Datasheet

PIC16(L)F1454/5/9
DS41639A-page 280 Preliminary  2012 Microchip Technology Inc.
FIGURE 23-10: SYNCHRONOUS TRANSMISSION
FIGURE 23-11: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TABLE 23-7: SUMMARY OF REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER
TRANSMISSION
Name Bit 7 Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
Register on
Page
BAUDCON
ABDOVF RCIDL —SCKPBRG16— WUE ABDEN
269
INTCON GIE PEIE TMR0IE INTE IOCIE TMR0IF INTF IOCIF
96
PIE1
TMR1GIE ADIE
(2)
RCIE TXIE SSP1IE — TMR2IE TMR1IE
97
PIR1
TMR1GIF ADIF
(2)
RCIF TXIF SSP1IF — TMR2IF TMR1IF
99
RCSTA SPEN
RX9 SREN CREN ADDEN FERR OERR RX9D
268
SPBRGL
BRG<7:0> 270*
SPBRGH
BRG<15:8>
270*
TRISC TRISC7
(1)
TRISC6
(1)
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0
140
TXREG
EUSART Transmit Data Register
259*
TXSTA CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D
267
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used for synchronous master transmission.
* Page provides register information.
Note 1: PIC16(L)F1459 only.
2: PIC16(L)F1455/9 only.
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