PIC16C65A - Microcontroller Microchip - Free user manual and instructions
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| Product Type | Microcontroller (8-bit) |
| Brand | Microchip |
| Model | PIC16C65A |
| Category | Microcontroller |
| Package Type | PDIP-40, PLCC-44, TQFP-44 |
| Number of Pins | 40 (PDIP), 44 (PLCC/TQFP) |
| Program Memory | 4K x 14 words (OTP EPROM) |
| RAM Size | 192 bytes (data memory) |
| Operating Frequency (max) | 20 MHz |
| I/O Pins | 33 digital I/O pins |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Communication Interfaces | USART, I²C, SPI (via MSSP) |
| Supply Voltage (Vcc) | 4.0V - 5.5V DC |
| Operating Temperature Range | 0°C to +70°C (commercial); -40°C to +85°C (industrial) |
| Timers / Capture & Compare | 3 timers with PWM support |
| Instruction Set | 35 single-word instructions |
| Development Support | In-Circuit Serial Programming (ICSP) |
| Clock Source | Crystal, RC oscillator, or external clock |
| Power Consumption | Low power CMOS, typ. 5.5 mA @ 20 MHz, 5V |
| Dimensions (PDIP-40) | 52.3 x 13.2 x 3.78 mm |
| Weight (PDIP-40) | Approx. 2.1 g |
| User Manual Length | 280 pages |
Frequently Asked Questions - PIC16C65A Microchip
What is the PIC16C65A and where is it typically used?
The PIC16C65A is an 8-bit microcontroller from Microchip's PIC 16C family. It is widely used in embedded control applications such as automotive systems, industrial automation, and consumer electronics due to its low cost and low power consumption.
How do I program the PIC16C65A?
The PIC16C65A supports In-Circuit Serial Programming (ICSP) and can be programmed using devices like the PICSTART Plus or MPLAB PM3 programmer. The code is written in assembly or C and compiled with tools like MPLAB X IDE.
What development tools are available for the PIC16C65A?
Development is supported by MPLAB X IDE, the official Integrated Development Environment from Microchip. It includes a simulator, assembler, and compiler support. In-circuit debuggers like MPLAB ICD 4 are also compatible for real-time debugging.
What is the maximum clock speed of the PIC16C65A?
The maximum operating frequency is 20 MHz with a supply voltage of 4.0V to 5.5V. The clock can be generated from a crystal oscillator, RC oscillator, or an external clock signal.
Does the PIC16C65A have an analog-to-digital converter (ADC)?
No, the PIC16C65A does not have a built-in ADC. For analog inputs, you would need to interface an external ADC, or consider a similar device from the PIC16C7x series that includes ADC functionality.
Can the PIC16C65A be reprogrammed after initial programming?
The PIC16C65A uses OTP (One-Time Programmable) EPROM, which means it can only be programmed once. If your application requires reprogramming, consider a flash-based PIC microcontroller like the PIC16F65A.
What is the difference between the PIC16C65A and the PIC16F65A?
The key difference is the memory technology. The PIC16C65A uses OTP EPROM, while the PIC16F65A uses Flash memory allowing repeated programming. The PIC16F65A is also more modern and often includes enhanced peripherals, making it a better choice for many projects.
How many input/output (I/O) pins does the PIC16C65A have?
It provides up to 33 digital I/O pins across five ports (Ports A, B, C, D, and E). Some pins are multiplexed with peripheral functions such as timers and communication interfaces, so the actual available I/O depends on your configuration.
What is the supply voltage and typical current consumption of the PIC16C65A?
The recommended supply voltage is 4.0V to 5.5V. At 5V and 20 MHz, the typical current consumption is around 5.5 mA in active mode. In sleep mode, current drops to a few microamps.
Where can I download the user manual for the PIC16C65A?
The official PIC16C65A datasheet and user manual (280 pages) can be downloaded free of charge from the Microchip Technical Documentation website. Manuals are also available on third-party documentation sites like Notice-Facile.
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USER MANUAL PIC16C65A Microchip
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Product information
Brand : Microchip
Model : PIC16C65A
Category : Microcontroller