PIC16F720-ESLASHML datasheet(11/244 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS41430A-page 11

PIC16F/LF720/721

TABLE 1-1:

PINOUT DESCRIPTION

Name

Function

OUT

Description

RA0/AN0/ICSPDAT

RA0

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN0

—

A/D Channel 0 Input.

ICSPDAT

CMOS

Serial mode Schmitt Trigger.

ICDDAT

CMOS

Debug mode Schmitt Trigger.

RA1/AN1/ICSPCLK

RA1

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN1

—

A/D Channel 1 Input.

ICSPCLK

—

Serial mode Schmitt Trigger.

ICDCLK

CMOS

Debug mode Schmitt Trigger.

RA2/AN2/T0CKI/INT

RA2

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN2

—

A/D Channel 2 Input.

T0CKI

—

Timer0 Clock Input.

INT

—

External interrupt.

RA3/MCLR/VPP

RA3

TTL

CMOS

General purpose input only. Individually controlled interrupt-on-

change. Individually enabled pull-up.

MCLR

—

Master Clear Reset. Pull-up enabled when configured as

MCLR.

VPP

—

Programming Voltage.

RA4/AN3/T1G/CLKOUT

RA4

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN3

—

A/D Channel 3 Input.

T1G

—

Timer1 Gate Input.

CLKOUT

—

CMOS

FOSC/4 output.

RA5/T1CKI/CLKIN

RA5

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

T1CKI

—

Timer1 Clock input.

CLKIN

—

External Clock Input (EC mode).

RB4/AN10/SDI/SDA

RB4

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN10

—

A/D Channel 10 Input.

SDI

—

SPI Data Input.

SDA

I2C™ Data.

RB5/AN11/RX/DT

RB5

TTL

CMOS

General purpose I/O. Individually controlled interrupt-on-

change.

Individually enabled pull-up.

AN11

—

A/D Channel 11 Input.

—

USART asynchronous input.

CMOS

USART synchronous data.

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, I2C™ = Schmitt Trigger input with I2C, HV = High Voltage,

XTAL = Crystal levels

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