PIC16C72 datasheet(20/128 Pages) MICROCHIP

Nome de Peças	PIC16C72

Descrição Electrónicos	8-Bit CMOS Microcontrollers with A/D Converter

PDF	128 Pages

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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20 / 128 page

PIC16C72 Series

DS39016B-page 20

Preliminary

 1998-2013 Microchip Technology Inc.

TABLE 3-1

PORTA FUNCTIONS

TABLE 3-2

SUMMARY OF REGISTERS ASSOCIATED WITH PORTA

Name

Bit#

Buffer

Function

RA0/AN0

bit0

TTL

Input/output or analog input

RA1/AN1

bit1

TTL

Input/output or analog input

RA2/AN2

bit2

TTL

Input/output or analog input

RA3/AN3/VREF

bit3

TTL

Input/output or analog input or VREF

RA4/T0CKI

bit4

Input/output or external clock input for Timer0

Output is open drain type

RA5/SS/AN4

bit5

TTL

Input/output or slave select input for synchronous serial port or analog input

Legend: TTL = TTL input, ST = Schmitt Trigger input

Address Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on:

POR,

BOR

Value on all

other resets

05h

PORTA

—

RA5

RA4

RA3

RA2

RA1

RA0

--0x 0000

--0u 0000

85h

TRISA

—

PORTA Data Direction Register

--11 1111

9Fh

ADCON1

—

—PCFG2

PCFG1

PCFG0

---- -000

Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells are not used by PORTA.

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