PIC18F4520 - Microcontroller Microchip - Free user manual and instructions
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| Product Type | 8-bit Microcontroller (MCU) |
| Brand | Microchip |
| Model | PIC18F4520 |
| Architecture | 8-bit PIC RISC |
| Packages | 40-pin PDIP, TQFP, and similar |
| Flash Memory | 32 KB |
| RAM | 1536 Bytes |
| EEPROM | 256 Bytes |
| Maximum Clock Speed | 40 MHz |
| Operating Voltage | 2.0 V to 5.5 V |
| Digital I/O Pins | 36 |
| ADC Channels | 13 channels, 10-bit resolution |
| Timers | 4 (Timer0 to Timer3) |
| Communication Interfaces | SPI, I2C, USART, and more |
| PWM Modules | 2 Capture/Compare/PWM (CCP) |
| Approximate Dimensions (PDIP) | 52.0 mm x 14.0 mm x 4.0 mm |
| Approximate Weight | 6 g |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | Very low; <0.2 mA at low clock speed |
| Maintenance | Keep dry and free from dust; avoid static discharge |
| Safety | Use ESD-safe handling procedures |
| Spare Parts / Replacement | Surface-mount or through-hole; replacement requires standard rework tools |
| Repairability | Repairable by qualified technicians with soldering equipment |
Frequently Asked Questions - PIC18F4520 Microchip
What is the PIC18F4520?
The PIC18F4520 is a 8-bit microcontroller from Microchip's PIC18 family. It features 32 KB of flash memory, 1536 bytes of RAM, and a rich set of peripherals including ADC, timers, and communication interfaces such as SPI and I2C.
How do I program the PIC18F4520?
You can program the PIC18F4520 using MPLAB X IDE and a programmer/debugger like PICkit or ICD. The device supports in-circuit serial programming (ICSP) and can be programmed in the target circuit.
What is the maximum clock frequency?
The PIC18F4520 can operate at up to 40 MHz with an external oscillator. This gives a maximum instruction throughput of 10 MIPS (million instructions per second).
What supply voltage does the PIC18F4520 require?
The operating voltage range is 2.0 V to 5.5 V, making it suitable for both 3.3 V and 5 V systems. The ADC module has a separate reference voltage input.
What are the main features of the PIC18F4520?
Key features include 32 KB flash, 1536 bytes RAM, 256 bytes EEPROM, 13-channel 10-bit ADC, four timers, two PWM modules, and multiple serial interfaces (USART, SPI, I2C).
How can I reduce power consumption?
The PIC18F4520 offers several power-saving modes, including Sleep, Idle, and Run modes. By disabling unused peripherals and using the WD-Timer and low-frequency oscillators, you can achieve very low standby currents.
What development tools are available?
Microchip provides the free MPLAB X IDE and XC8 compiler. Hardware tools include PICkit programmers, ICD debuggers, and evaluation boards like the PIC18F4520 Development Board.
Is the PIC18F4520 suitable for beginners?
Yes, it is widely used in education and hobby projects. Its large documentation, extensive examples, and support from Microchip make it a good choice for learning embedded C and assembly programming.
What is the difference between the PIC18F4520 and the PIC18F452?
The PIC18F4520 is an enhanced version of the PIC18F452, with more RAM (1536 vs 768 bytes) and additional peripherals, such as an improved ADC and extra timer features. It also supports 40 MHz operation.
Where can I find more information or the datasheet?
The full 280-page manual is available for free on notice-facile.com. You can also visit Microchip's official website to download the current datasheet and application notes.
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Product information
Brand : Microchip
Model : PIC18F4520
Category : Microcontroller