Datasheet

 2011-2013 Microchip Technology Inc. DS40001609B-page 9
PIC16(L)F1508/9
TABLE 1-2: PIC16(L)F1508/9 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
RA0/AN0/C1IN+/DAC1OUT1/
ICSPDAT/ICDDAT
RA0 TTL CMOS General purpose I/O.
AN0 AN — ADC Channel input.
C1IN+ AN — Comparator positive input.
DAC1OUT1 — AN Digital-to-Analog Converter output.
ICSPDAT ST CMOS ICSP™ Data I/O.
ICDDAT ST CMOS In-Circuit Debug data.
RA1/AN1/CLC4IN1/V
REF+/
C1IN0-/C2IN0-/ICSPCLK/
ICDCLK
RA1 TTL CMOS General purpose I/O.
AN1 AN — ADC Channel input.
CLC4IN1 ST — Configurable Logic Cell source input.
V
REF+ AN — ADC Positive Voltage Reference input.
C1IN0- AN — Comparator negative input.
C2IN0- AN — Comparator negative input.
ICSPCLK ST — ICSP Programming Clock.
ICDCLK ST — In-Circuit Debug Clock.
RA2/AN2/C1OUT/DAC1OUT2/
T0CKI/INT/PWM3/CLC1/
CWG1FLT
RA2 ST CMOS General purpose I/O.
AN2 AN — ADC Channel input.
C1OUT — CMOS Comparator output.
DAC1OUT2 — AN Digital-to-Analog Converter output.
T0CKI ST — Timer0 clock input.
INT ST — External interrupt.
PWM3 — CMOS PWM output.
CLC1 — CMOS Configurable Logic Cell source output.
CWG1FLT
ST — Complementary Waveform Generator Fault input.
RA3/CLC1IN0/V
PP/T1G
(1)
/SS
(1)
/
MCLR
RA3 TTL — General purpose input with IOC and WPU.
CLC1IN0 ST — Configurable Logic Cell source input.
V
PP HV — Programming voltage.
T1G ST — Timer1 Gate input.
SS
ST — Slave Select input.
MCLR
ST — Master Clear with internal pull-up.
RA4/AN3/SOSCO/
CLKOUT/T1G
RA4 TTL CMOS General purpose I/O.
AN3 AN — ADC Channel input.
SOSCO XTAL XTAL Secondary Oscillator Connection.
CLKOUT — CMOS F
OSC/4 output.
T1G ST — Timer1 Gate input.
RA5/CLKIN/T1CKI/NCO1CLK/
SOSCI
RA5 TTL CMOS General purpose I/O.
CLKIN CMOS — External clock input (EC mode).
T1CKI ST — Timer1 clock input.
NCO1CLK ST — Numerically Controlled Oscillator Clock source input.
SOSCI XTAL XTAL Secondary Oscillator Connection.
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.