PIC16F631 Datasheet, PDF (170/294 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
FIGURE 12-9:
Write to TXREG
BRG Output
(Shift Clock)
TX (pin)
TXIF bit
(Transmit
interrupt Flag)
TRMT bit
(Transmit Shift
Reg. Empty Flag)
SENDB
(send Break
control bit)
SEND BREAK CHARACTER SEQUENCE
Dummy Write
Start bit
bit 0
bit 1
Break
SENDB Sampled Here
bit 11 Stop bit
Auto Cleared
DS41262D-page 168
© 2007 Microchip Technology Inc.