PIC16F87X
TABLE 10-10: REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE TRANSMISSION
Value on:
POR,
BOR
Value on all
other Resets
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(1)
0Ch
18h
19h
8Ch
98h
99h
PIR1
PSPIF
SPEN
ADIF
RX9
RCIF
TXIF
SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
RCSTA
SREN CREN ADDEN FERR
OERR
RX9D 0000 000x 0000 000x
TXREG USART Transmit Register
0000 0000 0000 0000
(1)
PIE1
PSPIE
CSRC
ADIE
TX9
RCIE
TXIE
SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
TXSTA
TXEN SYNC
—
BRGH
TRMT
TX9D 0000 -010 0000 -010
SPBRG Baud Rate Generator Register
0000 0000 0000 0000
Legend: x= unknown, -= unimplemented read as '0'. Shaded cells are not used for Synchronous Slave Transmission.
Note 1: Bits PSPIE and PSPIF are reserved on the 28-pin devices; always maintain these bits clear.
TABLE 10-11: REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE RECEPTION
Value on:
POR,
BOR
Value on all
other Resets
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(1)
0Ch
18h
1Ah
PIR1
PSPIF
SPEN
ADIF
RX9
RCIF
TXIF
SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
RCSTA
SREN CREN ADDEN FERR
OERR
RX9D 0000 000x 0000 000x
RCRE
G
USART Receive Register
0000 0000 0000 0000
(1)
8Ch
98h
99h
PIE1
PSPIE
CSRC
ADIE
TX9
RCIE
TXIE
SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
TXSTA
TXEN SYNC
—
BRGH
TRMT
TX9D 0000 -010 0000 -010
SPBRG Baud Rate Generator Register
0000 0000 0000 0000
Legend: x= unknown, -= unimplemented read as '0'. Shaded cells are not used for Synchronous Slave Reception.
Note 1: Bits PSPIE and PSPIF are reserved on the 28-pin devices, always maintain these bits clear.
1999 Microchip Technology Inc.
DS30292B-page 109
ETC [ ETC ]
