PIC18F4520-I/P 8-Bit Flash Microcontroller with 10-Bit ADC and NanoWatt Technology DIP-40 (PIC18F4520-I/P DIP IC)
The PIC18F4520-I/P is a high-performance, 8-bit Flash-based microcontroller from Microchip's advanced PIC18 family, designed as the successor to the popular PIC18F452. Housed in a standard 40-pin DIP package, it features the enhanced "NanoWatt" technology for industry-leading power management. This IC operates on a powerful RISC architecture with 75 instructions (including a hardware 8x8 multiplier) and provides 32KB of Flash program memory, 1536 bytes of RAM, and 256 bytes of high-endurance EEPROM. Key upgrades in this model include a highly flexible internal oscillator block and improved analog peripherals, including a 13-channel 10-bit Analog-to-Digital Converter (ADC). With its balanced I/O count and processing throughput of 10 MIPS at 40MHz, it is a versatile choice for modern embedded systems.
This IC is a staple in industrial control systems, smart energy meters, and automotive comfort modules. It is an exceptionally popular component for Arduino and engineering electronics projects in India for building DIY multi-sensor data acquisition systems, complex robotics platforms, and high-memory embedded controllers that require a standard 40-pin DIP footprint for easy prototyping.
Key Features
- High-performance RISC CPU with 75 instructions (C-compiler optimized)
- Internal Oscillator Block with 8 selectable frequencies (31kHz to 8MHz)
- NanoWatt Technology for eXtreme Low Power (XLP) management
- 13-channel 10-bit Analog-to-Digital Converter (ADC)
- 32KB Flash program memory (100,000 erase/write cycles)
- 256 Bytes of high-endurance Data EEPROM (1,000,000 cycles)
- Dual Enhanced Capture/Compare/PWM (ECCP) modules
- Master Synchronous Serial Port (MSSP) supporting SPI and I2C
- Enhanced USART (EUSART) with auto-baud detect
- High current source/sink capability (25mA per I/O)
Specifications
- IC Type = 8-Bit Flash Microcontroller
- Program Memory = 32KB (16384 Words)
- Data RAM = 1536 Bytes
- Data EEPROM = 256 Bytes
- ADC Resolution = 10-Bit (13 Channels)
- Maximum Speed = 40MHz (10 MIPS)
- I/O Pins = 36 (Ports A, B, C, D, and E)
- Supply Voltage = 2.0V to 5.5V (4.2V-5.5V for full speed)
- Current Sink/Source = 25mA
- Package Type = PDIP-40
- Number of Pins = 40
- Mounting Type = Through-Hole
- Operating Temperature = -40 to 85 degrees Celsius
Interfaces
- PIN 1 (MCLR/VPP/RE3) = Master Clear / Programming Voltage
- PIN 2 to 7 (RA0 to RA5) = Port A / Analog Inputs / Vref
- PIN 8 to 10 (RE0 to RE2) = Port E / Analog Inputs / Parallel Control
- PIN 11, 32 (VDD) = Positive Supply Voltage (5V)
- PIN 12, 31 (VSS) = Ground (0V)
- PIN 13, 14 (OSC1, OSC2) = External Crystal/Oscillator Inputs
- PIN 15 to 18, 23 to 26 (RC0 to RC7) = Port C / Timers / ECCP / EUSART / SPI / I2C
- PIN 19 to 22, 27 to 30 (RD0 to RD7) = 8-Bit Port D / Enhanced PWM Outputs
- PIN 33 to 40 (RB0 to RB7) = 8-Bit Port B / Interrupt-on-change / Analog Inputs / ICSP
