PIC16C745T View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

PIC16C745T

8-Bit CMOS Microcontrollers with USB

Microchip Technology 

PIC16C745/765

TABLE 5-3: PORTB FUNCTIONS

Name

Function

Input

Type

RB0/INT

RB0

TTL

INT

ST

RB1

RB1

TTL

RB2

RB2

TTL

RB3

RB3

TTL

RB4

RB4

TTL

RB5

RB5

TTL

RB6/ICSPC

RB6

TTL

ICSPC

ST

RB7/ICSPD

RB7

TTL

ICSPD

ST

Legend: OD = open drain, ST = Schmitt Trigger

Output

Type

Description

CMOS

—

CMOS

CMOS

CMOS

CMOS

CMOS

Bi-directional I/O

Interrupt

Bi-directional I/O

Bi-directional I/O

Bi-directional I/O

Bi-directional I/O with Interrupt on Change

Bi-directional I/O with Interrupt on Change

CMOS

CMOS

CMOS

Bi-directional I/O with Interrupt on Change

In-Circuit Serial Programming Clock input

Bi-directional I/O with Interrupt on Change

In-Circuit Serial Programming Data I/O

TABLE 5-4: SUMMARY OF REGISTERS ASSOCIATED WITH PORTB

Address

Name

Bit 7

Bit 6

Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Value on:

POR,

BOR

06h, 106h PORTB

RB7

RB6

RB5 RB4 RB3 RB2 RB1 RB0 xxxx xxxx

86h, 186h TRISB

PORTB Data Direction Register

1111 1111

81h, 181h OPTION_REG RBPU INTEDG T0CS T0SE PSA PS2 PS1 PS0 1111 1111

Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTB.

Value on all

other resets

uuuu uuuu

1111 1111

1111 1111

DS41124A-page 34

Advanced Information

© 1999 Microchip Technology Inc.

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