PIC16F882_12 Datasheet, PDF (176/338 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers

PIC16F882/883/884/886/887
FIGURE 12-10: SYNCHRONOUS TRANSMISSION
RX/DT
pin
TX/CK pin
(SCKP = 0)
bit 0
bit 1
bit 2
Word 1
TX/CK pin
(SCKP = 1)
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
Write Word 1
TRMT bit
Write Word 2
bit 7
bit 0
bit 1
Word 2
TXEN bit ^{‘1’}
Note:
Sync Master mode, SPBRG = 0, continuous transmission of two 8-bit words.
FIGURE 12-11: 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 12-7: 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
BAUDCTL
ABDOVF RCIDL
—
SCKP BRG16
—
WUE ABDEN
166
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
33
PIE1
—
ADIE
RCIE
TXIE
SSPIE CCP1IE TMR2IE TMR1IE
34
PIR1
—
ADIF
RCIF
TXIF
SSPIF CCP1IF TMR2IF TMR1IF
36
RCREG
EUSART Receive Data Register
162
RCSTA
SPEN
RX9
SREN CREN ADDEN FERR OERR RX9D
165
SPBRG
BRG7
BRG6
BRG5
BRG4
BRG3
BRG2
BRG1
BRG0
167
SPBRGH
BRG15
BRG14 BRG13 BRG12 BRG11 BRG10 BRG9
BRG8
167
TRISC
TRISC7 TRISC6 TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0
55
TXREG
EUSART Transmit Data Register
157
TXSTA
CSRC
TX9
TXEN
SYNC SENDB BRGH TRMT
TX9D
164
Legend: x = unknown, – = unimplemented read as ‘0’. Shaded cells are not used for Synchronous Master Transmission.
DS41291G-page 176
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