Datasheet

PIC12(L)F1571/2
DS40001723D-page 10 2013-2015 Microchip Technology Inc.
TABLE 1-2: PIC12(L)F1571/2 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
RA0/AN0/C1IN+/DACOUT/
TX
(2)
/CK
(2)
/CWG1B/PWM2/
ICSPDAT/ICDDAT
RA0
(3) (4)
General purpose I/O.
AN0 ADC channel input.
C1IN+ Comparator positive input.
DACOUT Digital-to-Analog Converter output.
TX USART asynchronous transmit.
CK USART synchronous clock.
CWG1B CWG complementary output.
PWM2 PWM output.
ICSPDAT ICSP™ data I/O.
ICDDAT In-circuit debug data.
RA1/AN1/V
REF+/C1IN0-/RX
(2)
/
DT
(2)
/PWM1/ICSPCLK/ICDCLK
RA1
(3) (4)
General purpose I/O.
AN1 ADC channel input.
V
REF+ ADC Voltage Reference input.
C1IN0- Comparator negative input.
RX USART asynchronous input.
DT USART synchronous data.
PWM1 PWM output.
ICSPCLK ICSP programming clock.
ICDCLK In-circuit debug clock.
RA2/AN2/C1OUT/T0CKI/
CWG1FLT
/CWG1A/PWM3/INT
RA2
(3) (4)
General purpose I/O.
AN2 ADC channel input.
C1OUT Comparator output.
T0CKI Timer0 clock input.
CWG1FLT Complementary Waveform Generator Fault input.
CWG1A CWG complementary output.
PWM3 PWM output.
INT External interrupt.
RA3/V
PP/T1G
(1)
/MCLR RA3
(3) (4)
General purpose input with IOC and WPU.
V
PP Programming voltage.
T1G Timer1 gate input.
MCLR
Master Clear with internal pull-up.
RA4/AN3/C1IN1-/T1G/TX
(1,2)
/
CK
(1,2)
/CWG1B
(1)
/PWM2
(1)
/
CLKOUT
RA4
(3) (4)
General purpose I/O.
AN3 ADC channel input.
C1IN1- Comparator negative input.
T1G Timer1 gate input.
TX USART asynchronous transmit.
CK USART synchronous clock.
CWG1B CWG complementary output.
PWM2 PWM output.
CLKOUT F
OSC/4 output.
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
Note 1: Alternate pin function selected with the APFCON (Register 11-1) register.
2: PIC12(L)F1572 only.
3: Input type is selected by the port.
4: Output type is selected by the port.