lit1	1-bit unsigned literal ∈ {0,1}
lit4	4-bit unsigned literal ∈ {0...15}
lit5	5-bit unsigned literal ∈ {0...31}
lit8	8-bit unsigned literal ∈ {0...255}
lit10	10-bit unsigned literal ∈ {0...255} for Byte mode, {0:1023} for Word mode
lit14	14-bit unsigned literal ∈ {0...16384}
lit16	16-bit unsigned literal ∈ {0...65535}
lit23	23-bit unsigned literal ∈ {0...8388608}; LSb must be ‘0’
None	Field does not require an entry, can be blank
OA, OB, SA, SB	DSP Status bits: ACCA Overflow, ACCB Overflow, ACCA Saturate, ACCB Saturate
PC	Program Counter
Slit10	10-bit signed literal ∈ {-512...511}
Slit16	16-bit signed literal ∈ {-32768...32767}
Slit6	6-bit signed literal ∈ {-16...16}
Wb	Base W register ∈ {W0...W15}
Wd	Destination W register ∈ { Wd, [Wd], [Wd++], [Wd--], [++Wd], [--Wd]}
Wdo	Destination W register ∈ { Wnd, [Wnd], [Wnd++], [Wnd--], [++Wnd], [--Wnd], [Wnd+Wb]}
Wm,Wn	Dividend, Divisor Working register pair (direct addressing)
Wm*Wm	Multiplicand and Multiplier Working register pair for Square instructions ∈{W4 * W4,W5 * W5,W6 * W6,W7 * W7}
Wm*Wn	Multiplicand and Multiplier Working register pair for DSP instructions ∈{W4 * W5,W4 * W6,W4 * W7,W5 * W6,W5 * W7,W6 * W7}
Wn One of 16 Working registers ∈ {W0...W15}
Wnd One of 16 Destination Working registers ∈ {W0...W15}
Wns One of 16 Source Working registers ∈ {W0...W15}
WREG W0 (Working register used in file register instructions)
Ws	Source W register ∈ {Ws, [Ws], [Ws++, [Ws--], [++Ws], [--Ws]}
Wso Source W register ∈	{ Wns, [Wns], [Wns++, [Wns--], [++Wns], [--Wns], [Wns+Wb]}
Wx X Data Space Prefetch Address register for DSP instructions ∈ {[W8] += 6, [W8] += 4, [W8] += 2, [W8], [W8] -= 6, [W8] -= 4, [W8] -= 2,[W9] += 6, [W9] += 4, [W9] += 2, [W9], [W9] -= 6, [W9] -= 4, [W9] -= 2,[W9 + W12], none}
Wxd	X Data Space Prefetch Destination register for DSP instructions ∈ {W4...W7}
Wy Y Data Space Prefetch Address register for DSP instructions ∈ {[W10] += 6, [W10] += 4, [W10] += 2, [W10], [W10] -= 6, [W10] -= 4, [W10] -= 2,[W11] += 6, [W11] += 4, [W11] += 2, [W11], [W11] -= 6, [W11] -= 4, [W11] -= 2,[W11 + W12], none}
Wyd	Y Data Space Prefetch Destination register for DSP instructions ∈ {W4...W7}

TABLE 24-2: INSTRUCTION SET OVERVIEW

Base Instr #	Assembly Mnemonic	Assembly Syntax Description		# of Words	# of Cycles(1)	Status Flags Affected
1	ADD ADD Acc		Add Accumulators 1 1 OA,OB,SA,SB
		ADD f	f = f + WREG 1 1 C,DC,N,OV,Z
		ADD f,WREG	WREG = f + WREG 1 1 C,DC,N,OV,Z
		ADD #lit10,Wn	Wd = lit10 + Wd 1 1 C,DC,N,OV,Z
		ADD Wb,Ws,Wd	Wd = Wb + Ws 1 1 C,DC,N,OV,Z
		ADD Wb,#lit5,Wd	Wd = Wb + lit5	1 1 C	DC,N,OV,Z
		ADD Wso,#Slit4,Acc	16-bit Signed Add to Accumulator	1 1 O	A,OB,SA,SB
2	ADDC	ADDC f	f = f + WREG + (C)	1 1 C	DC,N,OV,Z
		ADDC f,WREG	WREG = f + WREG + (C)	1 1 C	DC,N,OV,Z
		ADDC #lit10,Wn	Wd = lit10 + Wd + (C)	1 1 C	DC,N,OV,Z
		ADDC Wb,Ws,Wd	Wd = Wb + Ws + (C)	1 1 C	DC,N,OV,Z
		ADDC Wb,#lit5,Wd	Wd = Wb + lit5 + (C)	1 1 C	DC,N,OV,Z
3	AND AND f		f = f.AND.WREG	1 1	N.Z
		AND f,WREG	WREG = f.AND.WREG	1 1	N.Z
		AND #lit10,Wn	Wd = lit10.AND.Wd	1 1	N.Z
		AND Wb,Ws,Wd	Wd = Wb.AND.Ws 1 1 N,Z
		AND Wb,#lit5,Wd	Wd = Wb.AND.lit5	1 1	N.Z
4	ASR ASR f		f = Arithmetic Right Shift f	1 1	C,N,OV,Z
		ASR f,WREG	WREG = Arithmetic Right Shift f	1 1	C,N,OV,Z
		ASR Ws,Wd	Wd = Arithmetic Right Shift Ws	1 1	C,N,OV,Z
		ASR Wb, Wns,Wnd	Wnd = Arithmetic Right Shift Wb by Wns	1 1	N.Z
		ASR Wb,#lit5,Wnd	Wnd = Arithmetic Right Shift Wb by lit5	1 1	N.Z
5	BCLR	BCLR f,#bit4	Bit Clear f	1 1	None
		BCLR Ws,#bit4	Bit Clear Ws	1 1	None
6	BOOTSWF BO	OTSWF	Swap the active and inactive program Flash Space	1	2	None
7	BRA BRA C,	Expr	Branch if Carry	1	1 (4)	None
		BRA GE,Expr	Branch if greater than or equal	1	1 (4)	None
		BRA GEU,Expr	Branch if unsigned greater than or equal 1	1 (4)	None
		BRA GT,Expr	Branch if greater than	1	1 (4)	None
		BRA GTU,Expr	Branch if unsigned greater than	1	1 (4) None
		BRA LE,Expr	Branch if less than or equal	1	1 (4)	None
		BRA LEU,Expr	Branch if unsigned less than or equal	1	1 (4) None
		BRA LT,Expr	Branch if less than	1	1 (4)	None
		BRA LTU,Expr	Branch if unsigned less than	1	1 (4) None
		BRA N,Expr	Branch if Negative	1	1 (4)	None
		BRA NC,Expr	Branch if Not Carry	1	1 (4)	None
		BRA NN,Expr	Branch if Not Negative	1	1 (4)	None
		BRA NOV,Expr	Branch if Not Overflow	1	1 (4)	None
		BRA NZ,Expr	Branch if Not Zero 1 1 (4) None
		BRA OA,Expr	Branch if Accumulator A overflow	1	1 (4) None
		BRA OB,Expr	Branch if Accumulator B overflow	1	1 (4) None
		BRA OV,Expr	Branch if Overflow	1	1 (4)	None
		BRA SA,Expr	Branch if Accumulator A saturated	1	1 (4)	None
		BRA SB,Expr	Branch if Accumulator B saturated	1	1 (4)	None
		BRA Expr	Branch Unconditionally	1 4	None
		BRA Z,Expr	Branch if Zero	1	1 (4)	None
		BRA Wn	Computed Branch 1 4 None
8	BSET	BSET f,#bit4	Bit Set f	1 1	None
		BSET Ws,#bit4	Bit Set Ws	1 1	None
Base Instr #	Assembly Mnemonic	Assembly Syntax	Description	# of Words	# of Cycles(1)	Status Flags Affected
9	BSW BSW.C	Ws,Wb	Write C bit to Ws1 1 None
		BSW.Z Ws,Wb	Write Z bit to Ws1 1 None
10	BTG BTG f,	#bit4	Bit Toggle f 1 1 None
		BTG Ws,#bit4	Bit Toggle Ws 1 1 None
11	BTSC BTSC	f,#bit4	Bit Test f, Skip if Clear	1 1	(2 or 3)	None
		BTSC Ws,#bit4	Bit Test Ws, Skip if Clear	1 1	(2 or 3)	None
12	BTSS BTSS	f,#bit4	Bit Test f, Skip if Set	1 1	(2 or 3)	None
		BTSS Ws,#bit4	Bit Test Ws, Skip if Set	1 1	(2 or 3)	None
13	BTST BTST	f,#bit4	Bit Test f	1 1	Z
		BTST.C Ws,#bit4	Bit Test Ws to C	1 1	C
		BTST.Z Ws,#bit4	Bit Test Ws to Z	1 1	Z
		BTST.C Ws,Wb	Bit Test Wsto C 1 1 C
		BTST.Z Ws,Wb	Bit Test Wsto Z	1 1	Z
14	BTSTS	BTSTS f,#bit4	Bit Test then Set f	1 1	Z
		BTSTS.C Ws,#bit4	Bit Test Ws to C, then Set	1 1	C
		BTSTS.Z Ws,#bit4	Bit Test Ws to Z, then Set	1 1	Z
15	CALL CALL	lit23	Call subroutine	2 4	SFA
		CALL Wn	Call indirect subroutine 1 4 SFA
		CALL.L Wn	Call indirect subroutine (long address) 1 4		SFA
16	CLR CLR f		f = 0x0000	1 1 None
		CLR WREG	WREG = 0x0000	1 1 None
		CLR Ws	Ws = 0x0000	1 1 None
		CLR Acc,Wx,Wxd,Wy,Wyd,AWB	Clear Accumulator	1 1	OA,OB,SA,SB
17	CLRWDT	CLRWDT	Clear Watchdog Timer	1 1 WDTO,Sleep
18	COM COM f		f=f	1	1	N,Z
		COM f,WREG	WREG = f	1	1	N,Z
		COM Ws,Wd	Wd = Ws	1	1	N,Z
19	CP	CP f	Compare f with WREG 1 1 C,DC,N,OV,Z
		CP Wb,#lit8	Compare Wb with lit8	1 1	C,DC,N,OV,Z
		CP Wb,Ws	Compare Wb with Ws (Wb - Ws)	1 1	C,DC,N,OV,Z
20	CP0 CP0 f		Compare f with 0x0000	1 1	C,DC,N,OV,Z
		CP0 Ws	Compare Ws with 0x0000	1 1	C,DC,N,OV,Z
21	CPB CPB f		Compare f with WREG, with Borrow	1 1	C,DC,N,OV,Z
		CPB Wb,#lit8	Compare Wb with lit8, with Borrow	1 1	C,DC,N,OV,Z
		CPB Wb,Ws	Compare Wb with Ws, with Borrow (Wb - Ws - C)	1 1	C,DC,N,OV,Z
22	CPSEQ	CPSEQ Wb,Wn	Compare Wb with Wn, skip if =	1 1	(2 or 3)	None
	CPBEQ	CPBEQ Wb,Wn,Expr	Compare Wb with Wn, branch if =	1	1 (5)	None
23	CPSGT	CPSGT Wb,Wn	Compare Wb with Wn, skip if >	1 1	(2 or 3)	None
	CPBGT	CPBGT Wb,Wn,Expr	Compare Wb with Wn, branch if >	1	1 (5)	None
24	CPSLT	CPSLT Wb,Wn	Compare Wb with Wn, skip if <	1 1	(2 or 3)	None
	CPBLT	CPBLT Wb,Wn,Expr	Compare Wb with Wn, branch if <	1	1 (5)	None
25	CPSNE	CPSNE Wb,Wn	Compare Wb with Wn, skip if ≠	1	1 (2 or 3)	None
	CPBNE	CPBNE Wb,Wn,Expr	Compare Wb with Wn, branch if ≠	1	1 (5)	None
26	CTXTSWP CT	XTSWP #lit3	Switch CPU register context to context defined by lit3	1	2	N
		CTXTSWP Wn	Switch CPU register context to context defined by Wn	1	2	N
27	DAW DAW Wn		Wn = decimal adjust Wn 1 1 C
28	DEC DEC f		f = f - 1 1 1 C,DC,N,OV,Z
		DEC f,WREG	WREG = f - 1 1 1 C,DC,N,OV,Z
		DEC Ws,Wd	Wd = Ws - 1 1 1 C,DC,N,OV,Z
29	DEC2	DEC2 f	f = f - 2 1 1 C,DC,N,OV,Z
		DEC2 f,WREG	WREG = f - 2 1 1 C,DC,N,OV,Z
		DEC2 Ws,Wd	Wd = Ws - 2 1 1 C,DC,N,OV,Z
30	DISI	DISI #lit14	Disable Interrupts for k instruction cycles	1 1	None
31	DIV DIV	.S Wm,Wn	Signed 16/16-bit Integer Divide	1	18	N,Z,C,OV
		DIV.SD Wm,Wn	Signed 32/16-bit Integer Divide	1	18	N,Z,C,OV
		DIV.U Wm,Wn	Unsigned 16/16-bit Integer Divide	1	18	N,Z,C,OV
		DIV.UD Wm,Wn	Unsigned 32/16-bit Integer Divide	1	18	N,Z,C,OV
32	DIVF	DIVF Wm,Wn	Signed 16/16-bit Fractional Divide	1	18	N,Z,C,OV
33	DO	DO #lit15,Expr	Do code to PC + Expr, lit15 + 1 time	2 2	None
		DO Wn,Expr	Do code to PC + Expr, (Wn) + 1 time	2 2	None
34	ED	ED Wm*Wm,Acc,Wx,Wy,Wxd	Euclidean Distance (no accumulate)	1	1	OA,OB,OAB,SA,SB,SAB
35	EDAC	EDAC Wm*Wm,Acc,Wx,Wy,Wxd	Euclidean Distance	1 1	OA,OB,OAB,SA,SB,SAB
36	EXCH	EXCH Wns,Wnd	Swap Wns with Wnd	1 1	None
37	FBCL	FBCL Ws,Wnd	Find Bit Change from Left (MSb) Side	1 1 C
38	FF1L	FF1L Ws,Wnd	Find First One from Left (MSb) Side	1 1 C
39	FF1R	FF1R Ws,Wnd	Find First One from Right (LSb) Side	1 1 C
40	GOTO	GOTO Expr	Go to address	2 4	None
		GOTO Wn	Go to indirect	1 4	None
		GOTO.L Wn	Go to indirect (long address)	1 4	None
41	INC INC f		f = f + 1 1 1 C,DC,N,OV,Z
		INC f,WREG	WREG = f + 1 1 1 C,DC,N,OV,Z
		INC Ws,Wd	Wd = Ws + 1 1 1 C,DC,N,OV,Z
42	INC2	INC2 f	f = f + 2 1 1 C,DC,N,OV,Z
		INC2 f,WREG	WREG = f + 2 1 1 C,DC,N,OV,Z
		INC2 Ws,Wd	Wd = Ws + 2 1 1 C,DC,N,OV,Z
43	IOR IOR f		f = f.IOR.WREG	1	1	N,Z
		IOR f,WREG	WREG = f.IOR.WREG	1	1	N,Z
		IOR #lit10,Wn	Wd = lit10.IOR.Wd	1	1	N,Z
		IOR Wb,Ws,Wd	Wd = Wb.IOR.Ws	1	1	N,Z
		IOR Wb,#lit5,Wd	Wd = Wb.IOR.lit5	1	1	N,Z
44	LAC LAC Wso,#Slit4,Acc		Load Accumulator	1	1	OA,OB,OAB,SA,SB,SAB
45	LNK LNK #lt14		Link Frame Pointer	1 1	SFA
46	LSR LSR f		f = Logical Right Shift f	1 1	C,N,OV,Z
		LSR f,WREG	WREG = Logical Right Shift f	1	1	C,N,OV,Z
		LSR Ws,Wd	Wd = Logical Right Shift Ws	1	1	C,N,OV,Z
		LSR Wb,Wns,Wnd	Wnd = Logical Right Shift Wb by Wns	1 1	N,Z
		LSR Wb,#lit5,Wnd	Wnd = Logical Right Shift Wb by lit5	1	1	N,Z
47	MAC MAC Wm*Wn,Acc,Wx,Wxd,Wy,Wyd,AWB		Multiply and Accumulate	1	1	OA,OB,OAB,SA,SB,SAB
			MAC Wm*Wn,Acc,Wx,Wxd,Wy,Wyd	Square and Accumulate	1	1	OA,OB,OAB,SA,SB,SAB
48	MOV MOV f,	Wn	Move f to Wn 1 1 None
		MOV f	Move f to f 1 1 None
		MOV f,WREG	Move f to WREG 1 1 None
		MOV #lit16,Wn	Move 16-bit literal to Wn 1 1 None
		MOV.b #lit8,Wn	Move 8-bit literal to Wn 1 1 None
		MOV Wn,f	Move Wn to f 1 1 None
		MOV Wso,Wdo	Move Ws to Wd 1 1 None
		MOV WREG,f	Move WREG to f 1 1 None
		MOV.D Wns,Wd	Move Double from W(ns):W(ns + 1) to Wd	1	2	None
		MOV.D Ws,Wnd	Move Double from Ws to W(nd + 1):W(nd)	1	2	None
49	MOVPAG	MOVPAG #lit10,DSRPAG	Move 10-bit literal to DSRPAG	1 1 None
		MOVPAG #lit8,TBLPAG	Move 8-bit literal to TBLPAG	1 1 None
		MOVPAGW Ws, DSRPAG	Move Ws<9:0> to DSRPAG	1 1 None
		MOVPAGW Ws, TBLPAG	Move Ws<7:0> to TBLPAG	1 1 None
50	MOVSAC	MOVSAC Acc,Wx,Wxd,Wy,Wyd,AWB	Prefetch and store accumulator	1 1 None
51	MPY MPY	Wm*Wn,Acc,Wx,Wxd,Wy,Wyd	Multiply Wm by Wn to Accumulator	1 1	OA,OB,OAB,SA,SB,SAB
		MPY Wm*Wm,Acc,Wx,Wxd,Wy,Wyd	Square Wm to Accumulator	1 1	OA,OB,OAB,SA,SB,SAB
52	MPY.N	MPY.N Wm*Wn,Acc,Wx,Wxd,Wy,Wyd	-(Multiply Wm by Wn) to Accumulator	1 1 None
53	MSC MSC Wm	*Wm,Acc,Wx,Wxd,Wy,Wyd,AWB	Multiply and Subtract from Accumulator	1 1	OA,OB,OAB,SA,SB,SAB
54	MUL MUL.SS	Wb,Ws,Wnd	{Wnd + 1, Wind} = signed(Wb) * signed(Ws)	1	1	None
		MUL.SS Wb,Ws,Acc	Accumulator = signed(Wb) * signed(Ws)	1	1	None
		MUL.SU Wb,Ws,Wnd	{Wnd + 1, Wind} = signed(Wb) * unsigned(Ws)	1	1	None
		MUL.SU Wb,Ws,Acc	Accumulator = signed(Wb) * unsigned(Ws)	1	1	None
		MUL.SU Wb,#lit5,Acc	Accumulator = signed(Wb) * unsigned(lit5)	1	1	None
		MUL.US Wb,Ws,Wnd	{Wnd + 1, Wind} = unsigned(Wb) * signed(Ws)	1	1	None
		MUL.US Wb,Ws,Acc	Accumulator = unsigned(Wb) * signed(Ws)	1 1 None
		MUL.UU Wb,Ws,Wnd	{Wnd + 1, Wind} = unsigned(Wb) * unsigned(Ws)	1	1	None
		MUL.UU Wb,#lit5,Acc	Accumulator = unsigned(Wb) * unsigned(lit5)	1	1	None
		MUL.UU Wb,Ws,Acc	Accumulator = unsigned(Wb) * unsigned(Ws)	1	1	None
		MULW.SS Wb,Ws,Wnd	Wnd = signed(Wb) * signed(Ws)	1	1	None
		MULW.SU Wb,Ws,Wnd	Wnd = signed(Wb) * unsigned(Ws)	1	1	None
		MULW.US Wb,Ws,Wnd	Wnd = unsigned(Wb) * signed(Ws)	1	1	None
		MULW.UU Wb,Ws,Wnd	Wnd = unsigned(Wb) * unsigned(Ws)	1	1	None
		MUL.SU Wb,#lit5,Wnd	{Wnd + 1, Wind} = signed(Wb) * unsigned(lit5)	1	1	None
		MUL.SU Wb,#lit5,Wnd	Wnd = signed(Wb) * unsigned(lit5)	1	1	None
		MUL.UU Wb,#lit5,Wnd	{Wnd + 1, Wind} = unsigned(Wb) * unsigned(lit5)	1	1	None
		MUL.UU Wb,#lit5,Wnd	Wnd = unsigned(Wb) * unsigned(lit5)	1	1	None
		MUL f	W3:W2 = f * WREG	1 1 None
Base Instr #	Assembly Mnemonic	Assembly Syntax Description		# of Words	# of Cycles(1)	Status Flags Affected
55	NEG NEG Acc		Negate Accumulator 1 1 OA,OB,OAB,			SA,SB,SAB
		NEG f	f = f + 1 1 1 C,DC,N,OV,Z
		NEG f,WREG	WREG = f + 1 1 1 C,DC,N,OV,Z
		NEG Ws,Wd	Wd = Ws + 1 1 1 C,DC,N,OV,Z
56	NOP NOP		No Operation 1 1 None
		NOPR	No Operation 1 1 None
57	POP POP f		Pop f from Top-of-Stack (TOS) 1 1 None
		POP Wdo	Pop from Top-of-Stack (TOS) to Wdo 1 1 None
		POP.D Wnd	Pop from Top-of-Stack (TOS) to W(nd):W(nd + 1)	1	2	None
		POP.S	Pop Shadow Registers	1	1	All
58	PUSH	PUSH f	Push f to Top-of-Stack (TOS)	1 1 None
		PUSH Wso	Push Wso to Top-of-Stack (TOS)	1 1 None
		PUSH.D Wns	Push W(ns):W(ns + 1) to Top-of-Stack (TOS)	1	2	None
		PUSH.S	Push Shadow Registers	1 1 None
59	PWRSAV	PWRSAV #lit1	Go into Sleep or Idle mode	1 1 W	DTO,Sleep
60	RCALL	RCALL Expr	Relative Call	14	SFA
		RCALL Wn	Computed Call	14	SFA
61	REPEAT	REPEAT #lit15	Repeat Next Instruction lit15 + 1 time 1 1 None
		REPEAT Wn	Repeat Next Instruction (Wn) + 1 time	1 1	None
62	RESET	RESET	Software device Reset	1 1	None
63	RETFIE	RETFIE	Return from interrupt	1	6 (5)	SFA
64	RETLW	RETLW #lit10,Wn	Return with literal in Wn	1	6 (5)	SFA
65	RETURN	RETURN	Return from Subroutine	1	6 (5)	SFA
66	RLC RLC f		f = Rotate Left through Carry f	1 1	C,N,Z
		RLC f,WREG	WREG = Rotate Left through Carry f	1 1	C,N,Z
		RLC Ws,Wd	Wd = Rotate Left through Carry Ws	1 1	C,N,Z
67	RLNC	RLNC f	f = Rotate Left (No Carry) f	1 1	N,Z
		RLNC f,WREG	WREG = Rotate Left (No Carry) f	1 1	N,Z
		RLNC Ws,Wd	Wd = Rotate Left (No Carry) Ws	1 1	N,Z
68	RRC RRC f		f = Rotate Right through Carry f	1 1	C,N,Z
		RRC f,WREG	WREG = Rotate Right through Carry f	1 1	C,N,Z
		RRC Ws,Wd	Wd = Rotate Right through Carry Ws	1 1	C,N,Z
69	RRNC	RRNC f	f = Rotate Right (No Carry) f	1 1	N,Z
		RRNC f,WREG	WREG = Rotate Right (No Carry) f	1 1	N,Z
		RRNC Ws,Wd	Wd = Rotate Right (No Carry) Ws	1 1	N,Z
70	SAC SAC Acc,#Slit4,Wdo		Store Accumulator	1 1	None
			SAC.R Acc,#Slit4,Wdo	Store Rounded Accumulator	1 1 None
71	SE	SE Ws,Wnd	Wnd = sign-extended Ws	1 1	C,N,Z
72	SETM	SETM f	f = 0xFFFF	1 1	None
		SETM WREG	WREG = 0xFFFF	1 1	None
		SETM Ws	Ws = 0xFFFF	1 1	None
73	SFTAC	SFTAC Acc,Wn	Arithmetic Shift Accumulator by (Wn)	1 1 CA,OB,OAB,		SA,SB,SAB
		SFTAC Acc,#Slit6	Arithmetic Shift Accumulator by Slit6 1 1 O A,OB,OAB,			SA,SB,SAB
Base Instr #	Assembly Mnemonic	Assembly Syntax	Description	# of Words	# of Cycles(1)	Status Flags Affected
74	SL SL f		f = Left Shift f 1 1 C,N,OV,Z
		SL f,WREG	WREG = Left Shift f 1 1 C,N,OV,Z
		SL Ws,Wd	Wd = Left Shift Ws 1 1 C,N,OV,Z
		SL Wb,Wns,Wnd	Wnd = Left Shift Wb by Wns 1 1 N,Z
		SL Wb,#lit5,Wnd	Wnd = Left Shift Wb by lit5 1 1 N,Z
75	SUB SUB Acc		Subtract Accumulators	1 1	OA,OB,OAB,SA,SB,SAB
		SUB f	f = f-WREG	1 1	C,DC,N,OV,Z
		SUB f,WREG	WREG = f-WREG	1 1	C,DC,N,OV,Z
		SUB #lit10,Wn	Wn = Wn - lit10	1 1	C,DC,N,OV,Z
		SUB Wb,Ws,Wd	Wd = Wb - Ws	1 1	C,DC,N,OV,Z
		SUB Wb,#lit5,Wd	Wd = Wb - lit5	1 1	C,DC,N,OV,Z
76	SUBB SUBB	f	f = f-WREG-(C)	1	1	C,DC,N,OV,Z
		SUBB f,WREG	WREG = f-WREG-(C)	1	1	C,DC,N,OV,Z
		SUBB #lit10,Wn	Wn = Wn - lit10-(C)	1	1	C,DC,N,OV,Z
		SUBB Wb,Ws,Wd	Wd = Wb - Ws-(C)	1	1	C,DC,N,OV,Z
		SUBB Wb,#lit5,Wd	Wd = Wb - lit5-(C)	1	1	C,DC,N,OV,Z
77	SUBR SUBR	f	f = WREG-f	1 1	C,DC,N,OV,Z
		SUBR f,WREG	WREG = WREG-f	1	1	C,DC,N,OV,Z
		SUBR Wb,Ws,Wd	Wd = Ws-Wb	1 1	C,DC,N,OV,Z
		SUBR Wb,#lit5,Wd	Wd = lit5-Wb	1	1	C,DC,N,OV,Z
78	SUBBR	SUBBR f	f = WREG-f-(C)	1	1	C,DC,N,OV,Z
		SUBBR f,WREG	WREG = WREG-f-(C)	1	1	C,DC,N,OV,Z
		SUBBR Wb,Ws,Wd	Wd = Ws-Wb-(C)	1	1	C,DC,N,OV,Z
		SUBBR Wb,#lit5,Wd	Wd = lit5-Wb-(C)	1	1	C,DC,N,OV,Z
79	SWAP SWAP.b Wh		Wn = nibble swap Wn	1 1	None
			SWAP Wn	Wn = byte swap Wn	1 1	None
80	TBLRDH	TBLRDH Ws,Wd	Read Prog<23:16> to Wd<7:0>	1 5	None
81	TBLRDL	TBLRDL Ws,Wd	Read Prog<15:0> to Wd	1 5	None
82	TBLWTH	TBLWTH Ws,Wd	Write Ws<7:0> to Prog<23:16>	1 2	None
83	TBLWTL	TBLWTL Ws,Wd	Write Ws to Prog<15:0>	1	2	None
84	ULNK ULNK		Unlink Frame Pointer	1 1 SFA
85	XOR XOR f		f = f.XOR. WREG	1 1 N.Z
		XOR f,WREG	WREG = f .XOR. WREG	1 1 N.Z
		XOR #lit10,Wn	Wd = lit10 .XOR. Wd	1 1 N.Z
		XOR Wb,Ws,Wd	Wd = Wb .XOR. Ws	1 1 N.Z
		XOR Wb,#lit5,Wd	Wd = Wb .XOR. lit5 1 1 N.Z
86	ZE ZE Ws,Wnd		Wnd = Zero-extend Ws	1	1	C,Z,N

