PIC16F76T-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F76T-I/SP

28/40-pin, 8-bit CMOS FLASH Microcontrollers

Microchip Technology 

PIC16F7X

TABLE 4-1: PORTA FUNCTIONS

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

ST 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

TABLE 4-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTA

Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3

Bit 2

Bit 1

Bit 0

Value on: Value on all

POR,

other

BOR

RESETS

05h

PORTA

—

— RA5 RA4 RA3

RA2

RA1 RA0 --0x 0000 --0u 0000

85h

TRISA

— — PORTA Data Direction Register

--11 1111 --11 1111

9Fh

ADCON1 — — —

—

— PCFG2 PCFG1 PCFG0 ---- -000 ---- -000

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

Note: When using the SSP module in SPI Slave mode and SS enabled, the A/D converter must be set to one of

the following modes where PCFG2:PCFG0 = 100, 101, 11x.

DS30325B-page 32

 2002 Microchip Technology Inc.

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