Datasheet

PIC16F882/883/884/886/887
DS41291G-page 176  2006-2012 Microchip Technology Inc.
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 166
INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 33
PIE1
— ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 34
PIR1 — ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 36
RCREG
EUSART Receive Data Register 162
RCSTA SPEN RX9 SREN CREN ADDEN FERR OERR RX9D 165
SPBRG BRG7 BRG6 BRG5 BRG4 BRG3 BRG2 BRG1 BRG0 167
SPBRGH BRG15 BRG14 BRG13 BRG12 BRG11 BRG10 BRG9 BRG8 167
TRISC TRISC7 TRISC6
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 55
TXREG EUSART Transmit Data Register 157
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D 164
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