PIC16F688 Datasheet, PDF (87/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
FIGURE 10-1:
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
Edge #4
Bit 4 ^{Bit 5} Bit 6 ^{Bit 7}
001Ch
Edge #5
Stop Bit
BRG Clock
Set by User
ABDEN bit
RCIDL
RCIF bit
(Interrupt)
Read
RCREG
SPBRG
SPBRGH
XXXXh
XXXXh
Note 1: The ABD sequence requires the USART module to be configured in Asynchronous mode and WUE = 0.
Auto Cleared
1Ch
00h
 2004 Microchip Technology Inc.
Preliminary
DS41203B-page 85