PIC16F688-I/ST View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F688-I/ST

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

Microchip Technology 

PIC16F688

FIGURE 10-2:

EUSART RECEIVE BLOCK DIAGRAM

SPEN

CREN

OERR

RCIDL

RX/DT pin

Pin Buffer

and Control

Data

Recovery

Baud Rate Generator

BRG16

+1

SPBRGH SPBRG

FOSC

÷n

Multiplier x4 x16 x64 n

SYNC 1 X 0 0 0

BRGH X 1 1 0 0

BRG16 X 1 0 1 0

The operation of the EUSART module is controlled

through three registers:

• Transmit Status and Control (TXSTA)

• Receive Status and Control (RCSTA)

• Baud Rate Control (BAUDCTL)

These registers are detailed in Register 10-1,

Register 10-2 and Register 10-3, respectively.

MSb

Stop (8)

RSR Register

7 ••• 1

LSb

0 START

RX9

FERR

RX9D

RCREG Register

FIFO

8

Data Bus

RCIF

RCIE

Interrupt

DS41203D-page 84

© 2007 Microchip Technology Inc.

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