PIC18LF4682-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4682-I/ML

28/40/44-Pin Enhanced Flash Microcontrollers with ECAN™ Technology, 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2682/2685/4682/4685

FIGURE 18-1:

AUTOMATIC BAUD RATE CALCULATION

BRG Value

RX pin

XXXXh

0000h

Start

Edge #1

bit 0 bit 1

Edge #2

bit 2 bit 3

Edge #3

bit 4 bit 5

Edge #4

bit 6 bit 7

001Ch

Edge #5

Stop bit

BRG Clock

Set by User

ABDEN bit

RCIF bit

(Interrupt)

Read

RCREG

SPBRG

SPBRGH

XXXXh

XXXXh

Note: The ABD sequence requires the EUSART module to be configured in Asynchronous mode and WUE = 0.

Auto-Cleared

1Ch

00h

FIGURE 18-2:

BRG OVERFLOW SEQUENCE

BRG Clock

ABDEN bit

RX pin

ABDOVF bit

BRG Value

XXXXh

Start

bit 0

0000h

FFFFh

0000h

© 2007 Microchip Technology Inc.

Preliminary

DS39761B-page 235

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