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PIC18F2525_08 Datasheet, PDF (220/412 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PIC18F2525/2620/4525/4620
FIGURE 18-12: SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
RC7/RX/DT pin
bit 0
bit 1
bit 2
bit 6
bit 7
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
TXEN bit
TABLE 18-7: REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF
49
PIR1
PSPIF(1) ADIF
RCIF
TXIF
SSPIF CCP1IF TMR2IF TMR1IF
52
PIE1
PSPIE(1) ADIE
RCIE
TXIE
SSPIE CCP1IE TMR2IE TMR1IE
52
IPR1
PSPIP(1) ADIP
RCIP
TXIP
SSPIP CCP1IP TMR2IP TMR1IP
52
RCSTA
SPEN
RX9
SREN CREN ADDEN FERR OERR RX9D
51
TXREG
EUSART Transmit Register
51
TXSTA
CSRC
TX9
TXEN SYNC SENDB BRGH TRMT TX9D
51
BAUDCON ABDOVF RCIDL RXDTP TXCKP BRG16
—
WUE ABDEN
51
SPBRGH EUSART Baud Rate Generator Register High Byte
51
SPBRG
EUSART Baud Rate Generator Register Low Byte
51
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used for synchronous master transmission.
Note 1: These bits are unimplemented on 28-pin devices and read as ‘0’.
DS39626E-page 218
© 2008 Microchip Technology Inc.