PIC16C6X
TABLE 12-10: REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE TRANSMISSION
Address Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2
Bit 1
Bit 0
Value on
POR,
BOR
Value on
all other
Resets
0Ch
PIR1
PSPIF(1) (2) RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
18h
RCSTA SPEN RX9 SREN CREN — FERR OERR RX9D 0000 -00x 0000 -00x
19h
TXREG USART Transmit Register
0000 0000 0000 0000
8Ch
PIE1
PSPIE(1) (2) RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
98h
TXSTA CSRC TX9 TXEN SYNC — BRGH TRMT TX9D 0000 -010 0000 -010
99h
SPBRG Baud Rate Generator Register
0000 0000 0000 0000
Legend: x = unknown, - = unimplemented locations read as '0'. Shaded cells are not used for Synchronous Slave Transmission.
Note 1: PSPIF and PSPIE are reserved on the PIC16C63/R63/66, always maintain these bits clear.
2: PIR1<6> and PIE1<6> are reserved, always maintain these bits clear.
TABLE 12-11: REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE RECEPTION
Address Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2
Bit 1
Bit 0
Value on
POR,
BOR
Value on
all other
Resets
0Ch
PIR1
PSPIF(1) (2) RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
18h
RCSTA SPEN RX9 SREN CREN — FERR OERR RX9D 0000 -00x 0000 -00x
1Ah
RCREG USART Receive Register
0000 0000 0000 0000
8Ch
PIE1
PSPIE(1) (2) RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
98h
TXSTA CSRC TX9 TXEN SYNC — BRGH TRMT TX9D 0000 -010 0000 -010
99h
SPBRG Baud Rate Generator Register
0000 0000 0000 0000
Legend: x = unknown, - = unimplemented locations read as '0'. Shaded cells are not used for Synchronous Slave Reception.
Note 1: PSPIF and PSPIE are reserved on the PIC16C63/R63/66, always maintain these bits clear.
2: PIR1<6> and PIE1<6> are reserved, always maintain these bits clear.
© 1997 Microchip Technology Inc.
DS30234D-page 121