Datasheet

PIC16C77X
DS30275B-page 108 Advance Information  1999-2013 Microchip Technology Inc.
FIGURE 9-9: SYNCHRONOUS TRANSMISSION
FIGURE 9-10: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
Bit 0 Bit 1 Bit 7
WORD 1
Q1Q2 Q3Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2 Q3Q4 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4
Bit 2 Bit 0 Bit 1 Bit 7
RC7/RX/DT pin
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
(Interrupt flag)
TRMT
TXEN bit
'1' '1'
Note: Sync master mode; SPBRG = '0'. Continuous transmission of two 8-bit words.
WORD 2
TRMT bit
Write word1
Write word2
RC7/RX/DT pin
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
bit0
bit1
bit2
bit6 bit7
TXEN bit
774.book Page 108 Tuesday, January 29, 2013 12:02 PM