PIC16F7X7 datasheet(66/276 Pages) MICROCHIP

66 / 276 page

PIC16F7X7

DS30498C-page 64

 2004 Microchip Technology Inc.

TABLE 5-3:

PORTB FUNCTIONS

TABLE 5-4:

SUMMARY OF REGISTERS ASSOCIATED WITH PORTB

Name

Bit#

Buffer

Function

RB0/INT/AN12

bit 0

TTL/ST(1) Input/output pin or external interrupt input. Internal software

programmable weak pull-up or analog input.

RB1/AN10

bit 1

TTL

Input/output pin. Internal software programmable weak pull-up or

analog input.

RB2/AN8

bit 2

TTL

Input/output pin. Internal software programmable weak pull-up or

analog input.

RB3/CCP2/AN9

bit 3

TTL

Input/output pin or Capture 2 input/Compare 2 output/PWM 2 output.

Internal software programmable weak pull-up or analog input.

RB4/AN11

bit 4

TTL

Input/output pin (with interrupt-on-change). Internal software

programmable weak pull-up or analog input.

RB5/AN13/CCP3

bit 5

TTL

Input/output pin (with interrupt-on-change). Internal software

programmable weak pull-up or analog input or Capture 2 input/

Compare 2 output/PWM 2 output.

RB6/PGC

bit 6

TTL/ST(2) Input/output pin (with interrupt-on-change). Internal software

programmable weak pull-up. Serial programming clock.

RB7/PGD

bit 7

TTL/ST(2) Input/output pin (with interrupt-on-change). Internal software

programmable weak pull-up. Serial programming data.

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

Note 1:

This buffer is a Schmitt Trigger input when configured as the external interrupt.

This buffer is a Schmitt Trigger input when used in Serial Programming mode.

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

06h, 106h

PORTB

RB7

RB6

RB5

RB4

RB3

RB2

RB1

RB0

xx00 0000 uu00 0000

86h, 186h

TRISB

PORTB Data Direction Register

1111 1111 1111 1111

81h, 181h

OPTION_REG RBPU

INTEDG

T0CS

T0SE

PSA

PS2

PS1

PS0

1111 1111 1111 1111

9Fh

ADCON1

ADFM

ADCS2

VCFG1

VCFG0

PCFG3 PCFG2 PCFG1 PCFG0 0000 0000 0000 0000

Legend:

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

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