Datasheet

Table Of Contents
PIC16(L)F1508/9
DS40001609C-page 260 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
249
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
248
SPBRGL
BRG<7:0> 250*
SPBRGH
BRG<15:8>
250*
TRISB TRISB7
TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 116
TXREG
EUSART Transmit Data Register
239*
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
247
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