Note 1: Read and Read-Modify-Write (e.g., bit operations and logical operations) on non-CPU SFRs incur an additional instruction cycle.

NOTES:

25.0 DEVELOPMENT SUPPORT

The PIC ^® microcontrollers (MCU) and dsPIC ^® digital signal controllers (DSC) are supported with a full range of software and hardware development tools:

- Integrated Development Environment - MPLAB ^® X IDE Software

- Compilers/Assemblers/Linkers

- MPLAB XC Compiler

- MPASM ^TM Assembler

- M P L ^TM Object Linker/MPLIB ^TM Object Librarian

- MPLAB Assembler/Linker/Librarian for Various Device Families

- Simulators

- MPLAB X SIM Software Simulator

- Emulators

- MPLAB REAL ICE™ In-Circuit Emulator

- In-Circuit Debuggers/Programmers - MPLAB ICD 3 - PICkit™ 3

• Device Programmers

- MPLAB PM3 Device Programmer

- Low-Cost Demonstration/Development Boards, Evaluation Kits and Starter Kits

• Third-party development tools

25.1 MPLAB X Integrated Development Environment Software

The MPLAB X IDE is a single, unified graphical user interface for Microchip and third-party software, and hardware development tool that runs on Windows ^® , Linux and Mac OS ^® X. Based on the NetBeans IDE, MPLAB X IDE is an entirely new IDE with a host of free software components and plug-ins for high-performance application development and debugging. Moving between tools and upgrading from software simulators to hardware debugging and programming tools is simple with the seamless user interface.

With complete project management, visual call graphs, a configurable watch window and a feature-rich editor that includes code completion and context menus, MPLAB X IDE is flexible and friendly enough for new users. With the ability to support multiple tools on multiple projects with simultaneous debugging, MPLAB X IDE is also suitable for the needs of experienced users.

Feature-Rich Editor:

• Color syntax highlighting

- Smart code completion makes suggestions and provides hints as you type

• Automatic code formatting based on user-defined rules

- Live parsing

User-Friendly, Customizable Interface:

- Fully customizable interface: toolbars, toolbar buttons, windows, window placement, etc.

- Call graph window

Project-Based Workspaces:

- Multiple projects

- Multiple tools

- Multiple configurations

- Simultaneous debugging sessions

File History and Bug Tracking:

- Local file history feature

• Built-in support for Bugzilla issue tracker

25.2 MPLAB XC Compilers

The MPLAB XC Compilers are complete ANSI C compilers for all of Microchip's 8, 16 and 32-bit MCU and DSC devices. These compilers provide powerful integration capabilities, superior code optimization and ease of use. MPLAB XC Compilers run on Windows, Linux or MAC OS X.

For easy source level debugging, the compilers provide debug information that is optimized to the MPLAB X IDE.

The free MPLAB XC Compiler editions support all devices and commands, with no time or memory restrictions, and offer sufficient code optimization for most applications.

MPLAB XC Compilers include an assembler, linker and utilities. The assembler generates relocatable object files that can then be archived or linked with other relocatable object files and archives to create an executable file. MPLAB XC Compiler uses the assembler to produce its object file. Notable features of the assembler include:

• Support for the entire device instruction set
• Support for fixed-point and floating-point data
• Command-line interface
• Rich directive set
• Flexible macro language
• MPLAB X IDE compatibility

25.3 MPASM Assembler

The MPASM Assembler is a full-featured, universal macro assembler for PIC10/12/16/18 MCUs.

The MPASM Assembler generates relocatable object files for the MPLINK Object Linker, Intel ^® standard HEX files, MAP files to detail memory usage and symbol reference, absolute LST files that contain source lines and generated machine code, and COFF files for debugging.

The MPASM Assembler features include:

• Integration into MPLAB X IDE projects
- User-defined macros to streamline assembly code
- Conditional assembly for multipurpose source files
- Directives that allow complete control over the assembly process

25.4 MPLINK Object Linker/MPLIB Object Librarian

The MPLINK Object Linker combines relocatable objects created by the MPASM Assembler. It can link relocatable objects from precompiled libraries, using directives from a linker script.

The MPLIB Object Librarian manages the creation and modification of library files of precompiled code. When a routine from a library is called from a source file, only the modules that contain that routine will be linked in with the application. This allows large libraries to be used efficiently in many different applications.

The object linker/library features include:

• Efficient linking of single libraries instead of many smaller files
• Enhanced code maintainability by grouping related modules together
• Flexible creation of libraries with easy module listing, replacement, deletion and extraction

25.5 MPLAB Assembler, Linker and Librarian for Various Device Families

MPLAB Assembler produces relocatable machine code from symbolic assembly language for PIC24, PIC32 and dsPIC DSC devices. MPLAB XC Compiler uses the assembler to produce its object file. The assembler generates relocatable object files that can then be archived or linked with other relocatable object files and archives to create an executable file. Notable features of the assembler include:

• Support for the entire device instruction set
• Support for fixed-point and floating-point data
• Command-line interface
• Rich directive set
• Flexible macro language
• MPLAB X IDE compatibility

25.6 MPLAB X SIM Software Simulator

The MPLAB X SIM Software Simulator allows code development in a PC-hosted environment by simulating the PIC MCUs and dsPIC DSCs on an instruction level. On any given instruction, the data areas can be examined or modified and stimuli can be applied from a comprehensive stimulus controller. Registers can be logged to files for further run-time analysis. The trace buffer and logic analyzer display extend the power of the simulator to record and track program execution, actions on I/O, most peripherals and internal registers.

The MPLAB X SIM Software Simulator fully supports symbolic debugging using the MPLAB XC Compilers, and the MPASM and MPLAB Assemblers. The software simulator offers the flexibility to develop and debug code outside of the hardware laboratory environment, making it an excellent, economical software development tool.

25.7 MPLAB REAL ICE In-Circuit Emulator System

The MPLAB REAL ICE In-Circuit Emulator System is Microchip's next generation high-speed emulator for Microchip Flash DSC and MCU devices. It debugs and programs all 8, 16 and 32-bit MCU, and DSC devices with the easy-to-use, powerful graphical user interface of the MPLAB X IDE.

The emulator is connected to the design engineer's PC using a high-speed USB 2.0 interface and is connected to the target with either a connector compatible with in-circuit debugger systems (RJ-11) or with the new high-speed, noise tolerant, Low-Voltage Differential Signal (LVDS) interconnection (CAT5).

The emulator is field upgradable through future firmware downloads in MPLAB X IDE. MPLAB REAL ICE offers significant advantages over competitive emulators including full-speed emulation, run-time variable watches, trace analysis, complex breakpoints, logic probes, a ruggedized probe interface and long (up to three meters) interconnection cables.

25.8 MPLAB ICD 3 In-Circuit Debugger System

The MPLAB ICD 3 In-Circuit Debugger System is Microchip's most cost-effective, high-speed hardware debugger/programmer for Microchip Flash DSC and MCU devices. It debugs and programs PIC Flash microcontrollers and dsPIC DSCs with the powerful, yet easy-to-use graphical user interface of the MPLAB IDE.

The MPLAB ICD 3 In-Circuit Debugger probe is connected to the design engineer's PC using a high-speed USB 2.0 interface and is connected to the target with a connector compatible with the MPLAB ICD 2 or MPLAB REAL ICE systems (RJ-11). MPLAB ICD 3 supports all MPLAB ICD 2 headers.

25.9 PICkit 3 In-Circuit Debugger/Programmer

The MPLAB PICkit 3 allows debugging and programming of PIC and dsPIC Flash microcontrollers at a most affordable price point using the powerful graphical user interface of the MPLAB IDE. The MPLAB PICkit 3 is connected to the design engineer's PC using a full-speed USB interface and can be connected to the target via a Microchip debug (RJ-11) connector (compatible with MPLAB ICD 3 and MPLAB REAL ICE). The connector uses two device I/O pins and the Reset line to implement in-circuit debugging and In-Circuit Serial Programming™ (ICSP™).

25.10 MPLAB PM3 Device Programmer

The MPLAB PM3 Device Programmer is a universal, CE compliant device programmer with programmable voltage verification at VDDMIN and VDDMAX for maximum reliability. It features a large LCD display (128 x 64) for menus and error messages, and a modular, detachable socket assembly to support various package types. The ICSP cable assembly is included as a standard item. In Stand-Alone mode, the MPLAB PM3 Device Programmer can read, verify and program PIC devices without a PC connection. It can also set code protection in this mode. The MPLAB PM3 connects to the host PC via an RS-232 or USB cable. The MPLAB PM3 has high-speed communications and optimized algorithms for quick programming of large memory devices, and incorporates an MMC card for file storage and data applications.

25.11 Demonstration/Development Boards, Evaluation Kits and Starter Kits

A wide variety of demonstration, development and evaluation boards for various PIC MCUs and dsPIC DSCs allows quick application development on fully functional systems. Most boards include prototyping areas for adding custom circuitry and provide application firmware and source code for examination and modification.

The boards support a variety of features, including LEDs, temperature sensors, switches, speakers, RS-232 interfaces, LCD displays, potentiometers and additional EEPROM memory.

The demonstration and development boards can be used in teaching environments, for prototyping custom circuits and for learning about various microcontroller applications.

In addition to the PICDEM™ and dsPICDEM™ demonstration/development board series of circuits, Microchip has a line of evaluation kits and demonstration software for analog filter design, KEELOQ® security ICs, CAN, IrDA®, PowerSmart battery management, SEEVAL® evaluation system, Sigma-Delta ADC, flow rate sensing, plus many more.

Also available are starter kits that contain everything needed to experience the specified device. This usually includes a single application and debug capability, all on one board.

Check the Microchip web page (www.microchip.com) for the complete list of demonstration, development and evaluation kits.

25.12 Third-Party Development Tools

Microchip also offers a great collection of tools from third-party vendors. These tools are carefully selected to offer good value and unique functionality.

• Device Programmers and Gang Programmers from companies, such as SoftLog and CCS
- Software Tools from companies, such as Gimpel and Trace Systems
- Protocol Analyzers from companies, such as Saleae and Total Phase
- Demonstration Boards from companies, such as MikroElektronika, Digilent® and Olimex
- Embedded Ethernet Solutions from companies, such as EZ Web Lynx, WIZnet and IPLogika®

26.0 ELECTRICAL CHARACTERISTICS

This section provides an overview of the dsPIC33EPXXGS50X family electrical characteristics. Additional information will be provided in future revisions of this document as it becomes available.

Absolute maximum ratings for the dsPIC33EPXXGS50X family are listed below. Exposure to these maximum rating conditions for extended periods may affect device reliability. Functional operation of the device at these, or any other conditions above the parameters indicated in the operation listings of this specification, is not implied.

Absolute Maximum Ratings ^(1)

Ambient temperature under bias....-40°C to +125°C

Storage temperature -65°C to +150°C

Voltage on VDD with respect to Vss -0.3V to +4.0V

Voltage on any pin that is not 5V tolerant with respect to ^(3) -0.3V to ( + 0.3)

Voltage on any 5V tolerant pin with respect to Vss when VDD ≥ 3.0 ^(3) -0.3V to +5.5V

Voltage on any 5V tolerant pin with respect to Vss when D < 3.0V^(3) -0.3V to +3.6V

Maximum current out of Vss pin 300 mA

Maximum current into VDD pin ^(2) 300 mA

Maximum current sunk/sourced by any 4x I/O pin....15 mA

Maximum current sunk/sourced by any 8x I/O pin....25 mA

Maximum current sunk by all ports ^(2) 200 mA

Note 1: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those, or any other conditions above those indicated in the operation listings of this specification, is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

2: Maximum allowable current is a function of device maximum power dissipation (see Table 26-2).

