PIC16C711-10/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C711-10/SP

8-Bit CMOS Microcontrollers with A/D Converter

Microchip Technology 

PIC16C71X

TABLE 5-1: 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/VREF

RA4/T0CKI

bit4

ST

Input/output or external clock input for Timer0

Output is open drain type

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

TABLE 5-2: 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:

POR,

BOR

Value on all

other resets

05h

PORTA

——

—

RA4 RA3

RA2

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

85h

TRISA

——

—

PORTA Data Direction Register

---1 1111 ---1 1111

9Fh

ADCON1

——

—

—

—

—

PCFG1 PCFG0 ---- --00 ---- --00

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

DS30272A-page 26

© 1997 Microchip Technology Inc.

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