Datasheet

PIC12F683
DS41211D-page 6 © 2007 Microchip Technology Inc.
TABLE 1-1: PIC12F683 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
V
DD VDD Power — Positive supply
GP5/T1CKI/OSC1/CLKIN GP5 TTL CMOS GPIO I/O with prog. pull-up and interrupt-on-change
T1CKI ST — Timer1 clock
OSC1 XTAL — Crystal/Resonator
CLKIN ST — External clock input/RC oscillator connection
GP4/AN3/T1G
/OSC2/CLKOUT GP4 TTL CMOS GPIO I/O with prog. pull-up and interrupt-on-change
AN3 AN — A/D Channel 3 input
T1G
ST — Timer1 gate
OSC2 — XTAL Crystal/Resonator
CLKOUT — CMOS F
OSC/4 output
GP3/MCLR
/VPP GP3 TTL — GPIO input with interrupt-on-change
MCLR
ST — Master Clear with internal pull-up
V
PP HV — Programming voltage
GP2/AN2/T0CKI/INT/COUT/CCP1 GP2 ST CMOS GPIO I/O with prog. pull-up and interrupt-on-change
AN2 AN — A/D Channel 2 input
T0CKI ST — Timer0 clock input
INT ST — External Interrupt
COUT — CMOS Comparator 1 output
CCP1 ST CMOS Capture input/Compare output/PWM output
GP1/AN1/CIN-/V
REF/ICSPCLK GP1 TTL CMOS GPIO I/O with prog. pull-up and interrupt-on-change
AN1 AN — A/D Channel 1 input
CIN- AN — Comparator 1 input
V
REF AN — External Voltage Reference for A/D
ICSPCLK ST — Serial Programming Clock
GP0/AN0/CIN+/ICSPDAT/ULPWU GP0 TTL CMOS GPIO I/O with prog. pull-up and interrupt-on-change
AN0 AN — A/D Channel 0 input
CIN+ AN — Comparator 1 input
ICSPDAT ST CMOS Serial Programming Data I/O
ULPWU AN — Ultra Low-Power Wake-up input
V
SS VSS Power — Ground reference
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