PIC12F1822-ISLASHMF datasheet(15/398 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

Preliminary

DS41413A-page 15

PIC12F/LF1822/16F/LF1823

TABLE 1-3:

PIC16F/LF1823 PINOUT DESCRIPTION

Name

Function

Input

Type

Output

Type

Description

RA0/AN0/CPS0/C1IN+/

DACOUT/TX(1)/CK(1)/ICSPDAT/

ICDDAT

RA0

TTL

CMOS General purpose I/O.

AN0

—

A/D Channel 0 input.

CPS0

—

Capacitive sensing input 0.

C1IN+

—

Comparator C1 positive input.

DACOUT

—

Digital-to-Analog Converter output.

—

CMOS USART asynchronous transmit.

CMOS USART synchronous clock.

ICSPDAT

CMOS ICSP™ Data I/O.

RA1/AN1/CPS1/C12IN0-/VREF/

SRI/RX(1)/DT(1)/ICSPCLK/

ICDCLK

RA1

TTL

CMOS General purpose I/O.

AN1

—

A/D Channel 1 input.

CPS1

—

Capacitive sensing input 1.

C12IN0-

—

Comparator C1 or C2 negative input.

VREF

—

A/D and DAC Positive Voltage Reference input.

SRI

—

SR Latch input.

—

USART asynchronous input.

CMOS USART synchronous data.

ICSPCLK

—

Serial Programming Clock.

RA2/AN2/CPS2/T0CKI/INT/

C1OUT/SRQ/FLT0

RA2

TTL

CMOS General purpose I/O.

AN2

—

A/D Channel 2 input.

CPS2

—

Capacitive sensing input 2.

T0CKI

—

Timer0 clock input.

INT

—

External interrupt.

C1OUT

—

CMOS Comparator C1 output.

SRQ

—

CMOS SR Latch non-inverting output.

FLT0

—

ECCP Auto-Shutdown Fault input.

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

RA3

TTL

—

General purpose input.

—

Slave Select input.

T1G

—

Timer1 Gate input.

VPP

—

Programming voltage.

MCLR

—

Master Clear with internal pull-up.

RA4/AN3/CPS3/OSC2/

CLKOUT/T1OSO/CLKR/SDO(1)/

T1G(1)

RA4

TTL

CMOS General purpose I/O.

AN3

—

A/D Channel 3 input.

CPS3

—

Capacitive sensing input 3.

OSC2

—

CMOS Comparator C2 output.

CLKOUT

—

CMOS FOSC/4 output.

T1OSO

XTAL

Timer1 oscillator connection.

CLKR

—

CMOS Clock Reference output.

SDO

—

CMOS SPI data output.

T1G

—

Timer1 Gate input.

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:

Pin functions can be assigned to one of two pin locations via software. See APFCON register (Register 12-1).

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