PIC16LF627A-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LF627A-I/ML

Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F627A/628A/648A

TABLE 5-3: PORTB FUNCTIONS

Name

Function Input Type

Output

Type

Description

RB0/INT

RB0

TTL

CMOS Bidirectional I/O port. Can be software programmed for

internal weak pull-up.

RB1/RX/DT

RB2/TX/CK

RB3/CCP1

RB4/PGM

INT

RB1

RX

DT

RB2

TX

CK

RB3

CCP1

RB4

PGM

RB5

RB5

RB6/T1OSO/T1CKI/

PGC

RB7/T1OSI/PGD

RB6

T1OSO

T1CKI

PGC

RB7

T1OSI

PGD

Legend: O = Output

— = Not used

TTL = TTL Input

ST

—

External interrupt

TTL

CMOS Bidirectional I/O port. Can be software programmed for

internal weak pull-up.

ST

—

USART Receive Pin

ST

CMOS Synchronous data I/O

TTL

CMOS Bidirectional I/O port

—

CMOS USART Transmit Pin

ST

CMOS Synchronous Clock I/O. Can be software programmed

for internal weak pull-up.

TTL

CMOS Bidirectional I/O port. Can be software programmed for

internal weak pull-up.

ST

CMOS Capture/Compare/PWM/I/O

TTL

CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be

software programmed for internal weak pull-up.

ST

—

Low-voltage programming input pin. When low-voltage

programming is enabled, the interrupt-on-pin change

and weak pull-up resistor are disabled.

TTL

CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be

software programmed for internal weak pull-up.

TTL

CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be

software programmed for internal weak pull-up.

—

XTAL Timer1 Oscillator Output

ST

—

Timer1 Clock Input

ST

—

ICSP™ Programming Clock

TTL

CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be

software programmed for internal weak pull-up.

XTAL

—

Timer1 Oscillator Input

ST

CMOS ICSP Data I/O

CMOS = CMOS Output

I

= Input

OD = Open Drain Output

P = Power

ST = Schmitt Trigger Input

AN = Analog

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

Value on

All Other

Resets

06h, 106h PORTB RB7

RB6

RB5 RB4(1) RB3

RB2

RB1

RB0 xxxx xxxx uuuu uuuu

86h, 186h TRISB TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 1111 1111 1111 1111

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

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

Note 1: LVP configuration bit sets RB4 functionality.

© 2007 Microchip Technology Inc.

DS40044F-page 43

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