Datasheet

PIC18CXX2
DS39026D-page 160  1999-2013 Microchip Technology Inc.
FIGURE 15-6: SYNCHRONOUS TRANSMISSION
FIGURE 15-7: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
Bit 0 Bit 1 Bit 7
Word 1
Q1Q2 Q3Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2 Q3 Q4Q1 Q2 Q3Q4 Q3Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4Q1 Q2 Q3 Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4
Bit 2 Bit 0 Bit 1 Bit 7
RC7/RX/DT
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
(Interrupt flag)
TRMT
TXEN bit
'1' '1'
Word 2
TRMT bit
Write Word 1
Write Word 2
Note: Sync Master mode; SPBRG = '0'. Continuous transmission of two 8-bit words.
pin
RC7/RX/DT pin
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
bit0
bit1
bit2
bit6 bit7
TXEN bit