3: See the "Pin Diagrams" section for the 5V tolerant pins.

26.1 DC Characteristics

TABLE 26-1: OPERATING MIPS vs. VOLTAGE

Characteristic	VDD Range(in Volts)	Temperature Range(in °C)	Maximum MIPS
			dsPIC33EPXXGS50X Family
— 3.0V to 3.6V (1)		-40°C to +85°C 70
— 3.0V to 3.6V (1)		-40°C to +125°C 60

Note 1: Device is functional at VBORMIN < VDD < VDDMIN. Analog modules (ADC, PGAs and comparators) may have degraded performance. Device functionality is tested but not characterized. Refer to Parameter BO10 in Table 26-13 for the minimum and maximum BOR values.

TABLE 26-2: THERMAL OPERATING CONDITIONS

Rating Symbol Min. Typ. Max. Unit
Industrial Temperature Devices
Operating Junction Temperature Range T	J	-40	—	+125	°C
Operating Ambient Temperature Range T	A	-40	—	+85	°C
Extended Temperature Devices
Operating Junction Temperature Range T	J	-40	—	+140	°C
Operating Ambient Temperature Range T	A	-40	—	+125	°C
Power Dissipation:
Internal Chip Power Dissipation: P_INT = V_DD × (I_DD - I_OH) I/O Pin Power Dissipation: I/O = (_DD - V_OH × I_OH) + (V_OL × I_OL)	P_D		P_INT + P_I/O		W
Maximum Allowed Power Dissipation	P_DMAX		(T_J - T_A)/0JA		W

TABLE 26-3: THERMAL PACKAGING CHARACTERISTICS

Characteristic	Symbol	Typ. Max.	Unit	Notes
Package Thermal Resistance, 64-Pin TQFP 10x10x1 mm	_JA	49.0	—	°C/W	1
Package Thermal Resistance, 48-Pin TQFP 7x7x1.0 mm	_JA	63.0	—	°C/W	1
Package Thermal Resistance, 44-Pin QFN 8x8 mm	_JA	29.0	—	°C/W	1
Package Thermal Resistance, 44-Pin TQFP 10x10x1 mm	_JA	50.0	—	°C/W	1
Package Thermal Resistance, 28-Pin QFN-S 6x6x0.9 mm	_JA	30.0	—	°C/W	1
Package Thermal Resistance, 28-Pin UQFN 6x6x0.5 mm	_JA	26.0	—	°C/W	1
Package Thermal Resistance, 28-Pin SOIC 7.50 mm	_JA	70.0	—	°C/W	1

Note 1: Junction to ambient thermal resistance, Theta-JA ( _JA ) numbers are achieved by package simulations.

TABLE 26-4: DC TEMPERATURE AND VOLTAGE SPECIFICATIONS

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)(1)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ. Max. Units	Conditions
Operating Voltage
DC10 V	DD	Supply Voltage	3.0 —	3.6	V
DC12 V	DR	RAM Retention Voltage(2)	1.8 —	—	V	-40°C
			2	—	—		+25°C, +85°C, +125°C
DC16 V	POR	VDD Start Voltageto Ensure InternalPower-on Reset Signal	—	—	Vss	V
DC17 S	VDD	VDD Rise Rateto Ensure InternalPower-on Reset Signal	1.0 —	—	V/ms	0V-3V in 3 ms

Note 1: Device is functional at V_BORMIN < V_DD < V_DDMIN . Analog modules (ADC, PGAs and comparators) may have degraded performance. Device functionality is tested but not characterized. Refer to Parameter BO10 in Table 26-13 for the minimum and maximum BOR values.
2: This is the limit to which V_DD may be lowered and the RAM contents will always be retained.

TABLE 26-5: FILTER CAPACITOR (C EFC) SPECIFICATIONS

Standard Operating Conditions (unless otherwise stated):Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristics	Min.	Typ.	Max.	Units	Comments
	C_EFC	External Filter Capacitor Value(1)	4.7	10	—	μF	Capacitor must have a low series resistance (<1 ohm)

Note 1: Typical V CAP Voltage = 1.8 volts when VDD ≥ VDDMIN.

TABLE 26-6: DC CHARACTERISTICS: OPERATING CURRENT (I DD)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Parameter No.	Typ. Max. Units Conditions
Operating Current (IDD)(1)
DC20d 7 12 mA	-40°C				3.3V 10 MIPS
DC20a 7 12 mA	+25°C
DC20b 7 12 mA	+85°C
DC20c 7 12 mA	+125°C
DC22d	11	19 mA	-40°C		3.3V 20 MIPS
DC22a	11	19 mA	+25°C
DC22b	11	19 mA	+85°C
DC22c	11	19	mA	+125°C
DC24d	19	30	mA -40°C		3.3V 40 MIPS
DC24a	19	30	mA	+25°C
DC24b	19	30	mA	+85°C
DC24c	19	30	mA	+125°C
DC25d	26	41	mA -40°C		3.3V 60 MIPS
DC25a	26	41	mA	+25°C
DC25b	26	41	mA	+85°C
DC25c	26	41	mA	+125°C
DC26d	30	46	mA -40°C		3.3V	70 MIPS
DC26a	30	46	mA	+25°C
DC26b	30	46	mA	+85°C
DC27d	51	81	mA -40°C		3.3V	70 MIPS(Note 2)
DC27a	51	81	mA	+25°C
DC27b	52	82	mA	+85°C

Note 1: IDD is primarily a function of the operating voltage and frequency. Other factors, such as I/O pin loading and switching rate, oscillator type, internal code execution pattern and temperature, also have an impact on the current consumption. The test conditions for all DD measurements are as follows:
- Oscillator is configured in EC mode with PLL, OSC1 is driven with external square wave from rail-to-rail (EC clock overshoot/undershoot < 250 mV required)
- CLKO is configured as an I/O input pin in the Configuration Word
- All I/O pins are configured as inputs and pulled to Vss
- = V_DD , WDT and FSCM are disabled
• CPU, SRAM, program memory and data memory are operational
- No peripheral modules are operating or being clocked (all defined PMDx bits are set)
• CPU is executing while(1) statement
- JTAG is disabled
2: For this specification, the following test conditions apply:
- APLL clock is enabled
- All 5 PWMs enabled and operating at maximum speed (PTCON2<2:0> = 000), PTPER = 1000h, 50% duty cycle
- All other peripherals are disabled (corresponding PMDx bits are set)

TABLE 26-7: DC CHARACTERISTICS: IDLE CURRENT (I IDLE)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Parameter No.	Typ. Max.	Units Conditions
Idle Current (IDLE)(1)
DC40d 2 4 mA	-40°C				3.3V 10 MIPS
DC40a 2 4 mA	+25°C
DC40b 2 4 mA	+85°C
DC40c 2 4 mA	+125°C
DC42d 3 6 mA	-40°C				3.3V 20 MIPS
DC42a 3 6 mA	+25°C
DC42b 3 6 mA	+85°C
DC42c 3 6 mA	+125°C
DC44d 6	12	mA -40°C			3.3V 40 MIPS
DC44a 6	12	mA	+25°C
DC44b	6	12	mA	+85°C
DC44c	6	12	mA	+125°C
DC45d 8	15	mA -40°C			3.3V 60 MIPS
DC45a 8	15	mA	+25°C
DC45b	8	15	mA	+85°C
DC45c	8	15	mA	+125°C
DC46d	10	20	mA -40°C		3.3V	70 MIPS
DC46a	10	20	mA	+25°C
DC46b	10	20	mA	+85°C

Note 1: Base Idle current (IDLE) is measured as follows:
- CPU core is off, oscillator is configured in EC mode and external clock is active; OSC1 is driven with external square wave from rail-to-rail (EC clock overshoot/undershoot < 250 mV required)
- CLKO is configured as an I/O input pin in the Configuration Word
- All I/O pins are configured as inputs and pulled to Vss
- = V_DD , WDT and FSCM are disabled
- No peripheral modules are operating or being clocked (all defined PMDx bits are set)
- The NVMSIDL bit (NVMCON<12>) = 1 (i.e., Flash regulator is set to standby while the device is in Idle mode)
- The VREGSF bit (RCON<11>) = 0 (i.e., Flash regulator is set to standby while the device is in Sleep mode)
- JTAG is disabled

TABLE 26-8: DC CHARACTERISTICS: POWER-DOWN CURRENT (I PD)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Parameter No.	Typ. Max.	Units Conditions
Power-Down Current (PD)(1)
DC60d 12 100	μA -40°C				3.3V
DC60a 18 100	μA	+	2	5°
DC60b	130	400	μA	+85°C
DC60c	500	1100	μA	+125°C

Note 1: IPD (Sleep) current is measured as follows:

- CPU core is off, oscillator is configured in EC mode and external clock is active; OSC1 is driven with external square wave from rail-to-rail (EC clock overshoot/undershoot < 250 mV required)

- CLKO is configured as an I/O input pin in the Configuration Word

- All I/O pins are configured as inputs and pulled to Vss

- = V_DD , WDT and FSCM are disabled

- All peripheral modules are disabled (PMDx bits are all set)

- The VREGS bit (RCON<8>) = 0 (i.e., core regulator is set to standby while the device is in Sleep mode)

- The VREGSF bit (RCON<11>) = 0 (i.e., Flash regulator is set to standby while the device is in Sleep mode)

- JTAG is disabled

TABLE 26-9: DC CHARACTERISTICS: WATCHDOG TIMER DELTA CURRENT ( I_WDT ) ^(1)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Parameter No.	Typ.	Max.	Units	Conditions
DC61d	13	50	μA	-40°C	3.3V
DC61a	19	80	μA	+25°C
DC61b	12	—	μA	+85°C
DC61c	13	—	μA	+125°C

Note 1: The IWDT current is the additional current consumed when the module is enabled. This current should be added to the base IPD current. All parameters are characterized but not tested during manufacturing.

TABLE 26-10: DC CHARACTERISTICS: DOZE CURRENT (I DOZE)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Parameter No.	Typ. Max.		Doze Ratio	Units	Conditions
Doze Current (IDOZE)(1)
DC73a(2)	20 40 1:2	mA			-40°C 3.3V F		osc = 140 MHz
DC73g	9	20	1:128	mA
DC70a(2)	20 40 1:2	mA			+25°C	3.3V F	osc = 140 MHz
DC70g	9	20	1:128	mA
DC71a(2)	20 40 1:2	mA			+85°C	3.3V F	osc = 140 MHz
DC71g	9	20	1:128	mA
DC72a(2)	20 40 1:2	mA			+125°C	3.3V F	osc = 120 MHz
DC72g	9	20	1:128	mA

Note 1: I DOZE is primarily a function of the operating voltage and frequency. Other factors, such as I/O pin loading and switching rate, oscillator type, internal code execution pattern and temperature, also have an impact on the current consumption. The test conditions for all I DOZE measurements are as follows:
- Oscillator is configured in EC mode and external clock is active, OSC1 is driven with external square wave from rail-to-rail (EC clock overshoot/undershoot < 250 mV required)
- CLKO is configured as an I/O input pin in the Configuration Word
- All I/O pins are configured as inputs and pulled to Vss
• MCLR = VDD, WDT and FSCM are disabled
• CPU, SRAM, program memory and data memory are operational
- No peripheral modules are operating or being clocked (all defined PMDx bits are set)
• CPU is executing while(1) statement
- JTAG is disabled
2: These parameter are characterized but not tested in manufacturing.

TABLE 26-11: DC CHARACTERISTICS: I/O PIN INPUT SPECIFICATIONS

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ.		(1)	Max. Units Conditions
DI10 Any I/O Pin and MCLR V		Input Low Voltage
		SDAx, SCLx V	ss	—	0 DD	Y	V
DI18 I/O Pins with SDAx, SCLx V		SDAx, SCLx V	ss	—	0.3 VDD	V	SMBus disabled
DI19 I/O Pins with SDAx, SCLx V		SDAx, SCLx V	ss	—	0.8	V	SMBus enabled
DI20 I/O Pins Not	VIH	Input High Voltage
		5V Tolerant (4)	0.8 VDD	—	VDD	V
		I/O Pins 5V Tolerant and ^(4)	0.8 VDD	—	5.5	V
		5V Tolerant I/O Pins with SDAx, SCLx(4)	0.8 VDD	—	5.5	V	SMBus disabled
		5V Tolerant I/O Pins with SDAx, SCLx(4)	2.1	—	5.5	V	SMBus enabled
		I/O Pins with SDAx, SCLx Not 5V Tolerant(4)	0.8 VDD	—	VDD	V	SMBus disabled
		I/O Pins with SDAx, SCLx Not 5V Tolerant(4)	2.1	—	VDD	V	SMBus enabled
DI30	ICNPU	Input Change Notification Pull-up Current	150	340	550	μA	VDD = 3.3V, VPIN = VSS
DI31	ICNPD	Input Change Notification Pull-Down Current (5)	20	60	100	μA	VDD = 3.3V, VPIN = VDD

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
2: The leakage current on the MCLR pin is strongly dependent on the applied voltage level. The specified levels represent normal operating conditions. Higher leakage current can be measured at different input voltages.
3: Negative current is defined as current sourced by the pin.
4: See the "Pin Diagrams" section for the 5V tolerant I/O pins.
5: VIL Source < (Vss - 0.3). Characterized but not tested.
6: VIH Source > (VDD + 0.3) for pins that are not 5V tolerant only.
7: Digital 5V tolerant pins do not have internal high-side diodes to VDD and cannot tolerate any "positive" input injection current.
8: Injection Currents > | 0 | can affect the ADC results by approximately 4-6 counts.
9: Any number and/or combination of I/O pins not excluded under ICL or IICH conditions are permitted provided the mathematical "absolute instantaneous" sum of the input injection currents from all pins do not exceed the specified limit. Characterized but not tested.

TABLE 26-11: DC CHARACTERISTICS: I/O PIN INPUT SPECIFICATIONS (CONTINUED)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Param No.	Symbol	Characteristic	Min.	Typ.^(1)	Max.	Units	Conditions
	IIL	Input Leakage Current^(2,3)
DI50 I/O	Pins 5V	Tolerant (4)	-1 —	+1 μAV			SS ≤ VPIN ≤ VDD,pin at high-impedance
DI51 I/O	Pins Not	5V Tolerant (4)	-1 —	+1 μAV			SS ≤ VPIN ≤ VDD,pin at high-impedance,-40°C ≤ TA ≤ +85°C
DI51a I/O	Pins Not	5V Tolerant (4)	-1 —	+1 μA Analog pins shared with
DI51b I/O	Pins Not	5V Tolerant (4)	-1 —	+1 μAV			external reference pins,-40°C ≤ AT≤ +85°C
DI51c I/O	Pins Not	5V Tolerant (4)	-1 —	+1 μA Analog pins shared with			SS ≤ VPIN ≤ VDD,pin at high-impedance,-40°C ≤ AT≤ +125°C
DI55 MCLR		——	-5 —	+5 μAV			external reference pins,-40°C ≤ AT≤ +125°C
DI56 OSC1	-5 —	+5 μAV					SS ≤ VPIN ≤ VDD,SS ≤ VPIN ≤ VDD,XT and HS modes

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
2: The leakage current on the pin is strongly dependent on the applied voltage level. The specified levels represent normal operating conditions. Higher leakage current can be measured at different input voltages.
3: Negative current is defined as current sourced by the pin.
4: See the "Pin Diagrams" section for the 5V tolerant I/O pins.
5: VIL Source < (Vss - 0.3). Characterized but not tested.
6: VIH Source > (VDD + 0.3) for pins that are not 5V tolerant only.
7: Digital 5V tolerant pins do not have internal high-side diodes to VDD and cannot tolerate any "positive" input injection current.
8: Injection Currents > | 0 | can affect the ADC results by approximately 4-6 counts.
9: Any number and/or combination of I/O pins not excluded under ICL or IICH conditions are permitted provided the mathematical "absolute instantaneous" sum of the input injection currents from all pins do not exceed the specified limit. Characterized but not tested.

TABLE 26-11: DC CHARACTERISTICS: I/O PIN INPUT SPECIFICATIONS (CONTINUED)

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ.		(1)	Max.	Units	Conditions
DI60a 0	IICL— -5	Input Low Injection Current			(5,8)	mA All pins except V_DD, Vss, AVDD, AVss, MCLR, VCAP and RB7
DI60b 0	IICH— +5	Input High Injection Current			(6,7,8)	mA All pins except V_DD, Vss, AVDD, AVss, MCLR, VCAP, RB7 and all 5V tolerant pins(7)
DI60c	ΣIICT	Total Input Injection Current (sum of all I/O and control pins)	-20(9)	—	+20(9)	mA A	absolute instantaneous sum of all ± input injection currents from all I/O pins(| IICL | + | IICH |) ≤ ΣICT

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
2: The leakage current on the pin is strongly dependent on the applied voltage level. The specified levels represent normal operating conditions. Higher leakage current can be measured at different input voltages.
3: Negative current is defined as current sourced by the pin.
4: See the "Pin Diagrams" section for the 5V tolerant I/O pins.
5: VIL Source < (Vss - 0.3). Characterized but not tested.
6: VIH Source > (VDD + 0.3) for pins that are not 5V tolerant only.
7: Digital 5V tolerant pins do not have internal high-side diodes to VDD and cannot tolerate any "positive" input injection current.
8: Injection Currents > | 0 | can affect the ADC results by approximately 4-6 counts.
9: Any number and/or combination of I/O pins not excluded under ICL or IICH conditions are permitted provided the mathematical "absolute instantaneous" sum of the input injection currents from all pins do not exceed the specified limit. Characterized but not tested.

TABLE 26-12: DC CHARACTERISTICS: I/O PIN OUTPUT SPECIFICATIONS

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param.	Symbol C	Characteristic Min. Typ. Max.	Units	Conditions
DO10 V	OL	Output Low Voltage4x Sink Driver Pins(2)	—	—	0.4	V	V_DD = 3.3V, IOL ≤ 6 mA, -40°C ≤ TA ≤ +85°C, IOL ≤ 5 mA, +85°C < TA ≤ +125°C
		Output Low Voltage8x Sink Driver Pins(3)	—	—	0.4	V	V_DD = 3.3V, IOL ≤ 12 mA, -40°C ≤ TA ≤ +85°C, IOL ≤ 8 mA, +85°C < TA ≤ +125°C
DO20 V	OH	Output High Voltage4x Source Driver Pins(2)	2.4	—	—	V	I_OH ≥ -10 mA, V_DD = 3.3V
		Output High Voltage8x Source Driver Pins(3)	2.4	—	—	V	I_OH ≥ -15 mA, V_DD = 3.3V
DO20A	V_OH1	Output High Voltage4x Source Driver Pins(2)	1.5(1)	—	—	V	I_OH ≥ -14 mA, V_DD = 3.3V
			2.0(1)	—	—		I_OH ≥ -12 mA, V_DD = 3.3V
			3.0(1)	—	—		I_OH ≥ -7 mA, V_DD = 3.3V
		Output High Voltage8x Source Driver Pins(3)	1.5(1)	—	—	V	I_OH ≥ -22 mA, V_DD = 3.3V
			2.0(1)	—	—		I_OH ≥ -18 mA, V_DD = 3.3V
			3.0(1)	—	—		I_OH ≥ -10 mA, V_DD = 3.3V

Note 1: Parameters are characterized but not tested.
2: Includes RA0-RA2, RB0-RB1, RB9-RB10, RC1-RC2, RC9-RC10, RC12 and RD7 pins.
3: Includes all I/O pins that are not 4x driver pins (see Note 2).

TABLE 26-13: ELECTRICAL CHARACTERISTICS: BOR

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)(1)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic	Min.(2)	Typ.	Max.	Units	Conditions
BO10	VBOR	BOR Event on VDD Transition High-to-Low	2.65	—	2.95	V	VDD(Notes 2 and 3)

Note 1: Device is functional at VBORMIN < VDD < VDDMIN, but will have degraded performance. Device functionality is tested, but not characterized. Analog modules (ADC, PGAs and comparators) may have degraded performance.
2: Parameters are for design guidance only and are not tested in manufacturing.
3: The VBOR specification is relative to VDD.

