PIC16LF1454 Datasheet, PDF (280/418 Pages) Microchip Technology – 14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology

PIC16(L)F1454/5/9
FIGURE 23-10: SYNCHRONOUS TRANSMISSION
RX/DT
pin
TX/CK pin
(SCKP = 0)
bit 0
bit 1
bit 2
bit 7
Word 1
TX/CK pin
(SCKP = 1)
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
Write Word 1
TRMT bit
Write Word 2
bit 0
bit 1
Word 2
TXEN bit ^{‘1’}
Note:
Sync Master mode, SPBRGL = 0, continuous transmission of two 8-bit words.
FIGURE 23-11: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
RX/DT pin
bit 0
bit 1
bit 2
bit 6
TX/CK pin
Write to
TXREG reg
TXIF bit
bit 7
‘1’
bit 7
TRMT bit
TXEN bit
TABLE 23-7: 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
INTCON
PIE1
PIR1
GIE
TMR1GIE
TMR1GIF
PEIE
ADIE⁽²⁾
ADIF⁽²⁾
TMR0IE
RCIE
RCIF
INTE
TXIE
TXIF
IOCIE
SSP1IE
SSP1IF
TMR0IF
—
—
INTF
TMR2IE
TMR2IF
IOCIF
TMR1IE
TMR1IF
RCSTA
SPEN
RX9
SREN
CREN
ADDEN
FERR
OERR
RX9D
SPBRGL
SPBRGH
TRISC
TRISC7⁽¹⁾ TRISC6⁽¹⁾ TRISC5
BRG<7:0>
BRG<15:8>
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
TXREG
EUSART Transmit Data Register
TXSTA
CSRC
TX9
TXEN
SYNC
SENDB
BRGH
TRMT
TX9D
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.
269
96
97
99
268
270*
270*
140
259*
267
DS41639A-page 280
Preliminary
 2012 Microchip Technology Inc.