Datasheet

© 2008 Microchip Technology Inc. DS41262E-page 17
PIC16F631/677/685/687/689/690
RB7 RB7 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
RC0/AN4/C2IN+ RC0 ST CMOS General purpose I/O.
AN4 AN — A/D Channel 4 input.
C2IN+ AN — Comparator C2 non-inverting input.
RC1/AN5/C12IN1- RC1 ST CMOS General purpose I/O.
AN5 AN — A/D Channel 5 input.
C12IN1- AN — Comparator C1 or C2 inverting input.
RC2/AN6/C12IN2- RC2 ST CMOS General purpose I/O.
AN6 AN — A/D Channel 6 input.
C12IN2- AN — Comparator C1 or C2 inverting input.
RC3/AN7/C12IN3- RC3 ST CMOS General purpose I/O.
AN7 AN — A/D Channel 7 input.
C12IN3- AN — Comparator C1 or C2 inverting input.
RC4/C2OUT RC4 ST CMOS General purpose I/O.
C2OUT — CMOS Comparator C2 output.
RC5 RC5 ST CMOS General purpose I/O.
RC6/AN8/SS
RC6 ST CMOS General purpose I/O.
AN8 AN — A/D Channel 8 input.
SS
ST — Slave Select input.
RC7/AN9/SDO RC7 ST CMOS General purpose I/O.
AN9 AN — A/D Channel 9 input.
SDO — CMOS SPI data output.
V
SS VSS Power — Ground reference.
V
DD VDD Power — Positive supply.
TABLE 1-2: PINOUT DESCRIPTION – PIC16F677 (CONTINUED)
Name Function
Input
Type
Output
Type
Description
Legend: AN = Analog input or output CMOS = CMOS compatible input or output
TTL = TTL compatible input ST = Schmitt Trigger input with CMOS levels
HV = High Voltage XTAL = Crystal