Microchip

PIC16F876 - 8 bit Microcontroller with 8 Bytes Flash Program Memory and A/D

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Features 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 - 8 k Bytes Flash Program Memory - 368 Byte RAM Data Memory - 256 Byte EEPROM Data Memory - In-circuit serial programming Peripheral Features - Two 8-bit timer/counter(TMR0,TMR2) with 8-bit programmable prescalar - One 16 bit timer/counter(TMR1) - Two Capture, Compare, PWM module - 10-bit, 5-channel Analog-to-Digital converter - Synchronous Serial Port (SSP) with SPI (Master mode) and I2C (Master/Slave) - Universal Synchronous Asynchronous Receiver Transmitter with 9-bit address detection - Two Analog Comparators - Watchdog Timer (WDT) with separate RC oscillator Special Microcontroller Features - 100,000 erase/write cycle Enhanced FLASH program memory - 1,000,000 erase/write cycle Data EEPROM memory typical - Power saving SLEEP mode - Programmable code protection - Selectable Oscillator Options - Self-reprogrammable under software control 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

Pin Description Pin Number Description 1 MCLR - Master clear input (active low) 2 RA0/AN0 - Port A 3 RA1/AN1 - Port A 4 RA2/AN2/Vref/CVref - Port A 5 RA3/AN3/Vref - Port A 6 RA4/TOCK1/C1OUT - Port A 7 RA5/AN4/SS/C2OUT - Port A 8 Vss - Ground 9 OSC1/CLKIN - Oscillator 10 OSC2/CLKOUT - Osciallator 11 RC0/T1OSO/T1CKI - Port C 12 RC1/T1OSI/CCP2 - Port C 13 RC2/CCP1 - Port C 14 RC3/SCK/SCL - Port C 15 RC4/SDI/SDO - Port C 16 RC5/SDO - Port C 17 RC6/TX/CK - Port C 18 RC7/RX/DT - Port C 19 Vss - Ground 20 Vdd - Positive Power Supply 21 RB0/INT - Port B 22 RB1 - Port B 23 RB2 - Port B 24 RB3/PGM - Port B 25 RB4 - Port B 26 RB5 - Port B 27 RB6/PGC - Port B 28 RB7/PGD - Port B

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC16F876 Application Notes Microchip - PIC Application Notes