TABLE 26-14: DC CHARACTERISTICS: PROGRAM MEMORY

DC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ.		(1)	Max.	Units	Conditions
		Program Flash Memory
D130 E	P	Cell Endurance	10,000	—	—	E/W	-40°C to +125°C
D131 V	PR	V_DD for Read	3.0	—	3.6	V
D132b V	PEW	VDD for Self-Timed Write	3.0	—	3.6	V
D134 T	RETD	Characteristic Retention	20	—	—	Year	Provided no other specifications are violated, -40°C to +125°C
D135 I	DDP	Supply Current during Programming(2)	—	10	—	mA
D136 I	PEAK	Instantaneous Peak Current During Start-up	—	—	150	mA
D137a T	PE	Page Erase Time	19.7	—	20.1	ms	TPE= 146893 FRC cycles, T_A = +85°C (Note 3)
D137b T	PE	Page Erase Time	19.5	—	20.3	ms	TPE= 146893 FRC cycles, T_A = +125°C (Note 3)
D138a T	WW	Word Write Cycle Time	46.5	—	47.3	μs	TWW= 346 FRC cycles, T_A = +85°C (Note 3)
D138b T	WW	Word Write Cycle Time	46.0	—	47.9	μs	TWW= 346 FRC cycles, T_A = +125°C (Note 3)
D139a T	RW	Row Write Time	667	—	679	μs	TRW= 4965 FRC cycles, T_A = +85°C (Note 3)
D139b T	RW	Row Write Time	660	—	687	μs	TRW= 4965 FRC cycles, T_A = +125°C (Note 3)

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
2: Parameter characterized but not tested in manufacturing.
3: Other conditions: FRC = 7.37 MHz, TUN<5:0> = 011111 (for Minimum), TUN<5:0> = 100000 (for Maximum). This parameter depends on the FRC accuracy (see Table 26-20) and the value of the FRC Oscillator Tuning register (see Register 8-4). For complete details on calculating the Minimum and Maximum time, see Section 5.3 "Programming Operations".

26.2 AC Characteristics and Timing Parameters

This section defines the dsPIC33EPXXGS50X family AC characteristics and timing parameters.

TABLE 26-15: TEMPERATURE AND VOLTAGE SPECIFICATIONS – AC

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for ExtendedOperating voltage VDD range as described in Section 26.1 “DC Characteristics”.

FIGURE 26-1: LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS

Load Condition 1 – for all pins except OSC2

Pin VDD/2 RL CL Vss

Load Condition 2 – for OSC2

$$ R _ {L} = 4 6 4 \Omega $$

$$ \begin{array}{r l} \mathrm {C_ {L}} = & 5 0 \mathrm{pF} \text { for all pins except OSC2 } \ & 1 5 \mathrm{pF} \text { for OSC2 output } \end{array} $$

TABLE 26-16: CAPACITIVE LOADING REQUIREMENTS ON OUTPUT PINS

Param No.	Symbol	Characteristic Min. Typ. Max.	Units Conditions
DO50	Cosco	OSC2 Pin	—	—	15	pF In XT and HS modes, when external clock is used to drive OSC1
DO56	Cio	All I/O Pins and OSC2	—	—	50	pF EC mode
DO58	Cb	SCLx, SDAx	—	—	400	pF In I^2C mode

FIGURE 26-2: EXTERNAL CLOCK TIMING

OSC1 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 OS20 OS30 OS30 OS31 OS31 OS25 CLKO OS41 OS40

TABLE 26-17: EXTERNAL CLOCK TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symb	Characteristic Min. Typ.		(1)	Max.	Units	Conditions
OS10 F	IN	External CLKI Frequency(External clocks allowed onlyin EC and ECPPL modes)	DC	—	60	MHz	EC
		Oscillator Crystal Frequency	3.510	——	1040	MHzMHz	XTHS
OS20 T	osc	Tosc = 1/Fosc	8.33	—	DC	ns	+125°C
		Tosc = 1/Fosc	7.14	—	DC	ns	+85°C
OS25 T	CY	Instruction Cycle Time(2)	16.67	—	DC	ns	+125°C
		Instruction Cycle Time(2)	14.28	—	DC	ns	+85°C
OS30 TosL,TosH		External Clock in (OSC1)High or Low Time	0.45 x Tosc	—	0.55 x Tosc	ns	EC
OS31 TosR,TosF		External Clock in (OSC1)Rise or Fall Time	— —	20	ns	EC
OS40 TckR	CLK	KO Rise Time (3,4)	—	5.2	—	ns
OS41 TckF	CLK	KO Fall Time (3,4)	—	5.2	—	ns
OS42 G	M	External OscillatorTransconductance(4)	——	12	—	mA/V	HS, VDD=3.3V,TA=+25°C
				6	—	mA/V	XT, VDD=3.3V,TA=+25°C

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
2: Instruction cycle period (TCY) equals two times the input oscillator time base period. All specified values are based on characterization data for that particular oscillator type, under standard operating conditions, with the device executing code. Exceeding these specified limits may result in an unstable oscillator operation and/or higher than expected current consumption. All devices are tested to operate at "Minimum" values with an external clock applied to the OSC1 pin. When an external clock input is used, the "Maximum" cycle time limit is "DC" (no clock) for all devices.
3: Measurements are taken in EC mode. The CLKO signal is measured on the OSC2 pin.
4: This parameter is characterized but not tested in manufacturing.

TABLE 26-18: PLL CLOCK TIMING SPECIFICATIONS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ.		(1)	Max. Units Conditions
OS50 F	PLLI	PLL Voltage Controlled Oscillator (VCO) Input Frequency Range	0.8 —	8.0 MHz	ECPLL,	XTPLL	modes
OS51 F	VCO	On-Chip VCO System Frequency	120	—	340	MHz
OS52 T	LOCK	PLL Start-up Time (Lock Time)	0.9	1.5	3.1	ms
OS53 D	CLK	CLKO Stability (Jitter)(2)	-3 0.5	3	%

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only and are not tested.
2: This jitter specification is based on clock cycle-by-clock cycle measurements. To get the effective jitter for individual time bases, or communication clocks used by the application, use the following formula:

$$ E f f e c t i v e J i t t e r = \frac {D _ {C L K}}{\sqrt {\frac {F o s c}{\text { Time Base or Communication Clock }}}} \tag {1} $$

For example, if F osc = 120 MHz and the SPIx bit rate = 10 MHz, the effective jitter is as follows:

$$ E f f e c t i v e J i t t e r = \frac {D _ {C L K}}{\sqrt {\frac {1 2 0}{1 0}}} = \frac {D _ {C L K}}{\sqrt {1 2}} = \frac {D _ {C L K}}{3 . 4 6 4} $$

TABLE 26-19: AUXILIARY PLL CLOCK TIMING SPECIFICATIONS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic		Min	Typ^(1)	Max	Units	Conditions
OS56 F	HPOUT	On-Chip 16x PLL CCO Frequency		112	118	120	MHz
OS57 F	HPIN	On-Chip 16x PLL Phase Detector Input Frequency		7.0	7.37	7.5 MHz
OS58 T	SU	Frequency Generator Lock Time		—	—	10	μs

Note 1: Data in "Typ" column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only and are not tested in manufacturing.

TABLE 26-20: INTERNAL FRC ACCURACY

AC CHARACTERISTICS		Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Characteristic Min.	Typ. Max.	Units Conditions
Internal FRC Accuracy @ FRC Frequency = 7.37 MHz (1)
F20a	FRC	-2	0.5	+2	%	-40°C ≤ TA ≤ -10°C V	DD = 3.0-3.6V
		-0.9	0.5	+0.9	%	-10°C ≤ TA ≤ +85°C	VDD = 3.0-3.6V
F20b	FRC	-2	1	+2	%	+85°C ≤ TA ≤ +125°C	VDD = 3.0-3.6V

Note 1: Frequency is calibrated at +25°C and 3.3V. TUNx bits can be used to compensate for temperature drift.

TABLE 26-21: INTERNAL LPRC ACCURACY

AC CHARACTERISTICS		Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Characteristic	Min.	Typ.	Max.	Units	Conditions
LPRC @ 32.768 kHz(1)
F21a	LPRC	-30	—	+30	%	-40°C ≤ TA ≤ -10°C	VD = 3.0-3.6V
		-20	—	+20	%	-10°C ≤ TA ≤ +85°C	VD = 3.0-3.6V
F21b	LPRC	-30	—	+30	%	+85°C ≤ TA ≤ +125°C	VDD = 3.0-3.6V

Note 1: This is the change of the LPRC frequency as VDD changes.

FIGURE 26-3: I/O TIMING CHARACTERISTICS

I/O Pin (Input) DI35 DI40 I/O Pin (Output) Old Value New Value DO31 DO32 Note: Refer to Figure 26-1 for load conditions.

TABLE 26-22: I/O TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ AT≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ.		(1)	Max. Units Conditions
DO31	T_IOR	Port Output Rise Time	—	5	10	ns
DO32	T_IOF Port Output Fall Time	—	5	10	ns
DI35	T_INP	INTx Pin High or Low Time (input)	20	—	—	ns
DI40	T_RBP	CNx High or Low Time (input)	2	—	—	T_CY

Note 1: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.

FIGURE 26-4: BOR AND MASTER CLEAR RESET TIMING CHARACTERISTICS

graph TD
    A["MCLR"] --> B["TMCLR (SY20)"]
    B --> C["BOR"]
    C --> D["TBOR (SY30)"]
    D --> E["Various Delays (depending on configuration)"]
    E --> F["Reset Sequence"]
    F --> G["CPU Starts Fetching Code"]

TABLE 26-23: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. (2)		Max.	Units	Conditions
SY00 T	PU	Power-up Period — 400 600 μs
SY10 T	OST	Oscillator Start-up Time	—	1024 Tosc	—	—	Tosc = OSC1 period
SY12 T	WDT	Watchdog Timer Time-out Period	0.81	—	1.22	ms	WDTPRE = 0,WDTPOST<3:0> = 0000,using LPRC tolerances indicated in F21 (see Table 26-21) at +85°C
			3.25	—	4.88	ms	WDTPRE = 1,WDTPOST<3:0> = 0000,using LPRC tolerances indicated in F21 (see Table 26-21) at +85°C
SY13 T	IOZ	I/O High-Impedance from MCLR Low or Watchdog Timer Reset	0.68	0.72	1.2	μs
SY20 T	MCLR	MCLR Pulse Width (low)	2	—	—	μs
SY30 T	BOR	BOR Pulse Width (low)	1	—	—	μs
SY35 T	FSCM	Fail-Safe Clock Monitor Delay	— 500	900 μs	-40°C to +85°C
SY36 T	VREG	Voltage Regulator Standby-to-Active mode Transition Time	—	—	30	μs
SY37 T	OSCDFRC	FRC Oscillator Start-up Delay	—	48	—	μs
SY38 T	OSCDLPRC	LPRC Oscillator Start-up Delay	—	—	70	μs

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.

FIGURE 26-5: TIMER1-TIMER5 EXTERNAL CLOCK TIMING CHARACTERISTICS

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-24: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS (1)

AC CHARACTERISTICS				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ T A ≤ +85°C for Industrial-40°C ≤ A ≤ +125°C for Extended
Param No.	Symbol	Characteristic (2)		Min. Typ.	Max. Units Conditions
TA10	T TXH	T1CK High Time	Synchronous mode	Greater of:20 or(TCY + 20)/N	—	—	ns	Must also meet Parameter TA15, N = Prescale Value(1, 8, 64, 256)
			Asynchronous	35	—	—	ns
TA11	T TXL	T1CK Low Time	Synchronous mode	Greater of:20 or(TCY + 20)/N	—	—	ns	Must also meet Parameter TA15, N = Prescale Value(1, 8, 64, 256)
			Asynchronous	10	—	—	ns
TA15	T TXP	T1CK Input Period	Synchronous mode	Greater of:40 or(2 TCY + 40)/N	—	—	ns	N = Prescale Value(1, 8, 64, 256)
OS60	Ft1	T1CK Oscillator Input Frequency Range (oscillator enabled by setting bit, TCS(T1CON<1>))		DC	—	50	kHz
TA20	T CKEXTMRL	Delay from External T1CK Clock Edge to Timer Increment		0.75 TCY + 40	—	1.75 T CY + 40	ns

Note 1: Timer1 is a Type A timer.
2: These parameters are characterized but not tested in manufacturing.

TABLE 26-25: TIMER2 AND TIMER4 (TYPE B TIMER) EXTERNAL CLOCK TIMING REQUIREMENTS

AC CHARACTERISTICS				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)		Min. Typ.	Max. Units Conditions
TB10 T	xH TxCK High	Time	Synchronous mode	Greater of:20 or(TCY+20)/N	— —	ns Must also meet		Parameter TB15,N = Prescale Value(1, 8, 64, 256)
TB11 T	xL TxCK Low	Time	Synchronous mode	Greater of:20 or(TCY+20)/N	— —	ns Must also meet		Parameter TB15,N = Prescale Value(1, 8, 64, 256)
TB15 T	xP TxCK Input Period	Input Period	Synchronous mode	Greater of:40 or(2 TCY+40)/N	— —	ns N = Prescale Value		(1, 8, 64, 256)
TB20 T	CKEXTMRL	Delay from External TxCK Clock Edge to Timer Increment		0.75 TCY+40	—	1.75 TCY+40	ns

Note 1: These parameters are characterized but not tested in manufacturing.

TABLE 26-26: TIMER3 AND TIMER5 (TYPE C TIMER) EXTERNAL CLOCK TIMING REQUIREMENTS

AC CHARACTERISTICS				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40^ ≤ TA ≤ +85^ for Industrial -40^ ≤ AT ≤ +125^ for Extended
Param No.	Symbol	Characteristic(1)		Min.	Typ.	Max.	Units	Conditions
TC10	TtxH	TxCK High Time	Synchronous	T_CY + 20 —	—	ns Must also meet		Parameter TC15
TC11	TtxL TxCK	Low Time	Synchronous	T_CY + 20 —	—	ns Must also meet		Parameter TC15
TC15	TtxP TxCK	Input Period	Synchronous with Prescaler	2 T_CY + 40	—	—	ns	N = Prescale Value (1, 8, 64, 256)
TC20	TCKEXTMRL	Delay from External TxCK Clock Edge to Timer Increment		0.75 T_CY + 40	—	1.75 T_CY + 40	ns

Note 1: These parameters are characterized but not tested in manufacturing.

FIGURE 26-6: INPUT CAPTURE x (ICx) TIMING CHARACTERISTICS

ICx IC10 +C14 IC15

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-27: INPUT CAPTURE x MODULE TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param.No.	Symbol	Characteristics (1)	Min. Max.	Units Conditions
IC10 T	ccL ICx	Input Low Time Greater of:12.5 + 25 or(0.5 Tcy/N) + 25	—	ns	Must also meetParameter IC15		N = Prescale Value(1, 4, 16)
IC11	TccH	ICx Input High Time	Greater of:12.5 + 25 or(0.5 Tcy/N) + 25	—	ns	Must also meetParameter IC15
IC15 T	ccP	ICx Input Period	Greater of:25 + 50 or(1 Tcy/N) + 50	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.

FIGURE 26-7: OUTPUT COMPARE x MODULE (OCx) TIMING CHARACTERISTICS

OCx (Output Compare or PWM Mode) OC11-OC10←

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-28: OUTPUT COMPARE x MODULE TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. Max.	Units Conditions
OC10	TccF	OCx Output Fall Time	—	—	—	ns	See Parameter DO32
OC11	TccR	OCx Output Rise Time	—	—	—	ns	See Parameter DO31

Note 1: These parameters are characterized but not tested in manufacturing.

FIGURE 26-8: OCx/PWMx MODULE TIMING CHARACTERISTICS

OC20 OCFA OC15 OCx

TABLE 26-29: OCx/PWMx MODULE TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic^(1)	Min.	Typ.	Max.	Units	Conditions
OC15	T_FD	Fault Input to PWMx I/O Change	—	—	T_CY + 20	ns
OC20	T_FLT	Fault Input Pulse Width	T_CY + 20	—	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.

FIGURE 26-9: HIGH-SPEED PWMx MODULE FAULT TIMING CHARACTERISTICS

MP30 Fault Input (active-low) MP20 PWMx

FIGURE 26-10: HIGH-SPEED PWMx MODULE TIMING CHARACTERISTICS

MP11 MP10 PWMx Note: Refer to Figure 26-1 for load conditions.

TABLE 26-30: HIGH-SPEED PWMx MODULE TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. Max.	Units Conditions
MP10 T	FPWM	PWMx Output Fall Time	—	—	—	ns	See Parameter DO32
MP11	TRPWM	PWMx Output Rise Time	—	—	—	ns	See Parameter DO31
MP20 T	FD	Fault Input ↓ to PWMx I/O Change	—	—	15	ns
MP30 T	FH	Fault Input Pulse Width	15 —	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.

TABLE 26-31: SPIx MAXIMUM DATA/CLOCK RATE SUMMARY

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Maximum Data Rate	Master Transmit Only (Half-Duplex)	Master Transmit/Receive (Full-Duplex)	Slave Transmit/Receive (Full-Duplex)	CKE CKP	SMP
15 MHz	Table 26-31	—	—	0,1	0,1	0,1
9 MHz	—	Table 26-32	—	1	0,1	1
9 MHz	—	Table 26-33	—	0	0,1	1
15 MHz	—	—	Table 26-34	1	0	0
11 MHz	—	—	Table 26-35	1	1	0
15 MHz	—	—	Table 26-36	0	1	0
11 MHz	—	—	Table 26-37	0	0	0

FIGURE 26-11: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY, CKE = 0) TIMING CHARACTERISTICS

SCKx (CKP = 0) SP10 SP21 SP20 SCKx (CKP = 1) SP35 SP20 SP21 SDOx MSb Bit 14 LSb SP30, SP31 SP30, SP31 Note: Refer to Figure 26-1 for load conditions.

FIGURE 26-12: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY, CKE = 1) TIMING CHARACTERISTICS

SCKx (CKP = 0) SP36 SP10 SP21 SP20 SCKx (CKP = 1) SP35 SP20 SP21 SDOx MSb Bit 14 LSb SP30, SP31

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-32: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. (2)		Max. Units Conditions
SP10 FscP Maximum		SCKx Frequency — —	15 MHz				(Note 3)
SP20	TscF	SCKx Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP21	TscR	SCKx Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35 TscH2doV,TscL2doV		SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36 TdiV2scH,TdiV2scL		SDOx Data Output Setup to First SCKx Edge	30	—	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 66.7 ns. Therefore, the clock generated in Master mode must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-13: SPIx MASTER MODE (FULL-DUPLEX, CKE = 1, CKP = x, SMP = 1) TIMING CHARACTERISTICS

graph TD
    A["SCKx (CKP = 0)"] --> B["SP36"]
    B --> C["SP10"]
    C --> D["SP21"]
    D --> E["SP20"]
    F["SCKx (CKP = 1)"] --> G["SP35"]
    G --> H["SP20"]
    H --> I["SP21"]
    J["SDOx"] --> K["MSb"]
    K --> L["Bit 14 - 1"]
    L --> M["LSb"]
    N["SDIx"] --> O["MSb In"]
    O --> P["Bit 14 - 1"]
    P --> Q["LSb In"]
    R["Note: Refer to Figure 26-1 for load conditions."]

TABLE 26-33: SPIx MASTER MODE (FULL-DUPLEX, CKE = 1, CKP = x, SMP = 1) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. (2)	Max. Units Conditions
SP10 F	TscP Maximum	SCKx Frequency — —	9 MHz				(Note 3)
SP20	TscF	SCKx Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP21	TscR	SCKx Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30 T	doF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31 T	doR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35 T	TscH2doV, TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6 20	ns
SP36 T	doV2sc, TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40 T	diV2scH, TdiV2scL	Setup Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP41 T	TscH2diL, TscL2diL	Hold Time of SDIx Data Input to SCKx Edge	30	—	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 111 ns. The clock generated in Master mode must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-14: SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = x, SMP = 1) TIMING CHARACTERISTICS

graph TD
    A["SCKx (CKP = 0)"] --> B["SP10"]
    B --> C["SP21"]
    C --> D["SP20"]
    E["SCKx (CKP = 1)"] --> F["SP35 SP36"]
    F --> G["SP20"]
    G --> H["SP21"]
    I["SDOx"] --> J["MSb"]
    J --> K["Bit 14 -1"]
    K --> L["LSb"]
    M["SDIx"] --> N["MSb In"]
    N --> O["Bit 14 -1"]
    O --> P["LSb In"]
    Q["Note: Refer to Figure 2.6 for ordered conditions."]

