Datasheet

PIC16F62X
DS40300C-page 82 Preliminary  2003 Microchip Technology Inc.
TABLE 12-9: REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
FIGURE 12-12: SYNCHRONOUS TRANSMISSION
FIGURE 12-13: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value on
POR
Value on all
other
RESETS
0Ch PIR1
EEIF CMIF RCIF TXIF — CCP1IF TMR2IF TMR1IF 0000 -000 0000 -000
18h RCSTA SPEN
RX9 SREN CREN ADEN FERR OERR RX9D 0000 -00x 0000 -00x
19h TXREG USART Transmit Register 0000 0000 0000 0000
8Ch PIE1
EEIE CMIE RCIE TXIE — CCP1IE TMR2IE TMR1IE 0000 -000 0000 -000
98h TXSTA CSRC TX9 TXEN SYNC
— BRGH TRMT TX9D 0000 -010 0000 -010
99h SPBRG Baud Rate Generator Register 0000 0000 0000 0000
Legend: x = unknown, - = unimplemented, read as '0'. Shaded cells are not used for Synchronous Master Transmission.
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
RB1/RX/DT Pin
RB2/TX/CK Pin
WRITE to
TXREG REG
TXIF Bit
(Interrupt Flag)
TRMT
TXEN Bit
'1' '1'
WORD 2
TRMT Bit
Write WORD1 Write WORD2
Note 1: Sync Master mode; SPBRG = ‘0’. Continuous transmission of two 8-bit words.
RB1/RX/DT pin
RB2/TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
Bit0
Bit1
Bit2
Bit6 Bit7
TXEN bit