Datasheet

 2009 Microchip Technology Inc. Preliminary DS41364D-page 311
PIC16F193X/LF193X
FIGURE 24-10: SYNCHRONOUS TRANSMISSION
FIGURE 24-11: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TABLE 24-7: SUMMARY OF 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
BAUDCON
ABDOVF RCIDL — SCKP BRG16 — WUE ABDEN
300
INTCON GIE PEIE
TMR0IE INTE IOCIE TMR0IF INTF IOCIF
99
PIE1
TMR1GIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE
100
PIR1
TMR1GIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF
103
RCSTA SPEN
RX9 SREN CREN ADDEN FERR OERR RX9D
299
SPBRGL
BRG<7:0>
301*
SPBRGH
BRG<15:8>
301*
TRISC TRISC7 TRISC6
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0
140
TXREG
EUSART Transmit Data Register
291*
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
298
Legend: x = unknown, - = unimplemented read as ‘0’. Shaded cells are not used for Synchronous Master Transmission.
* Page provides register information.
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, SPBRGL = 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