TABLE 26-34: SPIx MASTER MODE (FULL-DUPLEX, CKE = 0, CKP = x, SMP = 1) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Param No.	Symbol C	Characteristic (1)	Min. Typ. (2)		Max. Units Conditions
SP10	FscP	Maximum SCKx Frequency	—	—	9	MHz	-40°C to +125°C(Note 3)
SP20	TscF	SCKx Output Fall Time	—	—	—	ns	See Parameter DO32(Note 4)
SP21	TscR	SCKx Output Rise Time	—	—	—	ns	See Parameter DO31(Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32(Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31(Note 4)
SP35 Tsc	H2doV,TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36 Tdo	V2scH,TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40 Td	V2scH,TdiV2scL	Setup Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP41 Tsc	H2diL,TscL2diL	Hold Time of SDIx Data Input to SCKx Edge	30	—	—	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 111 ns. The clock generated in Master mode must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-15: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 1, CKP = 0, SMP = 0) TIMING CHARACTERISTICS

graph TD
    subgraph SSx
        A["SP60"] --> B["SCKx (CKP = 0)"]
        B --> C["SP50"]
        C --> D["SCKx (CKP = 1)"]
        D --> E["SP70"]
        E --> F["SCKx (CKP = 0)"]
        F --> G["SP52"]
        G --> H["SP72SP73"]
        H --> I["SP36"]
        I --> J["SCKx (CKP = 1)"]
        J --> K["SP35"]
        K --> L["SCKx (CKP = 1)"]
        L --> M["SP73SP72"]
    end
    subgraph SDOx
        N["MSb Bit 14"] --> O["1 LSb"]
        P["SP30, SP31"] --> Q["LSb In"]
        R["SP51"] --> S["LSb In"]
        T["SDlx"] --> U["MSb In"]
        V["SP40"] --> W["Bit 14"]
        X["SP41"] --> Y["Bit 14"]
    end
    style SSx fill:#f9f,stroke:#333
    style SCKx fill:#ccf,stroke:#333
    style SCKx fill:#cfc,stroke:#333
    style SDOx fill:#fcc,stroke:#333
    style SDlx fill:#cff,stroke:#333

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-35: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 1, CKP = 0, SMP = 0) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ A≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ.	(2)	Max. Units Conditions
SP70 FscP Maximum		SCKx Input Frequency	— — Lesser of:		FPor 15	MHz	(Note 3)
SP72	TscF	SCKx Input Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP73	TscR	SCKx Input Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35	TscH2doV, TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36	TdoV2scH, TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40 TdiV2scH, TdiV2scL		Setup Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP41 TscH2diL, TscL2diL		Hold Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP50	TssL2scH, TssL2scL	SSx ↓ to SCKx ↑ or SCKx ↓ Input	120	—	—	ns
SP51 TssH2doZ		SSx ↑ to SDOx Output High-Impedance	10	—	50	ns	(Note 4)
SP52	TscH2ssH, TscL2ssH	SSx ↑ after SCKx Edge 1.5 T	cy + 40	—	— ns		(Note 4)
SP60	TssL2doV	SDOx Data Output Valid After SSx Edge	— —	50	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 66.7 ns. Therefore, the SCKx clock generated by the master must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-16: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 1, CKP = 1, SMP = 0) TIMING CHARACTERISTICS

graph TD
    subgraph SSx
        A["SP60"] --> B["SP50"]
        B --> C["SP70"]
        C --> D["SP52"]
    end
    subgraph SCKx (CKP = 0)
        E["SP50"] --> F["SP70"]
        F --> G["SP52"]
        G --> H["SP72SP73"]
    end
    subgraph SCKx (CKP = 1)
        I["SP50"] --> J["SP70"]
        J --> K["SP52"]
        K --> L["SP72SP73"]
    end
    subgraph SDOx
        M["MSb Bit 14"] --> N["SP30, SP31"]
        O["1 LSb"] --> P["SP30, SP31"]
        Q["SP51"] --> R["SP51"]
    end
    subgraph SDlx
        S["MSb In"] --> T["SP40"]
        U["Bit 14"] --> V["SP41"]
        W["Sb In"] --> X["SP40"]
        Y["SP51"] --> Z["SP51"]
    end

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-36: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 1, CKP = 1, SMP = 0) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ. (2)		Max. Units Conditions
SP70 FscP Maximum		SCKx Input Frequency	— — Lesser of:		FP or 11	MHz	(Note 3)
SP72	TscF	SCKx Input Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP73	TscR	SCKx Input Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35	TscH2doV, TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36	TdoV2scH, TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40 TdiV2scH, TdiV2scL		Setup Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP41 TscH2diL, TscL2diL		Hold Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP50	TssL2scH, TssL2scL	to SCKx ↑ or SCKx ↓ Input	120	—	—	ns
SP51 TssH2doZ SSx		to SDOx Output High-Impedance	10	—	50	ns	(Note 4)
SP52	TscH2ssH, TscL2ssH	after SCKx Edge	1.5 TCY + 40	—	—	ns	(Note 4)
SP60	TssL2doV	SDOx Data Output Valid after Edge	— —	50	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 91 ns. Therefore, the SCKx clock generated by the master must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-17: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 0, CKP = 1, SMP = 0) TIMING CHARACTERISTICS

graph TD
    subgraph SSx
        A["SP50"] --> B["SCKx (CKP = 0)"]
        B --> C["SP70"]
        C --> D["SCKx (CKP = 1)"]
        D --> E["SP35 SP36"]
        E --> F["SDOx"]
        F --> G["MSb LSbBit14"]
        G --> H["SP30, SP31 SP51"]
        H --> I["SDlx"]
        I --> J["MSb In"]
        J --> K["Bit 14"]
        K --> L["SP40"]
        L --> M["SP41"]
        M --> N["SP52"]
        N --> O["SP72SP73"]
        O --> P["SP73SP72"]
    end

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-37: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 0, CKP = 1, SMP = 0) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ.	(2)	Max. Units Conditions
SP70 FscP Maximum		SCKx Input Frequency — —	15 MHz				(Note 3)
SP72	TscF	SCKx Input Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP73	TscR	SCKx Input Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35	TscH2doV, TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36	TdoV2scH, TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40	TdiV2scH, TdiV2scL	Setup Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP41	TscH2diL, TscL2diL	Hold Time of SDIx Data Input to SCKx Edge	30	—	—	ns
SP50	TssL2scH, TssL2scL	to SCKx ↑ or SCKx ↓ Input	120	—	—	ns
SP51	TssH2doZ	to SDOx Output High-Impedance	10	—	50	ns	(Note 4)
SP52	TscH2ssH, TscL2ssH	After SCKx Edge	1.5 TCY + 40	—	—	ns	(Note 4)

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 66.7 ns. Therefore, the SCKx clock generated by the master must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-18: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 0, CKP = 0, SMP = 0) TIMING CHARACTERISTICS

graph TD
    subgraph SSx
        A["SP50"] --> B["SCKx (CKP = 0)"]
        B --> C["SP70"]
        C --> D["SCKx (CKP = 1)"]
        D --> E["SP35 SP36"]
        E --> F["SDOx"]
        F --> G["MSb LSbBit14"]
        G --> H["SP30, SP31 SP51"]
        H --> I["SDIx"]
        I --> J["MSb In"]
        J --> K["Bit 14"]
        K --> L["SP40"]
        L --> M["SP41"]
        M --> N["SP52"]
        N --> O["SP72SP73"]
        O --> P["SP73SP72"]
    end

Note: Refer to Figure 26-1 for load conditions.

TABLE 26-38: SPIx SLAVE MODE (FULL-DUPLEX, CKE = 0, CKP = 0, SMP = 0) TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (1)	Min. Typ.	(2)	Max. Units Conditions
SP70 FscP Maximum		SCKx Input Frequency — —	11 MHz				(Note 3)
SP72	TscF	SCKx Input Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP73	TscR	SCKx Input Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP30	TdoF	SDOx Data Output Fall Time	—	—	—	ns	See Parameter DO32 (Note 4)
SP31	TdoR	SDOx Data Output Rise Time	—	—	—	ns	See Parameter DO31 (Note 4)
SP35	TscH2doV, TscL2doV	SDOx Data Output Valid After SCKx Edge	—	6	20	ns
SP36	TdoV2scH, TdoV2scL	SDOx Data Output Setup to First SCKx Edge	30	—	—	ns
SP40	TdiV2scH, TdiV2scL	Setup Time of SDlx Data Input to SCKx Edge	30	—	—	ns
SP41	TscH2diL, TscL2diL	Hold Time of SDlx Data Input to SCKx Edge	30	—	—	ns
SP50	TssL2scH, TssL2scL	to SCKx ↑ or SCKx ↓ Input	120	—	—	ns
SP51	TssH2doZ	to SDOx Output High-Impedance	10	—	50	ns	(Note 4)
SP52	TscH2ssH, TscL2ssH	After SCKx Edge	1.5 TCY + 40	—	—	ns	(Note 4)

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated.
3: The minimum clock period for SCKx is 91 ns. Therefore, the SCKx clock generated by the master must not violate this specification.
4: Assumes 50 pF load on all SPIx pins.

FIGURE 26-19: I2Cx BUS START/STOP BITS TIMING CHARACTERISTICS (MASTER MODE)

SCLx IM30 IM31 SDAx Start Condition Stop Condition IM33 IM34 Note: Refer to Figure 26-1 for load conditions.

FIGURE 26-20: I2Cx BUS DATA TIMING CHARACTERISTICS (MASTER MODE)

SCLx IM20 IM11 IM10 IM21 IM11 IM10 IM26 IM25 IM33 SDAx In IM40 IM40 IM45 SDAx Out Note: Refer to Figure 26-1 for load conditions.

TABLE 26-39: I2Cx BUS DATA TIMING REQUIREMENTS (MASTER MODE)

AC CHARACTERISTICS				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ AT ≤ +125°C for Extended
Param No.	Symbol	Characteristic (4)		Min.(1)	Max. Units Conditions
IM10 T	LO:SCL	Clock Low Time	100 kHz mode T	cy/2 (BRG + 2) — μs
			400 kHz mode T	cy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM11 T	HI:SCL	Clock High Time	100 kHz mode T	cy/2 (BRG + 2) — μs
			400 kHz mode T	cy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM20 T	F:SCL	SDAx and SCLxFall Time	100 kHz mode	—	300	ns	CB is specified to be from 10 to 400 pF
			400 kHz mode	20 + 0.1 CB	300	ns
			1 MHz mode(2)	—	100	ns
IM21 T	R:SCL	SDAx and SCLx Rise Time	100 kHz mode	—	1000	ns	CB is specified to be from 10 to 400 pF
			400 kHz mode	20 + 0.1 CB	300	ns
			1 MHz mode(2)	—	300	ns
IM25 T	SU:DAT	Data Input Setup Time	100 kHz mode	250	— ns
			400 kHz mode	100	— ns
			1 MHz mode(2)	40	—	ns
IM26 T	HD:DAT	Data Input Hold Time	100 kHz mode	0	—	μs	μs
			400 kHz mode	0	0.9	μs
			1 MHz mode(2)	0.2	—	μs
IM30 T	SU:STA	Start Condition Setup Time	100 kHz mode T	cy/2 (BRG + 2)	—	μs	Only relevant for Repeated Start condition
			400 kHz mode T	cy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM31 T	HD:STA	Start Condition Hold Time	100 kHz mode T	cy/2 (BRG + 2)	—	μs	After this period, the first clock pulse is generated
			400 kHz mode	TCy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM33 T	SU:STO	Stop Condition Setup Time	100 kHz mode T	cy/2 (BRG + 2) — μs
			400 kHz mode T	cy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM34 T	HD:STO	Stop Condition Hold Time	100 kHz mode T	cy/2 (BRG + 2) — μs
			400 kHz mode T	cy/2 (BRG + 2) — μs
			1 MHz mode(2)	TCy/2 (BRG + 2) — μs
IM40 T	AA:SCL	Output Valid from Clock	100 kHz mode	—	3500 ns
			400 kHz mode	—	1000 ns
			1 MHz mode(2)	—	400	ns
IM45 T	BF:SDA	Bus Free Time	100 kHz mode	4.7	—	μs	Time the bus must be free before a new transmission can start
			400 kHz mode	1.3	—	μs
			1 MHz mode(2)	0.5	— μs
IM50 C	B	Bus Capacitive Loading		—	400	pF
IM51 T	PGD	Pulse Gobbler Delay		65	390	ns	(Note 3)

Note 1: BRG is the value of the I²C Baud Rate Generator.
2: Maximum Pin Capacitance = 10 pF for all I2Cx pins (for 1 MHz mode only).
3: Typical value for this parameter is 130 ns.
4: These parameters are characterized but not tested in manufacturing.

FIGURE 26-21: I2Cx BUS START/STOP BITS TIMING CHARACTERISTICS (SLAVE MODE)

SCLx IS30 IS31 IS34 SDAx Start Condition Stop Condition

FIGURE 26-22: I2Cx BUS DATA TIMING CHARACTERISTICS (SLAVE MODE)

SCLx IS20 IS11 IS10 IS21 IS30 IS31 IS26 IS25 IS33 SDAx In IS40 IS40 IS45 SDAx Out

TABLE 26-40: I2Cx BUS DATA TIMING REQUIREMENTS (SLAVE MODE)

AC CHARACTERISTICS				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic (3)		Min. Max.	Units	Conditions
IS10 T	LO:SCL	Clock Low Time	100 kHz mode	4.7	—	μs
			400 kHz mode 1	3 — μs
			1 MHz mode(1)	0.5	—	μs
IS11	THI:SCL	Clock High Time	100 kHz mode	4.0	—	μs	Device must operate at a minimum of 1.5 MHz
			400 kHz mode	0.6	—	μs	Device must operate at a minimum of 10 MHz
			1 MHz mode(1)	0.5	—	μs
IS20 T	F:SCL	SDAx and SCLx Fall Time	100 kHz mode	—	300	ns	CB is specified to be from 10 to 400 pF
			400 kHz mode	20 + 0.1 CB	300	ns
			1 MHz mode(1)	—	100	ns
IS21 T	R:SCL	SDAx and SCLx Rise Time	100 kHz mode	—	1000	ns	CB is specified to be from 10 to 400 pF
			400 kHz mode	20 + 0.1 CB	300	ns
			1 MHz mode(1)	—	300	ns
IS25 T	SU:DAT	Data Input Setup Time	100 kHz mode	250	—	ns
			400 kHz mode	100	—	ns
			1 MHz mode(1)	100	—	ns
IS26 T	HD:DAT	Data Input Hold Time	100 kHz mode	0	—	μs
			400 kHz mode	0	0.9	μs
			1 MHz mode(1)	0	0.3	μs
IS30 T	SU:STA	Start Condition Setup Time	100 kHz mode	4.7	—	μs	Only relevant for Repeated Start condition
			400 kHz mode 0	6 — μs
			1 MHz mode(1)	0.25	—	μs
IS31 T	HD:STA	Start Condition Hold Time	100 kHz mode	4.0	—	μs	After this period, the first clock pulse is generated
			400 kHz mode 0	6 — μs
			1 MHz mode(1)	0.25	—	μs
IS33 T	SU:STO	Stop Condition Setup Time	100 kHz mode	4	—	μs
			400 kHz mode 0	6 — μs
			1 MHz mode(1)	0.25	—	μs
IS34 T	HD:STO	Stop Condition Hold Time	100 kHz mode	4	—	μs
			400 kHz mode 0	6 — μs
			1 MHz mode(1)	0.25		μs
IS40 T	AA:SCL	Output Valid from Clock	100 kHz mode	0	3500	ns
			400 kHz mode	0	1000	ns
			1 MHz mode(1)	0	350	ns
IS45 T	BF:SDA	Bus Free Time	100 kHz mode	4.7	—	μs	Time the bus must be free before a new transmission can start
			400 kHz mode 1	3 — μs
			1 MHz mode(1)	0.5	—	μs
IS50 C	B	Bus Capacitive Loading		—	400	pF
IS51 T	PGD	Pulse Gobbler Delay		65	390	ns	(Note 2)

Note 1: Maximum Pin Capacitance = 10 pF for all I2Cx pins (for 1 MHz mode only).
2: Typical value for this parameter is 130 ns.
3: These parameters are characterized but not tested in manufacturing.

FIGURE 26-23: UARTx MODULE I/O TIMING CHARACTERISTICS

graph LR
    A["UxRX"] --> B["MSb In"]
    C["UxTX"] --> B
    B --> D["Bit 6-1"]
    D --> E["LSb In"]
    F["UA20"] --> B
    G["UA10"] --> B

TABLE 26-41: UARTx MODULE I/O TIMING REQUIREMENTS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +125°C
Param No.	Symbol C	Characteristic (1)	Min. Typ. (2)		Max. Units Conditions
UA10 T	UABAUD	UARTx Baud Time 66.67 — — ns
UA11	FBAUD	UARTx Baud Frequency	— —	15	Mbps
UA20 T	CWF	Start Bit Pulse Width to Trigger UARTx Wake-up	500	— —	ns

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only and are not tested.

TABLE 26-42: ANALOG CURRENT SPECIFICATIONS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +125°C
Param No.	Symbol	Characteristic^(1)	Min.	Typ.^(2)	Max.	Units	Conditions
AVD01	IDD	Analog Modules Current Consumption	—	9	—	mA Ch	characterized data with the following modules enabled:APLL, 5 ADC Cores, 2 PGAs and 4 Analog Comparators

Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in "Typ." column is at 3.3V, +25°C unless otherwise stated. Parameters are for design guidance only and are not tested.

TABLE 26-43: ADC MODULE SPECIFICATIONS

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)(5)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristics Min. Typical Max. Units Conditions
Device Supply
AD01 AV	DD	Module VDD Supply Greater of:VDD-0.3or 3.0		— Lesser of:VDD+0.3or 3.6		V The difference between AVDD supply and VDDsupply must not exceed±300 mV at all times,including during devicepower-up
AD02 AV	SS	Module Vss Supply V	SS	—	Vss + 0.3	V
Reference Inputs
AD06 V	REFL	Reference Voltage Low	—	AVss	—	V	(Note 1)
AD07 V	REF	Absolute ReferenceVoltage (VREFH-VREFL)	2.7	—	AVDD	V	(Note 3)
AD08 I	REF	Reference Input Current	—	5	10	μA	ADC operating or in standby
Analog Input
AD12 V	INH-VINL	Full-Scale Input Span	AVss	—	AVDD	V
AD14 V	IN	Absolute Input Voltage	AVss-0.3	— AV	DD + 0.3	V
AD17 R	IN	RecommendedImpedance of AnalogVoltage Source	—	100	—	Ω	For minimum samplingtime (Note 1)
AD66 V	BG	Internal VoltageReference Source	—	1.2	—	V
ADC Accuracy: Pseudo-Differential Input
AD20a	Nr Resolution		12 bits
AD21a	INL	Integral Nonlinearity	> -3	—	< 3	LSb	AVss = 0V, AVDD = 3.3V
AD22a	DNL	Differential Nonlinearity	> -1	—	< 1	LSb	AVss = 0V, AVDD = 3.3V(Note 2)
AD23a	G ERR	Gain Error(Dedicated Core)	> 5	13	< 20	LSb	AVss = 0V, AVDD = 3.3V
		Gain Error(Shared Core)	> -1	5	< 10	LSb
AD24a	E OFF	Offset Error(Dedicated Core)	> 2	7	< 12	LSb	AVss = 0V, AVDD = 3.3V
		Offset Error(Shared Core)	> -2	3 < 8	LSb
AD25a	—	Monotonicity	—	—	—	—	Guaranteed

Note 1: These parameters are not characterized or tested in manufacturing.
2: No missing codes, limits based on characterization results.
3: These parameters are characterized but not tested in manufacturing.
4: Characterized with a 1 kHz sine wave.
5: The ADC module is functional at VBORMIN < V_DD < V_DDMIN , but with degraded performance. Unless otherwise stated, module functionality is ensured, but not characterized.

