Datasheet

 2006-2015 Microchip Technology Inc. DS40001291H-page 169
PIC16F882/883/884/886/887
FIGURE 12-10: SYNCHRONOUS TRANSMISSION
FIGURE 12-11: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TABLE 12-7: REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Register
on Page
BAUDCTL
ABDOVF RCIDL —SCKPBRG16— WUE ABDEN 159
INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 32
PIE1
— ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 33
PIR1 — ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 35
RCREG
EUSART Receive Data Register 155
RCSTA SPEN RX9 SREN CREN ADDEN FERR OERR RX9D 158
SPBRG BRG7 BRG6 BRG5 BRG4 BRG3 BRG2 BRG1 BRG0 160
SPBRGH BRG15 BRG14 BRG13 BRG12 BRG11 BRG10 BRG9 BRG8 160
TRISC TRISC7 TRISC6
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 54
TXREG EUSART Transmit Data Register 150
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D 157
Legend: x = unknown, – = unimplemented read as ‘0’. Shaded cells are not used for Synchronous Master Transmission.
bit 0 bit 1 bit 7
Word 1
bit 2 bit 0 bit 1 bit 7
RX/DT
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
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
TX/CK pin
TX/CK pin
(SCKP = 0)
(SCKP = 1)
RX/DT pin
TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
bit 0
bit 1
bit 2
bit 6 bit 7
TXEN bit