Datasheet

PIC16(L)F1508/9
DS40001609B-page 258  2011-2013 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
247
INTCON GIE PEIE
TMR0IE INTE IOCIE TMR0IF INTF IOCIF
76
PIE1
TMR1GIE ADIE RCIE TXIE SSP1IE — TMR2IE TMR1IE
77
PIR1
TMR1GIF ADIF RCIF TXIF SSP1IF — TMR2IF TMR1IF
80
RCSTA SPEN
RX9 SREN CREN ADDEN FERR OERR RX9D
246
SPBRGL
BRG<7:0> 248*
SPBRGH
BRG<15:8>
248*
TRISB TRISB7
TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 116
TXREG
EUSART Transmit Data Register
237*
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
245
Legend: — = unimplemented location, 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