PIC18LF4420T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4420T-I/SO

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

Microchip Technology 

PIC18F2420/2520/4420/4520

FIGURE 18-1:

AUTOMATIC BAUD RATE CALCULATION

BRG Value

XXXXh

RX pin

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

XXXXh

SPBRGH

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

DS39631A-page 210

Preliminary

 2004 Microchip Technology Inc.

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