PIC18FXX20 Datasheet, PDF (211/366 Pages) Microchip Technology – 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers with A/D

PIC18FXX20
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
RC7/RX1/DT1
pin
RC6/TX1/CK1
pin
bit 0
bit 1
bit 2
Word 1
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
Write Word1
Write Word2
TRM^TT^Rb^Mit^T
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
bit 7
bit 0
bit 1
bit 7
Word 2
TXEN bit ^'1'
'1'
Note: Sync Master mode; SPBRG = 0. Continuous transmission of two 8-bit words.
FIGURE 18-7:
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
RC7/RX1/DT1 pin
bit0
bit1
bit2
bit6
bit7
RC6/TX1/CK1 pin
Write to
TXREG reg
TXIF bit
TRMT bit
TXEN bit
 2003 Microchip Technology Inc.
Advance Information
DS39609A-page 209