PIC16 datasheet(9/418 Pages) MICROCHIP

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DS40001609C-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

—

ADC Channel input.

C1IN+

—

Comparator positive input.

DAC1OUT1

—

Digital-to-Analog Converter output.

ICSPDAT

CMOS ICSP™ Data I/O.

ICDDAT

CMOS In-Circuit Debug data.

RA1/AN1/CLC4IN1/VREF+/

C1IN0-/C2IN0-/ICSPCLK/

ICDCLK

RA1

TTL

CMOS General purpose I/O.

AN1

—

ADC Channel input.

CLC4IN1

—

Configurable Logic Cell source input.

VREF+

—

ADC Positive Voltage Reference input.

C1IN0-

—

Comparator negative input.

C2IN0-

—

Comparator negative input.

ICSPCLK

—

ICSP Programming Clock.

ICDCLK

—

In-Circuit Debug Clock.

RA2/AN2/C1OUT/DAC1OUT2/

T0CKI/INT/PWM3/CLC1/

CWG1FLT

RA2

CMOS General purpose I/O.

AN2

—

ADC Channel input.

C1OUT

—

CMOS Comparator output.

DAC1OUT2

—

Digital-to-Analog Converter output.

T0CKI

—

Timer0 clock input.

INT

—

External interrupt.

PWM3

—

CMOS PWM output.

CLC1

—

CMOS Configurable Logic Cell source output.

CWG1FLT

—

Complementary Waveform Generator Fault input.

RA3/CLC1IN0/VPP/T1G(1)/SS(1)/

MCLR

RA3

TTL

—

General purpose input with IOC and WPU.

CLC1IN0

—

Configurable Logic Cell source input.

VPP

—

Programming voltage.

T1G

—

Timer1 Gate input.

—

Slave Select input.

MCLR

—

Master Clear with internal pull-up.

RA4/AN3/SOSCO/

CLKOUT/T1G

RA4

TTL

CMOS General purpose I/O.

AN3

—

ADC Channel input.

SOSCO

XTAL

Secondary Oscillator Connection.

CLKOUT

—

CMOS FOSC/4 output.

T1G

—

Timer1 Gate input.

RA5/CLKIN/T1CKI/NCO1CLK/

SOSCI

RA5

TTL

CMOS General purpose I/O.

CLKIN

CMOS

—

External clock input (EC mode).

T1CKI

—

Timer1 clock input.

NCO1CLK

—

Numerically Controlled Oscillator Clock source input.

SOSCI

XTAL

Secondary Oscillator Connection.

Legend: AN = Analog input or output CMOS= CMOS compatible input or output

= Open Drain

TTL = TTL compatible input

= Schmitt Trigger input with CMOS levels I2C™ = Schmitt Trigger input with I2C

HV = High Voltage

XTAL = Crystal

levels

Note 1: Alternate pin function selected with the APFCON (Register 11-1) register.

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