Friday, August 14, 2009

PIC16F877A Pin Description and features


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

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