PIC16F873A (4kB Microcontroller)

High-Performance RISC CPU

• - Only 35 single word instructions to learn
• - All instructions are single cycle (1µs) except for program branches
• - Operating speed: DC - 20MHz clock input
• - 4 kBytes Flash Program Memory
• - 192 Byte RAM Data Memory
• - 128 Byte EEPROM Data Memory
• - In-circuit Serial Programming
• - Interrupt Capability (up to 10 sources)

Peripheral Features

• - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar
• - One 16 bit timer/counter
• - High current source/sink for direct LED drive
• - Two Capture, Compare, PWM Modules
• - Synchronous Serial Port with SPI and I²C
• - Five Channel, 10-bit Analog to Digital Converter
• - Universal Synchronous Asynchronous Receiver Transmitter (USART)

Special Microcontroller Features

• - Power-On Reset
• - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
• - Watchdog Timer with separate RC oscillator
• - 1,000 erase/write cycles Enhanced Flash Program Memory
• - 1,000,000 typical erase/write cycles EEPROM Data Memory
• - Selectable Oscillator Options

CMOS Technology

• - Low power, high speed CMOS FLASH technology
• - Fully Static Design
• - Low Power Consumption

I/O and Packages

• - 22 I/O pins with individual direction control
• - 28 pin DIP