Datasheet

PIC16F72X/PIC16LF72X
DS41341E-page 16 © 2009 Microchip Technology Inc.
TABLE 1-1: PIC16F72X/PIC16LF72X PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
RA0/AN0/SS
/VCAP RA0 TTL CMOS General purpose I/O.
AN0 AN — A/D Channel 0 input.
SS
ST — Slave Select input.
V
CAP Power Power Filter capacitor for Voltage Regulator (PIC16F72X only).
RA1/AN1 RA1 TTL CMOS General purpose I/O.
AN1 AN — A/D Channel 1 input.
RA2/AN2 RA2 TTL CMOS General purpose I/O.
AN2 AN — A/D Channel 2 input.
RA3/AN3/V
REF RA3 TTL CMOS General purpose I/O.
AN3 AN — A/D Channel 3 input.
V
REF AN — A/D Voltage Reference input.
RA4/CPS6/T0CKI RA4 TTL CMOS General purpose I/O.
CPS6 AN — Capacitive sensing input 6.
T0CKI ST — Timer0 clock input.
RA5/AN4/CPS7/SS/
VCAP RA5 TTL CMOS General purpose I/O.
AN4 AN — A/D Channel 4 input.
CPS7 AN — Capacitive sensing input 7.
SS
ST — Slave Select input.
V
CAP Power Power Filter capacitor for Voltage Regulator (PIC16F72X only).
RA6/OSC2/CLKOUT/V
CAP RA6 TTL CMOS General purpose I/O.
OSC2 — XTAL Crystal/Resonator (LP, XT, HS modes).
CLKOUT — CMOS F
OSC/4 output.
V
CAP Power Power Filter capacitor for Voltage Regulator (PIC16F72X only).
RA7/OSC1/CLKIN RA7 TTL CMOS General purpose I/O.
OSC1 XTAL — Crystal/Resonator (LP, XT, HS modes).
CLKIN CMOS — External clock input (EC mode).
CLKIN ST — RC oscillator connection (RC mode).
RB0/AN12/CPS0/INT RB0 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN12 AN — A/D Channel 12 input.
CPS0 AN — Capacitive sensing input 0.
INT ST — External interrupt.
RB1/AN10/CPS1 RB1 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN10 AN — A/D Channel 10 input.
CPS1 AN — Capacitive sensing input 1.
RB2/AN8/CPS2 RB2 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN8 AN — A/D Channel 8 input.
CPS2 AN — Capacitive sensing input 2.
RB3/AN9/CPS3/CCP2 RB3 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN9 AN — A/D Channel 9 input.
CPS3 AN — Capacitive sensing input 3.
CCP2 ST CMOS Capture/Compare/PWM2.
Legend: AN = Analog input or output CMOS= CMOS compatible input or output OD = Open Drain
TTL = TTL compatible input ST = Schmitt Trigger input with CMOS levels I
2
C™ = Schmitt Trigger input with I
2
C
HV = High Voltage XTAL = Crystal levels