PIC16F677T-ESS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F677T-ESS

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

Microchip Technology 

PIC16F631/677/685/687/689/690

4.4.3.2

RB5/AN11/RX/DT(1, 2)

Figure 4-8 shows the diagram for this pin. The

RB5/AN11/RX/DT pin is configurable to function as one

of the following:

• a general purpose I/O

• an analog input for the ADC (except PIC16F631)

• an asynchronous serial input

• a synchronous serial data I/O

Note 1: RX and DT are available on

PIC16F687/PIC16F689/PIC16F690 only.

2: AN11 is not implemented on PIC16F631.

FIGURE 4-8:

Data Bus

DQ

WR

WPUB

CK Q

RD

WPUB

DQ

WR

PORTB

CK Q

WR

TRISB

DQ

CK Q

RD

TRISB

BLOCK DIAGRAM OF RB5

Analog(1)

Input Mode

VDD

Weak

RABPU

SYNC

SPEN

VDD

EUSART

DT 01

10

From

EUSART 01

10

Analog(1)

Input Mode

I/O Pin

VSS

RD

PORTB

DQ

WR

IOCB

CK Q

RD

IOCB

QD

EN

QD

EN

Interrupt-on-

Change

RD PORTB

To EUSART RX/DT

To A/D Converter(2)

Q3

ST

Available on PIC16F687/PIC16F689/PIC16F690 only.

Note 1: ANSEL determines Analog Input mode.

2: Not implemented on PIC16F631.

DS41262E-page 72

© 2008 Microchip Technology Inc.

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