Datasheet

PIC16(L)F1516/7/8/9
DS41452C-page 256  2010-2012 Microchip Technology Inc.
FIGURE 22-10: SYNCHRONOUS TRANSMISSION
FIGURE 22-11: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TABLE 22-7: 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
245
INTCON GIE PEIE
TMR0IE INTE IOCIE TMR0IF INTF IOCIF
76
PIE1
TMR1GIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE
77
PIR1
TMR1GIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF
79
RCSTA SPEN
RX9 SREN CREN ADDEN FERR OERR RX9D
244
SPBRGL
BRG<7:0> 246*
SPBRGH
BRG<15:8> 246*
TRISC TRISC7 TRISC6
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0
117
TXREG
EUSART Transmit Data Register
235*
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
243
Legend: — = 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