Datasheet

ManualsBrandsMicrochip ManualsEmbedded Processors & ControllersPIC16 Microcontroller 8bit 7KB SSOP

 2005-2015 Microchip Technology Inc. DS40001262F-page 3

PIC16F631/677/685/687/689/690

PIC16F677 Pin Diagram

TABLE 2: PIC16F631 PIN SUMMARY

I/O Pin Analog Comparators Timers Interrupt Pull-up Basic

RA0 19 AN0/ULPWU C1IN+ — IOC Y ICSPDAT

RA1 18 AN1 C12IN0- — IOC Y ICSPCLK

RA2 17 — C1OUT T0CKI IOC/INT Y —

RA3 4 — — — IOC Y

(1)

MCLR/VPP

RA4 3 — — T1G IOC Y OSC2/CLKOUT

RA5 2 — — T1CKI IOC Y OSC1/CLKIN

RB4 13 — — — IOC Y —

RB5 12 — — — IOC Y —

RB6 11 — — — IOC Y —

RB7 10 — — — IOC Y —

RC0 16 AN4 C2IN+ — — — —

RC1 15 AN5 C12IN1- — — — —

RC2 14 AN6 C12IN2- — — — —

RC3 7 AN7 C12IN3- — — — —

RC4 6 — C2OUT — — — —

RC55— ———— —

RC6 8 — — — — — —

RC79— ———— —

— 1 — — — — — VDD

—20— ———— VSS

Note 1: Pull-up enabled only with external MCLR configuration.

20-pin PDIP, SOIC, SSOP

PIC16F677

VDD

RA5/T1CKI/OSC1/CLKIN

RA4/AN3/T1G

/OSC2/CLKOUT

RA3/MCLR

/VPP

RC5

RC4/C2OUT

RC3/AN7C12IN3-

RC6/AN8/SS

RC7/AN9/SDO

RB7

VSS

RA0/AN0/C1IN+/ICSPDAT/ULPWU

RA1/AN1/C12IN0-/V

REF/ICSPCLK

RA2/AN2/T0CKI/INT/C1OUT

RC0/AN4/C2IN+

RC1/AN5/C12IN1-

RC2/AN6/C12IN2-

RB4/AN10/SDI/SDA

RB5/AN11

RB6/SCK/SCL