PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 108
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PIC16C774
Manufacturer Part Number
PIC16C774
Description
28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C774.pdf
(201 pages)
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PIC16C77X
FIGURE 9-9:
FIGURE 9-10: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
DS30275A-page 108
RC7/RX/DT pin
RC6/TX/CK pin
TXREG reg
Write to
(Interrupt flag)
TXEN bit
TRMT bit
TXIF bit
TRMT
RC7/RX/DT pin
RC6/TX/CK pin
Q1Q2 Q3Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2 Q3Q4
’1’
TXREG reg
Note: Sync master mode; SPBRG = ’0’. Continuous transmission of two 8-bit words.
TRMT bit
TXEN bit
TXIF bit
Write to
Write word1
SYNCHRONOUS TRANSMISSION
Bit 0
Write word2
WORD 1
Bit 1
bit0
Advance Information
Bit 2
bit1
Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4
Bit 7
bit2
Bit 0
WORD 2
Bit 1
bit6
1999 Microchip Technology Inc.
bit7
Bit 7
’1’