PIC18FXX8 Datasheet, PDF (196/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

PIC18FXX8
FIGURE 18-6:
SYNCHRONOUS TRANSMISSION
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
RC7/RX/DT
bit 0
bit 1
bit 2
bit 7
bit 0
bit 1
bit 7
pin
Word 1
Word 2
RC6/TX/CK
pin
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
Write Word 1
Write Word 2
TRMT bit^TRMT
‘1’
‘1’
TXEN bit
Note: Sync Master mode; SPBRG = 0; continuous transmission of two 8-bit words.
FIGURE 18-7:
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
RC7/RX/DT pin
bit 0
bit 1
bit 2
bit 6
bit 7
RC6/TX/CK pin
Write to
TXREG Reg
TXIF bit
TRMT bit
TXEN bit
DS41159D-page 194
 2004 Microchip Technology Inc.