TABLE 26-43: ADC MODULE SPECIFICATIONS (CONTINUED)

AC CHARACTERISTICS			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)(5)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristics	Min.	Typical	Max.	Units	Conditions
ADC Accuracy: Single-Ended Input
AD20b	Nr Resolution	12 bits
AD21b	INL Integral	Nonlinearity > -3 — < 3 L	Sb AV				ss = 0V, AVDD = 3.3V
AD22b	DNL Differential	tial Nonlinearity > -1 —	< 1.5 LSb AV				ss = 0V, AVDD = 3.3V(Note 2)
AD23b	G ERR	Gain Error(Dedicated Core)	>5 13	< 20	LSb AV		ss = 0V, AVDD = 3.3V
		Gain Error(Shared Core)	>-1	5	< 10	LSb
AD24b	E OFF	Offset Error(Dedicated Core)	>2 10	< 18	LSb AV		ss = 0V, AVDD = 3.3V
		Offset Error(Shared Core)	>2	8	< 15	LSb
AD25b	—	Monotonicity	—	—	—	—	Guaranteed
Dynamic Performance
AD31b	INAD	ignal-to-Noise and Distortion	63	—	>65 dB		(Notes 3, 4)
AD34b	ENOB	Effective Number of Bits	10.3	—	—	bits	(Notes 3, 4)

Note 1: These parameters are not characterized or tested in manufacturing.
2: No missing codes, limits based on characterization results.
3: These parameters are characterized but not tested in manufacturing.
4: Characterized with a 1 kHz sine wave.
5: The ADC module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is ensured, but not characterized.

TABLE 26-44: ANALOG-TO-DIGITAL CONVERSION TIMING REQUIREMENTS

AC CHARACTERISTICS ^(2)			Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristics Min. Typ.	(1)	Max.	Units	Conditions
Clock Parameters
AD50 T	AD	ADC Clock Period	14.28	—	—	ns
Throughput Rate
AD51 F	TP	SH0-SH3 — — 3.25	Mps	70 MHz ADC clock,			12 bits, no pendingconversion at time of trigger
		SH4	— —	3.25	Msps

Note 1: These parameters are characterized but not tested in manufacturing.
2: The ADC module is functional at VBORMIN < V_DD < V_DDMIN , but with degraded performance. Unless otherwise stated, module functionality is ensured, but not characterized.

TABLE 26-45: HIGH-SPEED ANALOG COMPARATOR MODULE SPECIFICATIONS

AC/DC CHARACTERISTICS(2)			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic	Min.	Typ.	Max.	Units	Comments
CM10	VIOFF	Input Offset Voltage	-35	±5	+35	mV
CM11	VICM	Input Common-Mode Voltage Range(1)	0	—	AVDD	V
CM13	CMRR	Common-Mode Rejection Ratio	60	—	—	dB
CM14	TRESP	Large Signal Response	—	15	—	ns	V+ input step of 100 mV while V- input is held at AVDD/2. Delay measured from analog input pin to PWMx output pin.
CM15	VHYST	Input Hysteresis	5	10	20	mV	Depends on HYSSEL<1:0>
CM16	TON	Comparator Enabled to Valid Output	—	—	1	μs

Note 1: These parameters are for design guidance only and are not tested in manufacturing.
2: The comparator module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is tested, but not characterized.

TABLE 26-46: DACx MODULE SPECIFICATIONS

AC/DC CHARACTERISTICS(2)			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ. Max.	Units	Comments
DA01 EXTREF External Voltage Reference (1)			0	—	AVDD	V
DA02 CV RES		Resolution	12			bits
DA03	INL	Integral Nonlinearity Error	-16	-12	0	LSB
DA04	DNL	Differential Nonlinearity Error	-1.8	±1	1.8	LSB
DA05	EOFF	Offset Error	-8	3	15	LSB
DA06	EG	Gain Error	-1.2	-0.5	0	%
DA07 T	SET	Settling Time(1)	—	700	—	ns	Output with 2% of desired output voltage with a 10-90% or 90-10% step

Note 1: Parameters are for design guidance only and are not tested in manufacturing.
2: The DACx module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is tested, but not characterized.

TABLE 26-47: DACx OUTPUT (DACOUTx PIN) SPECIFICATIONS

DC CHARACTERISTICS(1)			Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic	Min.	Typ.	Max.	Units	Comments
DA11	RLOAD	Resistive Output Load Impedance	10K	—	—	Ohm
DA11a	CLOAD	Output Load Capacitance	—	—	35	pF	Including output pin capacitance
DA12	IOUT	Output Current Drive Strength	—	300	—	μA	Sink and source
DA13	VRANGE	Output Drive Voltage Range at Current Drive of 300 μA	AVss + 250 mV	—	AVDD – 900 mV	V
DA14	VLRANGE	Output Drive Voltage Range at Reduced Current Drive of 50 μA	AVss + 50 mV	—	AVDD – 500 mV	V
DA15	IDD	Current Consumed when Module is Enabled	—	—	1.3 x IOUT	μA	Module will always consume this current, even if no load is connected to the output
DA30	VOFFSET	Input Offset Voltage	—	±5	—	mV

Note 1: The DACx module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is tested, but not characterized.

TABLE 26-48: PGAX MODULE SPECIFICATIONS

AC/DC CHARACTERISTICS(1)				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic Min. Typ. Max. Units Comments
PA01 V	IN	Input Voltage Range AV		ss - 0.3	—AV	DD + 0.3	V
PA02 V	CM	Common-Mode Input Voltage Range		AVss	—	AVDD - 1.6	V
PA03 V	OS	Input Offset Voltage		-10	—	10	mV
PA04 V	OS	Input Offset Voltage Drift with Temperature		—	±15	—	μV/°C
PA05 R	IN+	Input Impedance of Positive Input		—	>1M || 7 pF	—	Ω|| pF
PA06 R	IN- Input	Impedance of Negative Input		—	10K || 7 pF	—	Ω|| pF
PA07 G	ERR	Gain Error		-2	—	2	%	Gain = 4x, 8x
				-3	—	3	%	Gain = 16x
				-4	—	4	%	Gain = 32x, 64x
PA08 L	ERR	Gain Nonlinearity Error		—	—	0.5	%	% of full scale, Gain = 16x
PA09 I	DD	Current Consumption		—	2.0	—	mA	Module is enabled with a 2-volt P-P output voltage swing
PA10a	BW	Small Signal Bandwidth (-3 dB)	G = 4x	—	10	—	MHz
PA10b			G = 8x	—	5	—	MHz
PA10c			G = 16x	—	2.5	—	MHz
PA10d			G = 32x	—	1.25	—	MHz
PA10e			G = 64x	—	0.625	—	MHz
PA11	OST	Output Settling Time to 1% of Final Value		—	0.4	—	μs	Gain = 16x, 100 mV input step change
PA12	SR	Output Slew Rate		—	40	—	V/μs	Gain = 16x
PA13 T	GSEL	Gain Selection Time		—	1	—	μs
PA14 T	ON	Module Turn On/Setting Time		—	—	10	μs

Note 1: The PGAX module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is tested, but not characterized.

TABLE 26-49: CONSTANT-CURRENT SOURCE SPECIFICATIONS

DC CHARACTERISTICS(1)				Standard Operating Conditions: 3.0V to 3.6V(unless otherwise stated)Operating temperature -40°C ≤ TA ≤ +85°C for Industrial-40°C ≤ TA ≤ +125°C for Extended
Param No.	Symbol	Characteristic	Min.	Typ.	Max.	Units	Conditions
CC01	IDD	Current Consumption	—	30	— μA
CC02	IREG	Regulation of Current with Voltage On	—	±3	—	%
CC03	IOUT	Current Output at Terminal	—	10	—	μA

Note 1: The constant-current source module is functional at VBORMIN < VDD < VDDMIN, but with degraded performance. Unless otherwise stated, module functionality is tested, but not characterized.

NOTES:

27.0 DC AND AC DEVICE CHARACTERISTICS GRAPHS

Note: The graphs provided following this note are a statistical summary based on a limited number of samples and are provided for design guidance purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore, outside the warranted range.

FIGURE 27-1: V OH - 4x DRIVER PINS

FIGURE 27-3: V OL - 4x DRIVER PINS

FIGURE 27-2: V OH - 8x DRIVER PINS

FIGURE 27-4: V OL - 8x DRIVER PINS

FIGURE 27-5: TYPICAL I PD CURRENT @ VDD = 3.3V

FIGURE 27-6: TYPICAL I DD CURRENT @ VDD = 3.3V, +25°C

FIGURE 27-7: TYPICAL I DOZE CURRENT @ VDD = 3.3V, +25°C

FIGURE 27-8: TYPICAL I IDLE CURRENT @ VDD = 3.3V, +25°C

NOTES:

28.0 PACKAGING INFORMATION

28.1 Package Marking Information

28-Lead SOIC (.300")

XXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXX YYWWNNN

Example

dsPIC33EP64GS502 1710017

28-Lead UQFN (6x6x0.55 mm)

XXXXXXXX XXXXXXXX YYWWNNN

Example

33EP64GS 502 1710017

28-Lead QFN-S (6x6x0.9 mm)

XXXXXXXX XXXXXXXX YYWWNNN

Example

33EP64GS 502 1710017

Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week '01') NNN Alphanumeric traceability code

Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information.

28.1 Package Marking Information (Continued)

44-Lead TQFP (10x10x1 mm)

MICROCHIP XXXXXXXXX XXXXXXXXX XXXXXXXXX ○ YYWWNNN

Example

MICROCHIP dsPIC33EP 64GS504 1710017

44-Lead QFN (8x8 mm)

XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX YYWWNNN

Example

dsPIC33EP 64GS504 1710017

48-Lead TQFP (7x7x1.0 mm) Example

XXXXXXXX XXXXYYWW NNN

EP64GS 5051710 017

64-Lead TQFP (10x10x1 mm)

MICROCHIP XXXXXXXXX XXXXXXXXX XXXXXXXXX ○ YYWWNNN

Example

MICROCHIP dsPIC33EP 64GS506 1710017

28.2 Package Details

28-Lead Plastic Small Outline (SO) - Wide, 7.50 mm Body [SOIC]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 1 2X 0.10 C D NOTE 5 N A D E1 1 2 3 E/2 E 0.20 C A-B 2X 0.33 C 2X N/2 TIPS NX b ⊕ 0.25 M C A-B D e B NOTE 5

TOP VIEW

A A2 A1 // 0.10 C // 0.10 C NX SEATING PLANE C SIDE VIEW A A

h H SEE VIEW C c

VIEW A-A

Microchip Technology Drawing C04-052C Sheet 1 of 2

28-Lead Plastic Small Outline (SO) - Wide, 7.50 mm Body [SOIC]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

α 4X θ φ L (L1) 4X β VIEW C

Line drawing of an integrated circuit chip with multiple 24-pin pins (no text or symbols)

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Pins	N	28
Pitch	e	1.27 BSC
Overall Height	A	-	-	2.65
Molded Package Thickness	A2	2.05	-	-
Standoff §	A1	0.10	-	0.30
Overall Width	E	10.30 BSC
Molded Package Width	E1	7.50 BSC
Overall Length	D	17.90 BSC
Chamfer (Optional)	h	0.25	-	0.75
Foot Length	L	0.40	-	1.27
Footprint	L1	1.40 REF
Lead Angle		0^	-	-
Foot Angle		0^	-	8^
Lead Thickness	c	0.18	-	0.33
Lead Width	b	0.31	-	0.51
Mold Draft Angle Top		5^	-	15^
Mold Draft Angle Bottom		5^	-	15^

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. § Significant Characteristic
3. Dimension D does not include mold flash, protrusions or gate burrs, which shall not exceed 0.15 mm per end. Dimension E1 does not include interlead flash or protrusion, which shall not exceed 0.25 mm per side.
4. Dimensioning and tolerancing per ASME Y14.5M BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only.
5. Datums A & B to be determined at Datum H.

Microchip Technology Drawing C04-052C Sheet 2 of 2

28-Lead Plastic Small Outline (SO) - Wide, 7.50 mm Body [SOIC]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

Gx C G SILK SCREEN Y E X

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	1.27 BSC
Contact Pad Spacing	C		9.40
Contact Pad Width (X28)	X			0.60
Contact Pad Length (X28)	Y			2.00
Distance Between Pads	Gx	0.67
Distance Between Pads	G	7.40

Notes:

1. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

Microchip Technology Drawing No. C04-2052A

28-Lead Ultra Thin Plastic Quad Flat, No Lead Package (2N) - 6x6x0.55 mm Body [UQFN] With 4.65x4.65 mm Exposed Pad and Corner Anchors

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 1 N D A B 1 2 (DATUM B) (DATUM A) 2X 0.10 C E 2X 0.10 C TOP VIEW SEATING PLANE A C (A3) // 0.10 C A1 SIDE VIEW 28X 0.08 C 8X b1 D2 0.10 A E 8X b2 E2 2 1 2X P N e 28X K NOTE 1 L BOTTOM VIEW 0.10 A B 0.05 M

Microchip Technology Drawing C04-385B Sheet 1 of 2

28-Lead Ultra Thin Plastic Quad Flat, No Lead Package (2N) - 6x6x0.55 mm Body [UQFN] With 4.65x4.65 mm Exposed Pad and Corner Anchors

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

Technical line drawing of two rectangular electronic components with pins and a central hole (no text or symbols)

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Terminals	N	28
Pitch	e	0.65 BSC
Overall Height	A	0.45	0.50	0.55
Standoff	A1	0.00	0.02	0.05
Terminal Thickness	A3	0.127 REF
Overall Width	E	6.00 BSC
Exposed Pad Width	E2	4.55	4.65	4.75
Overall Length	D	6.00 BSC
Exposed Pad Length	D2	4.55	4.65	4.75
Exposed Pad Corner Chamfer P -	0.35 -
Terminal Width	b	0.25	0.30	0.35
	b1	0.35 0.40	0.43Corner	Anchor Pad
Corner Pad, Metal Free Zone b2		0.15 0.20	0.25
Terminal Length	L	0.30	0.40	0.50
Terminal-to-Exposed-Pad	K		-

0.20 -

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated
3. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-385B Sheet 2 of 2

28-Lead Ultra Thin Plastic Quad Flat, No Lead Package (2N) - 6x6x0.55 mm Body [UQFN] With 4.65x4.65 mm Exposed Pad and Corner Anchors

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C2 Y2 EV 28 X1 1 2 C1 EV X3 X4 E ØV Y4 G1 G2 Y1 SILK SCREEN

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.65 BSC
Optional Center Pad Width	X2			4.75
Optional Center Pad Length	Y2			4.75
	C1	Contact Pad Spacing 6.00
Contact Pad Spacing	C2		6.00
Contact Pad Width (X28)	X1			0.35
Contact Pad Length (X28)	Y1			0.80
Corner Anchor (X4)	X3			1.00
Corner Anchor (X4)	Y3			1.00
Corner Anchor Chamfer (X4)	X4			0.35
Corner Anchor Chamfer (X4)	Y4			0.35
Contact Pad to Pad (X28) G1 0.20
Contact Pad to Center Pad (X28) G2 0.20
Thermal Via Diameter V			0.33
Thermal Via Pitch EV			1.20

Notes:

1. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

1. For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during reflow process

Microchip Technology Drawing C04-2385B

Note: Corner anchor pads are not connected internally and are designed as mechanical features when the package is soldered to the PCB.

28-Lead Plastic Quad Flat, No Lead Package (MM) - 6x6x0.9mm Body [QFN-S] With 0.40 mm Terminal Length

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 1 1 2 (DATUM B) (DATUM A) 2X 0.15 C 2X 0.15 C D A B E TOP VIEW

SEATING PLANE A3 SIDE VIEW A A1 28 X // 0.10 C 0.08 C

0.10M C A B E2 2 1 28X L NOTE 1 N 28X b BOTTOM VIEW D2 e 28X K 0.10M C A B 0.05M C

Microchip Technology Drawing C04-124C Sheet 1 of 2

28-Lead Plastic Quad Flat, No Lead Package (MM) - 6x6x0.9mm Body [QFN-S] With 0.40 mm Terminal Length

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

Isometric line drawing of a square integrated circuit chip with multiple pins (no text or symbols)

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Pins	N	28
Pitch	e	0.65 BSC
Overall Height	A	0.80	0.90	1.00
Standoff	A1	0.00	0.02	0.05
Terminal Thickness	A3	0.20 REF
Overall Width	E	6.00 BSC
Exposed Pad Width	E2	3.65	3.70	4.70
Overall Length	D	6.00 BSC
Exposed Pad Length	D2	3.65	3.70	4.70
Terminal Width	b	0.23	0.30	0.35
Terminal Length	L	0.30	0.40	0.50
Terminal-to-Exposed Pad	K	0.20	-	-

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated
3. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-124C Sheet 2 of 2

28-Lead Plastic Quad Flat, No Lead Package (MM) - 6x6x0.9 mm Body [QFN-S] with 0.40 mm Contact Length

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C1 W2 E G Y1 X1 SILK SCREEN C2 T2

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.65 BSC
Optional Center Pad Width	W2			4.70
Optional Center Pad Length	T2			4.70
Contact Pad Spacing	C1		6.00
Contact Pad Spacing	C2		6.00
Contact Pad Width (X28)	X1			0.40
Contact Pad Length (X28)	Y1			0.85
Distance Between Pads	G	0.25

Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.

