Datasheet

PIC12F629/675
DS41190E-page 6 © 2007 Microchip Technology Inc.
TABLE 1-1: PIC12F629/675 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
GP0/AN0/CIN+/ICSPDAT GP0 TTL CMOS Bi-directional I/O w/ programmable pull-up and
interrupt-on-change
AN0 AN A/D Channel 0 input
CIN+ AN Comparator input
ICSPDAT TTL CMOS Serial programming I/O
GP1/AN1/CIN-/VREF/
ICSPCLK
GP1 TTL CMOS Bi-directional I/O w/ programmable pull-up and
interrupt-on-change
AN1 AN A/D Channel 1 input
CIN- AN Comparator input
VREF AN External voltage reference
ICSPCLK ST Serial programming clock
GP2/AN2/T0CKI/INT/COUT GP2 ST CMOS Bi-directional I/O w/ programmable pull-up and
interrupt-on-change
AN2 AN A/D Channel 2 input
T0CKI ST TMR0 clock input
INT ST External interrupt
COUT CMOS Comparator output
GP3/MCLR/VPP GP3 TTL Input port w/ interrupt-on-change
MCLR ST Master Clear
VPP HV Programming voltage
GP4/AN3/T1G/OSC2/
CLKOUT
GP4 TTL CMOS Bi-directional I/O w/ programmable pull-up and
interrupt-on-change
AN3 AN A/D Channel 3 input
T1G ST TMR1 gate
OSC2 XTAL Crystal/resonator
CLKOUT CMOS FOSC/4 output
GP5/T1CKI/OSC1/CLKIN GP5 TTL CMOS Bi-directional I/O w/ programmable pull-up and
interrupt-on-change
T1CKI ST TMR1 clock
OSC1 XTAL Crystal/resonator
CLKIN ST External clock input/RC oscillator connection
VSS VSS Power Ground reference
VDD VDD Power Positive supply
Legend: Shade = PIC12F675 only
TTL = TTL input buffer, ST = Schmitt Trigger input buffer