PIC16F873A Microcontroller

Special Microcontroller Features

• 100,000 erase/write cycle Enhanced Flash program memory typical
• Self-reprogrammable under software control
• Single-supply 5V In-Circuit Serial Programming
• Watchdog Timer (WDT) with its own on-chip RC oscillatpr
• Programmable Code Protection
• Power-Saving Sleeping mode 

Peripheral Features

• Two 8-bit (TMR0, TMR2)timer/counter with Prescalar
• One 16-bit timer/counter
• Brown-out detection circuitry
• Parallel Slave Port (PSP): 40/44 pin-device only

High-Performance RISC CPU

• Only 35 single-word instructions to learn
• DC-20MHz clock input
• Up to 8K x 14 words of Flash Program Memory
• Pinout Compatible to other 28-pin or 40/44-pin

Analog Features

• 10-bit, up to 8-channel Analog-to-Digital Converter (A/D)
• Brown-out Reset(BOR)
• Two analog comparators
• Programmable on-chip voltage reference (VREF) module 

CMOS Technology

• Low-power, high-speed Flsh/EEPROM technology
• Fully ststic design
• Wide operating voltage range (2.0V to 5.5V)
• Low-power consumption