Microchip Technology Drawing No. C04-2124A

44-Lead Plastic Thin Quad Flatpack (PT) - 10x10x1.0 mm Body [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 2 (DATUM A) (DATUM B) NOTE 1 2X 0.20 H A B N 2X 0.20 H A B TOP VIEW 4X 11 TIPS 0.20 C A B SEATING PLANE C A A2 SIDE VIEW 0.10 C A1 NOTE 1 N 44 X b e Φ 0.20® A B BOTTOM VIEW

Microchip Technology Drawing C04-076C Sheet 1 of 2

44-Lead Plastic Thin Quad Flatpack (PT) - 10x10x1.0 mm Body [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

H L (L1) c θ SECTION A-A

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Leads	N	44
Lead Pitch	e	0.80 BSC
Overall Height	A	-	-	1.20
Standoff	A1	0.05	-	0.15
Molded Package Thickness	A2	0.95 1.00	1.05
Overall Width	E	12.00 BSC
Molded Package Width	E1	10.00 BSC
Overall Length	D	12.00 BSC
Molded Package Length	D1	10.00 BSC
Lead Width	b	0.30	0.37	0.45
Lead Thickness	c	0.09 - 0.20
Lead Length	L	0.45	0.60	0.75
Footprint L1 1.00 REF
	0		3.5°0' 7'	Foot Angle

Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Exact shape of each corner is optional.
3. Dimensioning and tolerancing per ASME Y14.5M BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-076C Sheet 2 of 2

44-Lead Plastic Thin Quad Flatpack (PT) 10X10X1 mm Body, 2.00 mm Footprint [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C1 G SILK SCREEN Y1 X1 E C2

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.80 BSC
Contact Pad Spacing	C1		11.40
Contact Pad Spacing	C2		11.40
Contact Pad Width (X44)	X1			0.55
Contact Pad Length (X44)	Y1			1.50
Distance Between Pads	G	0.25

Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Microchip Technology Drawing No. C04-2076B

44-Lead Plastic Quad Flat, No Lead Package (ML) - 8x8 mm Body [QFN or VQFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 1 1 2 (DATUM B) (DATUM A) 2X 0.20 C 2X 0.20 C TOP VIEW SEATING PLANE C A A3 L D2 44X 0.08 C A1 // 0.10 C SIDE VIEW NOTE 1 N e 44X b BOTTOM VIEW

Microchip Technology Drawing C04-103D Sheet 1 of 2

44-Lead Plastic Quad Flat, No Lead Package (ML) - 8x8 mm Body [QFN or VQFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

Two isometric diagrams of an integrated circuit chip with square and rectangular layers (no text or symbols)

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Pins	N	44
Pitch	e	0.65 BSC
Overall Height	A	0.80	0.90	1.00
Standoff	A1	0.00	0.02	0.05
Terminal Thickness	A3	0.20 REF
Overall Width	E	8.00 BSC
Exposed Pad Width	E2	6.25	6.45	6.60
Overall Length	D	8.00 BSC
Exposed Pad Length	D2	6.25	6.45	6.60
Terminal Width	b	0.20	0.30	0.35
Terminal Length	L	0.30	0.40	0.50
Terminal-to-Exposed-Pad	K		-

0.20 -

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated
3. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-103D Sheet 2 of 2

44-Lead Plastic Quad Flat, No Lead Package (ML) - 8x8 mm Body [QFN or VQFN]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C1 X2 EV 44 G2 1 2 EV ØV G1 Y1 SILK SCREEN E X1 C2 Y2

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.65 BSC
Optional Center Pad Width	X2			6.60
Optional Center Pad Length	Y2			6.60
	C1Contact Pad Spacing 8.00
Contact Pad Spacing	C2		8.00
Contact Pad Width (X44)	X1			0.35
Contact Pad Length (X44)	Y1			0.85
Contact Pad to Contact Pad (X40) G1 0.30
Contact Pad to Center Pad (X44) G2 0.28
Thermal Via Diameter V			0.33
Thermal Via Pitch EV			1.20

Notes:

1. Dimensioning and tolerancing per ASME Y14.5M

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

1. For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during reflow process

Microchip Technology Drawing No. C04-2103C

48-Lead Thin Quad Flatpack (Y8) - 7x7x1.0 mm Body [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

48X TIPS 0.20 C A-B D D D1 D1 2 D A B E1 E E1 4 N A A E1 2 NOTE 1 1 2 D1 4 e 4X 0.20 H A-B D 48x b ⊕ 0.08 M A-B D TOP VIEW SEATING PLANE C A A2 A1 // 0.10 C H SIDE VIEW 0.08 C

Microchip Technology Drawing C04-300-Y8 Rev A Sheet 1 of 2

48-Lead Thin Quad Flatpack (Y8) - 7x7x1.0 mm Body [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

H α β L (L1) c θ

Isometric line drawing of an integrated circuit chip with multiple pins (no text or symbols)

SECTION A-A

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Number of Leads	N	48
Lead Pitch	e	0.50 BSC
Overall Height	A	-	-	1.20
Standoff	A1	0.05	-	0.15
Molded Package Thickness	A2	0.95	1.00	1.05
Foot Length				0.750.60
Footprint	L1	1.00 REF
Foot Angle		0^	3.5^	7^
Overall Width	E	9.00 BSC
Overall Length	D	9.00 BSC
Molded Package Width	E1	7.00 BSC
Molded Package Length	D1	7.00 BSC
Lead Thickness	c	0.09		0.16-
Lead Width	b	0.17	0.22	0.27
Mold Draft Angle Top		11^	12^	13^
Mold Draft Angle Bottom		11^ 13^	12^

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Chamfers at corners are optional; size may vary.
3. Dimensions D1 and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.25mm per side.
4. Dimensioning and tolerancing per ASME Y14.5M
   BSC: Basic Dimension. Theoretically exact value shown without tolerances.
   REF: Reference Dimension, usually without tolerance, for information purposes only.
5. DatumsA-B and D to be determined at center line between leads where leads exit plastic body at datum plane H

Microchip Technology Drawing C04-300-Y8 Rev A Sheet 2 of 2

48-Lead Thin Quad Flatpack (Y8) - 7x7x1.0 mm Body [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C1 C2 48 SILK SCREEN G Y1 1 2 X1 E

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.50 BSC
	C1Contact Pad Spacing 8.40
	C2Contact Pad Spacing 8.40
Contact Pad Width (X48)	X1			0.30
Contact Pad Length (X48)	Y1			1.50
Distance Between Pads G 0.20

Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
2. For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during reflow process

Microchip Technology Drawing C04-2300-Y8 Rev A

64-Lead Plastic Thin Quad Flatpack (PT)-10x10x1 mm Body, 2.00 mm Footprint [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

NOTE 2 A SEE DETAIL 1 N 4X N/4 TIPS NOTE 1 D1/2 D D1 A B E1/2 A A 1 2 3 4X 0.20 C A-B D 0.20 H A-B D EE1

TOP VIEW

SEATING PLANE A C 0.08 C e 64 X b A1 A2 — 0.05 ⊕ 0.08® A-E D

SIDE VIEW

Microchip Technology Drawing C04-085C Sheet 1 of 2

64-Lead Plastic Thin Quad Flatpack (PT)-10x10x1 mm Body, 2.00 mm Footprint [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

α H β L (L1) c θ SECTION A-A X=A—B OR D e/2 X

DETAIL 1

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
	NNumber of Leads 64
Lead Pitch	e	0.50 BSC
				1.20--AOverall Height0.95A2Molded Package
				1.051.00
				0.15-0.05A1Standoff
				0.750.60
Footprint	L1	1.00 REF
Foot Angle				7°3.5°0°
		12.00 BSCEOverall Width
		12.00 BSCDOverall Length
		10.00 BSCE1Molded Package Width
Molded Package Length	D1	10.00 BSC
Lead Thickness	c			0.20-0.09
Lead Width	b			0.270.22
Mold Draft Angle Top				13°12°11°
Mold Draft Angle Bottom				13°12°11°

Notes:

1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Chamfers at corners are optional; size may vary.
3. Dimensions D1 and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.25mm per side.
4. Dimensioning and tolerancing per ASME Y14.5M BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only.

Microchip Technology Drawing C04-085C Sheet 2 of 2

64-Lead Plastic Thin Quad Flatpack (PT) 10x10x1 mm Body, 2.00 mm Footprint [TQFP]

Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging

C1 G SILK SCREEN Y1 X1 E C2

RECOMMENDED LAND PATTERN

Units		MILLIMETERS
Dimension Limits		MIN	NOM	MAX
Contact Pitch	E	0.50 BSC
Contact Pad Spacing	C1		11.40
Contact Pad Spacing	C2		11.40
Contact Pad Width (X64)	X1			0.30
Contact Pad Length (X64)	Y1			1.50
Distance Between Pads	G	0.20

Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Microchip Technology Drawing No. C04-2085B

NOTES:

APPENDIX A: REVISION HISTORY

Revision A (June 2013)

This is the initial released version of the document.

Revision B (May 2015)

Adds dsPIC33EPXXGS505 (48-pin) devices to the document:

• Amends the table on page 2 to add the three new devices of this group
• Adds the 48-pin TQFP pin diagram on page 7
• A m e n d s Table 26-3 to include thermal packaging characteristics for 48-pin packages
• Updates Section 28.1 "Package Marking Information" to include package marking details for 48-pin TQFP devices
• Updates Section 28.2 "Package Details" to include Microchip Drawings C04-183A and C04-2183A (7x7x1.0 mm 48-lead TQFP)

Changes all references to Dual Boot Flash Program Memory throughout the text to "Dual Partition Flash Program Memory". In addition, all accompanying references to "panels" and "Boot modes" are changed to "partitions" and "Partition modes". This includes, but is not limited, to:

• Section 4.1 "Program Address Space"
- Section 5.4 "Dual Partition Flash Configuration", and Register 5-1
- Section 23.10 "Code Protection and CodeGuard™ Security", and Table23-2

Replaces the high-speed pipeline A/D Converter present in pre-production samples with a high-speed, multiple SAR A/D Converter in production devices:

- Repl Section 19.0 "High-Speed, 12-Bit Analog-to-Digital Converter (ADC)" with an entirely new section of the same title, replacing all previous figures and registers

- Updates the summary bullet points under "High-Speed ADC Module" on Page 1 to reflect the feature set of the new module

- Updates Table 4-3 and Table 7-1 to reflect the new module's interrupt structure

- Replaces Table 4-16 with a new register map

- Removes Table 4-16 ("ADC Calibration Register Map"); subsequent tables are renumbered accordingly

- Updates Section 23.2 “Device Calibration and Identification” and Table 23-3 to remove the ADCAL registers from the Calibration register table

- Removes all references to the internal temperature sensor, including Table 26-44 (Temperature Sensor Specifications) and Figure 27-11 (Typical Temperature Sensor Voltage vs. Current)

Changes the ESR specification of the V_CAP filter capacitor from <4 to <0.5 .

Removes the internal voltage reference in all occurrences. For analog modules, the internal band gap reference is substituted as a replacement source.

Changes the following register names in all occurrences throughout the text:

• "CMPCONx" to "CMPxCON"
• "CMPDACx" to "CMPxDAC"
• "I2CxCON1" to "I2CxCONL"
• "I2CxCON2" to "I2CxCONH"

Updates the text of Section 5.4.2 “Dual Partition Modes” to change “Untrusted Dual Panel mode” to “Privileged Dual Partition mode” and clarifies the mode’s code security features.

Changes the BSS2 Configuration bit to "BSEN" throughout the text.

Replaces Section 23.3 "User OTP Memory" with new text to describe the 64-word User OTP Memory space; also removes Table 23-4.

Amends Table 24-2 with a footnote indicating an increase of instruction execution cycles for most instructions under certain conditions.

Updates the following tables in Section 26.0 “Electrical Characteristics” (in addition to changes previously noted):

• Table 26-4, with new specification DC12 (and accompanying footnote)
• Table 26-6, with updated Typical and new Maximum data throughout, and the addition of Parameter DC27 (with accompanying footnote)
  • Table 26-7, Table 26-8 and Table 26-10 with updated Typical and Maximum data throughout
  • Table 26-9 with updated Typical and Maximum data for Parameters DC61a and DC61b
• Footnotes 6 and 7 of Table 26-11 to clarify the behavior of 5V tolerant pins

- The "ADC Accuracy" specifications of Table 26-43

• Table 26-45 (Table 26-45 in Revision A) with updated specifications for Parameter CM15

• Table 26-46 (Table 26-46 in Revision A) with updated specifications for Parameters DA03 through DA06

Clarifies the text of Footnotes 6 and 7 in Table26-11 (I/O Pin Input Specifications).

Removes the "Reference Inputs" specifications from Table 26-43 in their entirety.

Replaces Figure 27-5 through Figure 27-10 with new characterization graphs to reflect the most current data and removes "TBD" watermarks.

Updates Section 28.1 “Package Marking Information” to reflect the removal of redundant temperature and package code information from all package markings; this is in addition to the new 48-pin package markings previously described.

Other minor typographic corrections throughout the document.

Revision C (October 2015)

Updates Note 2 in Table 1-1.

Updates Figure 2-5.

Inserts new Section 4.2 “Unique Device Identifier (UDID)” and adds Table 4-1. Subsequent tables were renumbered accordingly. Updates Table 4-3 (which was Table 4-2), Table 4-5 (which was Table 4-4), Table 4-10 (which was Table 4-9), Table 4-11 (which was Table 4-10), Table 4-21 (which was Table 4-20), Table 4-32 (which was Table 4-31), Table 4-36 (which was Table 4-35) and Table 4-37 (which was Table 4-36). Updates Section 4.8.1 “Bit-Reversed Addressing Implementation” (which was Section 4.7.1).

Updates Register 9-1.

Updates Figure 12-2 and Register 12-2.

Updates Register 13-1.

Updates Note 1 in Section 14.0 "Output Compare".

Updates Register 15-1, Register 15-6, Register 15-20 and Register 15-22.

Updates Figure 17-1.

Updates Register 18-2.

Updates Figure 19-2 and Figure 19-3. Updates Register 19-1, Register 19-2, Register 19-3, Register 19-4, Register 19-26 and Register 19-33. Adds Register 19-27.

Updates Figure 21-2.

Updates Section 23.6.2 "Sleep and Idle Modes".

Updates Table 26-8, Table 26-11, Table 26-29. Adds new Table 26-42. Subsequent tables were renumbered accordingly. Updates Table 26-43 (which was Table 26-42), Table 26-46 (which was Table 26-45) and Table 26-48 (which was Table 26-47).

Updated diagrams in Section 28.0 "Packaging Information".

Updates the Product Identification System section.

Other minor typographic corrections throughout the document.

Revision D (May 2017)

Updates Pin 14 Function on page 3, updates Pin 11 Function on page 4, updates Pin 41 Function on page 5, updates Pin 41 Function on page 6, updates Pin 45 Function on page 7 and updates Pin 43 Function on page 8.

Updates Table 1-1, Table 4-8, Table 4-9, Table 4-10, Table 4-11, Table 4-12, Table 4-16, Table 26-4, Table 26-40, Table 26-43 and Table 26-45.

Updates Register 5-1, Register 8-4, Register 15-22, Register 19-5, Register 19-6, Register 19-26, Register 19-27, Register 19-28, Register 19-29 and Register 19-30.

Updates Figure 20-2, Figure 26-20 and Figure 26-22.

Adds 48-Lead Thin Quad Flatpack (Y8) - 7x7x1.0 mm Body TQFP drawings to Section 28.0 "Packaging Information" section.

Updates Section 20.6 "Hysteresis"

INDEX

A

Absolute Maximum Ratings 303

AC Characteristics 315

ADC Specifications 343

Analog Current Specifications.... 342

Analog-to-Digital Conversion Requirements...... 345

Auxiliary PLL Clock 317

Capacitive Loading Requirements on Output Pins 315

External Clock Requirements 316

High-Speed PWMx Requirements 325

I/O Requirements.... 319

I2Cx Bus Data Requirements (Master Mode) ...... 339

I2Cx Bus Data Requirements (Slave Mode) 341

Input Capture x Requirements 323

Internal FRC Accuracy.... 318

Internal LPRC Accuracy.... 318

Load Conditions 315

OCx/PWMx Module Requirements 324

Output Compare x Requirements 324

PLL Clock.... 317

Reset, WDT, OST, PWRT Requirements .... 320

SPIx Master Mode (Full-Duplex, CKE = 0, CKP = x, SMP = 1) Requirements .... 329

SPIx Master Mode (Full-Duplex, CKE = 1, CKP = x, SMP = 1) Requirements .... 328

SPIx Master Mode (Half-Duplex, Transmit Only) Requirements.... 327

SPIx Maximum Data/Clock Rate Summary 326

SPIx Slave Mode (Full-Duplex, CKE = 0, CKP = 0, SMP = 0) Requirements.... 337

SPIx Slave Mode (Full-Duplex, CKE = 0, CKP = 1, SMP = 0) Requirements.... 335

SPIx Slave Mode (Full-Duplex, CKE = 1, CKP = 0, SMP = 0) Requirements.... 331

SPIx Slave Mode (Full-Duplex, CKE = 1, CKP = 1, SMP = 0) Requirements.... 333

Temperature and Voltage Specifications 315

Timer1 External Clock Requirements 321

Timer2/Timer4 External Clock Requirements ...... 322

Timer3/Timer5 External Clock Requirements .... 322

UARTx I/O Requirements 342

AC/DC Characteristics

DACx Specifications 346

High-Speed Analog Comparator Specifications..... 345

PGAx Specifications 347

Analog-to-Digital Converter. See ADC.

Arithmetic Logic Unit (ALU).... 30

Assembler

MPASM Assembler 300

MPLAB Assembler, Linker, Librarian.... 300

B

Bit-Reversed Addressing 73

Example 74

Implementation 73

Sequence Table (16-Entry).... 74

Block Diagrams

16-Bit Timer1 Module.... 163

ADC Module.... 230

ADC Shared Core 231

Addressing for Table Registers 77

CALL Stack Frame 69

Connections for On-Chip Voltage Regulator ..... 285

Constant-Current Source.... 275

CPU Core 22

Data Access from Program Space Address Generation....75

Dedicated ADC Cores 0-3 231

dsPIC33EPXXGS50X Family 11

High-Speed Analog Comparator x.... 264

High-Speed PWM Architecture.... 183

Hysteresis Control 266

I2Cx Module 216

Input Capture x 171

Interleaved PFC.... 18

MCLR Pin Connections 16

Multiplexing Remappable Outputs for RPn 130

Off-Line UPS 20

Oscillator System.... 104

Output Compare x Module 175

PGAx Functions.... 272

PGAx Module 271

Phase-Shifted Full-Bridge Converter.... 19

PLL Module 105

Programmer's Model 24

PSV Read Address Generation.... 66

Recommended Minimum Connection 16

Remappable Input for U1RX 128

Reset System 85

Security Segments for dsPIC33EP64GS50X ...... 288

Security Segments for dsPIC33EP64GS50X (Dual Partition Modes).... 288

Shared Port Structure.... 125

Simplified Conceptual of High-Speed PWM 184

SPIx Module 207

Suggested Oscillator Circuit Placement 17

Timerx (x = 2 through 5) 168

Type B/Type C Timer Pair (32-Bit Timer) 168

UARTx Module 223

Watchdog Timer (WDT).... 286

Brown-out Reset (BOR) 277, 285

C

C Compilers

MPLAB XC 300

Code Examples

Port Write/Read 126

PWM Write-Protected Register Unlock Sequence .... 182

PWRSAV Instruction Syntax 115

Code Protection 277, 287

CodeGuard Security 277, 287

Configuration Bits 277

Description.... 280

Constant-Current Source.... 275

Control Register 276

Description.... 275

Features Overview 275

CPU

Addressing Modes 21

Clocking System Options....105

Fast RC (FRC) Oscillator.... 105

FRC Oscillator with PLL (FRCPLL).... 105

FRC Oscillator with Postscaler 105

Low-Power RC (LPRC) Oscillator.... 105

Primary (XT, HS, EC) Oscillator.... 105

Primary Oscillator with PLL.... 105

Control Registers 26

Data Space Addressing 21

Instruction Set 21

Registers....21

Resources....25

Customer Change Notification Service 384

Customer Notification Service.... 384

Customer Support 384

D

Data Address Space 37

Memory Map for dsPIC33EP16GS50X Devices ..... 38

Memory Map for dsPIC33EP32GS50X Devices ..... 39

Memory Map for dsPIC33EP64GS50X Devices ..... 40

Near Data Space 37

Organization, Alignment.... 37

SFR Space.... 37

Width....37

Data Space

Extended X 69

Paged Data Memory Space (figure) 67

Paged Memory Scheme 66

DC Characteristics

Brown-out Reset (BOR) 313

Constant-Current Source Specifications 347

DACx Output (DACOUTx Pin) Specifications ..... 346

Doze Current (IDOZE) 309

I/O Pin Input Specifications.... 310

I/O Pin Output Specifications 313

Idle Current (IIDLE) 307

Operating Current (IDD) 306

Operating MIPS vs. Voltage....304

Power-Down Current (IPD) 308

Program Memory 314

Temperature and Voltage Specifications 305

Watchdog Timer Delta Current (ΔIwDT) 308

DC/AC Characteristics

Graphs and Tables 349

Demo/Development Boards, Evaluation and

Starter Kits 302

Development Support 299

Device Calibration....283

Addresses 283

and Identification.... 283

Device Programmer

MPLAB PM3 301

Doze Mode....117

DSP Engine.... 30

E

Electrical Characteristics....303

AC 315

Equations

Device Operating Frequency 105

FPLLO Calculation....105

Fvco Calculation.... 105

Errata 10

F

Filter Capacitor (CEFC) Specifications 305

Flash Program Memory 77

and Table Instructions 77

Control Registers....80

Dual Partition Flash Configuration.... 79

Operations 78

Resources 79

RTSP Operation 78

Flexible Configuration 277

G

Getting Started Guidelines.... 15

Connection Requirements 15

CPU Logic Filter Capacitor Connection (VCAP) ...... 16

Decoupling Capacitors.... 15

External Oscillator Pins.... 17

ICSP Pins 17

Master Clear (MCLR) Pin 16

Oscillator Value Conditions on Start-up.... 18

Targeted Applications.... 18

Unused I/Os.... 18

H

High-Speed Analog Comparator

Applications 265

Description.... 264

Digital-to-Analog Comparator (DAC) 265

Features Overview.... 263

Hysteresis....266

Pulse Stretcher and Digital Logic.... 265

Resources 266

High-Speed PWM

Description.... 181

Features 181

Resources 182

Write-Protected Registers.... 182

High-Speed, 12-Bit Analog-to-Digital

Converter (ADC).... 229

Control Registers.... 232

Features Overview.... 229

Resources 232

|

I/O Ports.... 125

Configuring Analog/Digital Port Pins.... 126

Helpful Tips.... 132

Open-Drain Configuration.... 126

Parallel I/O (PIO) 125

Resources 133

Write/Read Timing.... 126

In-Circuit Debugger.... 287

MPLAB ICD 3 301

PICkit 3 Programmer 301

In-Circuit Emulation 277

In-Circuit Serial Programming (ICSP).... 277, 287

Input Capture 171

Control Registers.... 172

Resources 171

Input Change Notification (ICN).... 126

Instruction Addressing Modes.... 70

File Register Instructions 70

Fundamental Modes Supported.... 70

MAC Instructions....71

MCU Instructions 70

Move and Accumulator Instructions.... 71

Other Instructions....71

Instruction Set Summary.... 289

Overview.... 292

Symbols Used in Opcode Descriptions.... 290

Instruction-Based Power-Saving Modes.... 115

Idle 116

Sleep.... 116

Inter-Integrated Circuit (I²C).... 215

Control Registers 217

Resources.... 215

Inter-Integrated Circuit. See I²C.

Internet Address.... 384

Interrupt Controller Alternate Interrupt Vector Table (AIVT) 89

Control and Status Registers 94

INTCON1 94

INTCON2 94

INTCON3 94

INTCON4 94

INTTREG 94

Interrupt Vector Details 92

Interrupt Vector Table (IVT) 89

Reset Sequence 89

Resources....94

Interrupts Coincident with Power Save Instructions...... 116

J

JTAG Boundary Scan Interface 277

JTAG Interface.... 287

L

Leading-Edge Blanking (LEB).... 181

LPRC Oscillator

Use with WDT.... 286

M

Memory Organization.... 31

Resources....41

Microchip Internet Web Site.... 384

Modulo Addressing 72

Applicability 73

Operation Example 72

Start and End Address.... 72

W Address Register Selection 72

MPLAB REAL ICE In-Circuit Emulator System.... 301

MPLAB X Integrated Development

Environment Software.... 299

MPLINK Object Linker/MPLIB Object Librarian 300

0

Oscillator Control Registers .... 107

Resources.... 106

Output Compare 175

Control Registers 176

Resources.... 175

P

Packaging.... 353

Details.... 355

Marking.... 353

Peripheral Module Disable (PMD) 117

Peripheral Pin Select (PPS).... 127

Available Peripherals.... 127

Available Pins 127

Control 127

Control Registers.... 134

Output Selection for Remappable Pins 131

Selectable Input Sources.... 129

PGA

Pinout I/O Descriptions (table).... 12

Power-Saving Features 115

Clock Frequency and Switching 115

Resources 117

Program Address Space.... 31

Construction 75

Data Access from Program Memory Using Table Instructions 76

Memory Map (dsPIC33EP16GS50X Devices) ...... 32

Memory Map (dsPIC33EP32GS50X Devices) 33

Memory Map (dsPIC33EP64GS50X Devices, Dual Partition).... 35

Memory Map (dsPIC33EP64GS50X Devices) ...... 34

Table Read High Instructions (TBLRDH) 76

Table Read Low Instructions (TBLRDL).... 76

Program Memory

Interfacing with Data Memory Spaces.... 75

Organization 36

Reset Vector.... 36

Programmable Gain Amplifier (PGA).... 271

Description.... 272

Resources 273

Programmable Gain Amplifier. See PGA.

Programmer's Model 23

Register Descriptions 23

R

Register Maps ADC 54

Analog Comparator 61

Configuration Registers.... 278

Constant-Current Source.... 60

CPU Core 42

I2C1 and I2C2 52

Input Capture 1 through Input Capture 4.... 47

Interrupt Controller 44

JTAG Interface 61

NVM....59

Output Compare 1 through Output Compare 4 ..... 48

Peripheral Pin Select Input 58

Peripheral Pin Select Output (dsPIC33EPXXGS502 Devices).... 56

Peripheral Pin Select Output (dsPIC33EPXXGS504/505 Devices).... 56

Peripheral Pin Select Output (dsPIC33EPXXGS506 Devices).... 57

PMD 60

PORTA (dsPIC33EPXXGS502 Devices).... 62

PORTA (dsPIC33EPXXGS504/505 Devices).... 63

PORTA (dsPIC33EPXXGS506 Devices).... 64

PORTB (dsPIC33EPXXGS502 Devices).... 62

PORTB (dsPIC33EPXXGS504/505 Devices).... 63

PORTB (dsPIC33EPXXGS506 Devices).... 64

PORTC (dsPIC33EPXXGS504/505 Devices).... 63

PORTC (dsPIC33EPXXGS506 Devices).... 64

PORTD (dsPIC33EPXXGS506 Devices)...... 65

Programmable Gain Amplifier.... 60

PWM 49

PWM Generator 1 49

PWM Generator 2 50

PWM Generator 3 50

PWM Generator 4 51

PWM Generator 5 51

SPI1 and SPI2 53

System Control 59

Timer1 through Timer5 46

UART1 and UART2 52

Registers

ACLKCON (Auxiliary Clock Divisor Control) 112

ADCAL0H (ADC Calibration 0 High) 256

ADCAL0L (ADC Calibration 0 Low) 255

ADCAL1H (ADC Calibration 1 High) 257

ADCMPxCON (ADC Digital Comparator x Control) 258

ADCMPxENH (ADC Digital Comparator x Channel Enable High).... 259

ADCMPxENL (ADC Digital Comparator x Channel Enable Low).... 259

ADCON1H (ADC Control 1 High) 233

ADCON1L (ADC Control 1 Low)......232

ADCON2H (ADC Control 2 High) 235

ADCON2L (ADC Control 2 Low)....234

ADCON3H (ADC Control 3 High) 237

ADCON3L (ADC Control 3 Low)....236

ADCON4H (ADC Control 4 High) 239

ADCON4L (ADC Control 4 Low)....238

ADCON5H (ADC Control 5 High) 241

ADCON5L (ADC Control 5 Low)....240

ADCORExH (Dedicated ADC Core x Control High)....243

ADCORExL (Dedicated ADC Core x Control Low).... 242

ADEIEH (ADC Early Interrupt Enable High) 245

ADEIEL (ADC Early Interrupt Enable Low) 245

ADEISTATH (ADC Early Interrupt Status High)...... 246

ADEISTATL (ADC Early Interrupt Status Low) ...... 246

ADFLxCON (ADC Digital Filter x Control).... 260

ADIEH (ADC Interrupt Enable High) 249

ADIEL (ADC Interrupt Enable Low) 249

ADLVLTRGH (ADC Level-Sensitive Trigger Control High)....244

ADLVLTRGL (ADC Level-Sensitive Trigger Control Low).... 244

ADMOD0H (ADC Input Mode Control 0 High) ...... 247

ADMOD0L (ADC Input Mode Control 0 Low) ...... 247

ADMOD1L (ADC Input Mode Control 1 Low) ...... 248

ADSTATH (ADC Data Ready Status High)...... 250

ADSTATL (ADC Data Ready Status Low) 250

ADTRIGxH (ADC Channel Trigger x Selection High)....253

ADTRIGxL (ADC Channel Trigger x Selection Low) 251

ALTDTRx (PWMx Alternate Dead-Time).... 197

AUXCONx (PWMx Auxiliary Control) 205

CHOP (PWMx Chop Clock Generator).... 190

CLKDIV (Clock Divisor) 109

CMPxCON (Comparator x Control) 267

CMPxDAC (Comparator x DAC Control) 269

CORCON (Core Control).... 28, 96

CTXTSTAT (CPU W Register Context Status)...... 29

DEVID (Device ID) 284

DEVREV (Device Revision)...... 284

DTRx (PWMx Dead-Time).... 197

FCLCONx (PWMx Fault Current-Limit Control)...... 201

I2CxCONH (I2Cx Control High) 219

I2CxCONL (I2Cx Control Low) 217

I2CxMSK (I2Cx Slave Mode Address Mask) 222

I2CxSTAT (I2Cx Status) 220

ICxCON1 (Input Capture x Control 1).... 172

ICxCON2 (Input Capture x Control 2).... 173

INTCON1 (Interrupt Control 1)....97

INTCON2 (Interrupt Control 2)....99

INTCON3 (Interrupt Control 3).... 100

INTCON4 (Interrupt Control 4)....100

INTTREG (Interrupt Control and Status) 101

IOCONx (PWMx I/O Control).... 199

ISRCCON (Constant-Current Source Control) ..... 276

LEBCONx (PWMx Leading-Edge Blanking Control) 203

LEBDLYx (PWMx Leading-Edge Blanking Delay) 204

LFSR (Linear Feedback Shift) 114

MDC (PWMx Master Duty Cycle) 191

NVMADR (Nonvolatile Memory Lower Address) 83

NVMADRU (Nonvolatile Memory Upper Address) 83

NVMCON (Nonvolatile Memory (NVM) Control)...... 81

NVMKEY (Nonvolatile Memory Key) 84

NVMSRCADR (NVM Source Data Address)...... 84

OCxCON1 (Output Compare x Control 1) ...... 176

OCxCON2 (Output Compare x Control 2) ...... 178

OSCCON (Oscillator Control).... 107

OSCTUN (FRC Oscillator Tuning).... 111

PDCx (PWMx Generator Duty Cycle).... 194

PGAxCAL (PGAx Calibration) 274

PGAxCON (PGAx Control) 273

PHASEx (PWMx Primary Phase-Shift).... 195

PLLFBD (PLL Feedback Divisor).... 110

PMD1 (Peripheral Module Disable Control 1)...... 118

PMD2 (Peripheral Module Disable Control 2)...... 119

PMD3 (Peripheral Module Disable Control 3)...... 120

PMD4 (Peripheral Module Disable Control 4).... 120

PMD6 (Peripheral Module Disable Control 6)...... 121

PMD7 (Peripheral Module Disable Control 7)...... 122

PMD8 (Peripheral Module Disable Control 8)...... 123

PTCON (PWMx Time Base Control) 185

PTCON2 (PWMx Clock Divider Select 2).... 186

PTPER (PWMx Primary Master Time Base Period).... 187

PWMCAPx (PWMx Primary Time Base Capture) 206

PWMCONx (PWMx Control).... 192

PWMKEY (PWMx Protection Lock/Unlock Key)...... 191

RCON (Reset Control) 87

REFOCON (Reference Oscillator Control) 113

RPINR0 (Peripheral Pin Select Input 0).... 134

RPINR1 (Peripheral Pin Select Input 1).... 134

RPINR11 (Peripheral Pin Select Input 11).... 139

RPINR12 (Peripheral Pin Select Input 12).... 140

RPINR13 (Peripheral Pin Select Input 13).... 141

RPINR18 (Peripheral Pin Select Input 18)...... 142

RPINR19 (Peripheral Pin Select Input 19).... 143

RPINR2 (Peripheral Pin Select Input 2).... 135

RPINR20 (Peripheral Pin Select Input 20)...... 144

RPINR21 (Peripheral Pin Select Input 21).... 145

RPINR22 (Peripheral Pin Select Input 22)...... 146

RPINR23 (Peripheral Pin Select Input 23).... 147

RPINR3 (Peripheral Pin Select Input 3).... 136

RPINR37 (Peripheral Pin Select Input 37).... 148

RPINR38 (Peripheral Pin Select Input 38).... 149

RPINR42 (Peripheral Pin Select Input 42).... 150

RPINR43 (Peripheral Pin Select Input 43).... 151

RPINR7 (Peripheral Pin Select Input 7).... 137

RPINR8 (Peripheral Pin Select Input 8).... 138

RPOR0 (Peripheral Pin Select Output 0).... 152

RPOR1 (Peripheral Pin Select Output 1).... 152

RPOR10 (Peripheral Pin Select Output 10).... 157

RPOR11 (Peripheral Pin Select Output 11).... 157

RPOR12 (Peripheral Pin Select Output 12).... 158

RPOR13 (Peripheral Pin Select Output 13)...... 158

RPOR14 (Peripheral Pin Select Output 14).... 159

RPOR15 (Peripheral Pin Select Output 15)...... 159

RPOR16 (Peripheral Pin Select Output 16)...... 160

RPOR17 (Peripheral Pin Select Output 17)...... 160

RPOR18 (Peripheral Pin Select Output 18)...... 161

RPOR2 (Peripheral Pin Select Output 2).... 153

RPOR3 (Peripheral Pin Select Output 3).... 153

RPOR4 (Peripheral Pin Select Output 4).... 154

RPOR5 (Peripheral Pin Select Output 5).... 154

RPOR6 (Peripheral Pin Select Output 6).... 155

RPOR7 (Peripheral Pin Select Output 7).... 155

RPOR8 (Peripheral Pin Select Output 8).... 156

RPOR9 (Peripheral Pin Select Output 9).... 156

SDCx (PWMx Secondary Duty Cycle) 194

SEVTCMP (PWMx Special Event Compare)...... 187

SPHASEx (PWMx Secondary Phase-Shift).... 196

SPIxCON1 (SPIx Control 1)....211

SPIxCON2 (SPIx Control 2).... 213

SPIxSTAT (SPIx Status and Control) 209

SR (CPU STATUS).... 26, 95

SSEVTCMP (PWMx Secondary Special Event Compare).... 190

STCON (PWMx Secondary Master Time Base Control).... 188

STCON2 (PWMx Secondary Clock Divider Select 2)....189

STPER (PWMx Secondary Master Time Base Period) 189

STRIGx (PWMx Secondary Trigger Compare Value).... 202

T1CON (Timer1 Control).... 165

TRGCONx (PWMx Trigger Control).... 198

TRIGx (PWMx Primary Trigger Compare Value).... 200

TxCON (Timer2/4 Control).... 169

TyCON (Timer3/5 Control).... 170

UxMODE (UARTx Mode) 225

UxSTA (UARTx Status and Control).... 227

Resets 85

Brown-out Reset (BOR) 85

Configuration Mismatch Reset (CM) 85

Illegal Condition Reset (IOPUWR) 85

Illegal Opcode 85

Security 85

Uninitialized W Register 85

Master Clear (MCLR) Pin Reset 85

Power-on Reset (POR).... 85

RESET Instruction (SWR) 85

Resources 86

Trap Conflict Reset (TRAPR) 85

Watchdog Timer Time-out Reset (WDTO) 85

Revision History.... 377

S

Serial Peripheral Interface (SPI) 207

Serial Peripheral Interface. See SPI.

Software Simulator

MPLAB X SIM.... 301

Special Features of the CPU 277

SPI

Control Registers.... 209

Helpful Tips.... 208

Resources 208

T

Thermal Operating Conditions.... 304

Thermal Packaging Characteristics 304

Third-Party Development Tools.... 302

Timer1 163

Control Register.... 165

Mode Settings.... 163

Resources 164

Timer2/3 and Timer4/5 167

Control Registers.... 169

Resources 167

Timing Diagrams

BOR and Master Clear Reset Characteristics ..... 319

External Clock 316

High-Speed PWMx Fault Characteristics 325

High-Speed PWMx Module Characteristics .... 325

I/O Characteristics.... 319

I2Cx Bus Data (Master Mode) 338

I2Cx Bus Data (Slave Mode) 340

12Cx Bus Start/Stop Bits (Master Mode).... 338

12Cx Bus Start/Stop Bits (Slave Mode).... 340

Input Capture x (ICx) Characteristics 323

OCx/PWMx Characteristics 324

Output Compare x (OCx) Characteristics.... 324

SPIx Master Mode (Full-Duplex, CKE = 0,

CKP = x, SMP = 1) 329

SPIx Master Mode (Full-Duplex, CKE = 1,

CKP = x, SMP = 1) 328

SPIx Master Mode (Half-Duplex,

Transmit Only, CKE = 0) 326

SPIx Master Mode (Half-Duplex,

Transmit Only, CKE = 1) 327

SPIx Slave Mode (Full-Duplex, CKE = 0,

CKP = 0, SMP = 0).... 336

SPIx Slave Mode (Full-Duplex, CKE = 0,

CKP = 1, SMP = 0).... 334

SPIx Slave Mode (Full-Duplex, CKE = 1,

CKP = 0, SMP = 0).... 330

SPIx Slave Mode (Full-Duplex, CKE = 1, CKP = 1, SMP = 0) .... 332

Timer1-Timer5 External Clock Characteristics...... 321

UARTx I/O Characteristics.... 342

U

Unique Device Identifier (UDID).... 31

Universal Asynchronous Receiver Transmitter (UART)......223

Control Registers 225

Helpful Tips 224

Resources.... 224

Universal Asynchronous Receiver Transmitter. See UART.

User OTP Memory 285

v

Voltage Regulator (On-Chip) 285

W

Watchdog Timer (WDT).... 277, 286 Programming Considerations .... 286

WWW Address 384

WWW, On-Line Support 10

Microchip provides online support via our WWW site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information:

• Product Support – Data sheets and errata, application notes and sample programs, design resources, user's guides and hardware support documents, latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQ), technical support requests, online discussion groups, Microchip consultant program member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives

CUSTOMER CHANGE NOTIFICATION SERVICE

Microchip's customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest.

To register, access the Microchip web site at www.microchip.com. Under "Support", click on "Customer Change Notification" and follow the registration instructions.

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative
- Local Sales Office
• Field Application Engineer (FAE)
- Technical Support

Customers should contact their distributor, representative or Field Application Engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.

Technical support is available through the web site at: http://microchip.com/support

NOTES:

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.

dsPIC 33 EP 64 GS5 04 T - I / PT XXXMicrochip Trademark Architecture Flash Memory Family Program Memory Size (Kbyte) Product Group Pin Count Tape and Reel Flag (if applicable) Temperature Range Package Pattern		Examples:dsPIC33EP64GS504-I/PT:dsPIC33, Enhanced Performance, 64-Kbyte Program Memory, SMPS, 44-Pin, Industrial Temperature, TQFP Package.
Architecture:	33 = 16-Bit Digital Signal Controller
Flash Memory Family:	EP = Enhanced Performance
Product Group:	GS = SMPS Family
Pin Count:	02 = 28-pin04 = 44-pin05 = 48-pin06 = 64-pin
Temperature Range:	I = -°C to4+85°C (Industrial)E = -°C to +125°C (Extended)
Package:	2N = Ultra Thin Quad Flat, No Lead – (28-pin) 6x6 mm (UQFN)ML = Plastic Quad Flat, No Lead – (44-pin) 8x8 mm body (QFN)MM = Plastic Quad Flat, No Lead – (28-pin) 6x6 mm body (QFN-S)PT = Plastic Thin Quad Flatpack – (44-pin) 10x10 mm body (TQFP)PT = Plastic Thin Quad Flatpack – (64-pin) 10x10 mm body (TQFP)SO = Plastic Small Outline, Wide – (28-pin) 7.50 mm body (SOIC)Y8 = Thin Quad Flatpack – (48-pin) 7x7 mm (TQFP)

NOTES:

Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.
- Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions.
- There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
- Microchip is willing to work with the customer who is concerned about the integrity of their code.
- Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable."

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated.

Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company's quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELoo® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified.

QUALITY MANAGEMENT SYSTEM

CERTIFIED BY DNV

= ISO/TS 16949=

Trademarks

The Microchip name and logo, the Microchip logo, AnyRate, AVR, AVR logo, AVR Freaks, BeaconThings, BitCloud, CryptoMemory, CryptoRF, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, LINK MD, maXStylus, maXTouch, MediaLB, megaAVR, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, Prochip Designer, QTouch, RightTouch, SAM-BA, SpyNIC, SST, SST Logo, SuperFlash, tinyAVR, UNI/O, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

ClockWorks, The Embedded Control Solutions Company, EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision Edge, and Quiet-Wire are registered trademarks of Microchip Technology Incorporated in the U.S.A.

Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipKIT, chipKIT logo, CodeGuard, CryptoAuthentication, CryptoCompanion,

CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker,

KleerNet, KleerNet logo, Mindi, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, QMatrix, RightTouch logo, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O, SMART-I.S., SQI,

SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.

Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.

GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.

All other trademarks mentioned herein are property of their respective companies.

© 2013-2017, Microchip Technology Incorporated, All Rights Reserved.

ISBN: 978-1-5224-1714-9

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