PIC16C745/765
TABLE 11-10: 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 USBIF CCP1IF TMR2IF TMR1IF 0000 0000
0000 0000
0000 -00x
0000 0000
0000 0000
0000 -010
0000 0000
RCSTA
SREN CREN
—
FERR
OERR
RX9D
0000 -00x
0000 0000
TXREG USART Transmit Register
(1)
PIE1
PSPIE
CSRC
ADIE
TX9
RCIE TXIE USBIE CCP1IE TMR2IE TMR1IE 0000 0000
TXSTA
TXEN SYNC
—
BRGH
TRMT
TX9D
0000 -010
0000 0000
SPBRG Baud Rate Generator Register
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 PIC16C745; always maintain these bits clear.
TABLE 11-11: 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
8Ch
98h
99h
PIR1
PSPIF
SPEN
ADIF
RX9
RCIF
TXIF USBIF CCP1IF TMR2IF TMR1IF 0000 0000
0000 0000
0000 -00x
0000 0000
0000 0000
0000 -010
0000 0000
RCSTA
SREN CREN
—
FERR
OERR
RX9D
0000 -00x
0000 0000
RCREG USART Receive Register
(1)
PIE1
PSPIE
CSRC
ADIE
TX9
RCIE
TXIE USBIE CCP1IE TMR2IE TMR1IE 0000 0000
TXSTA
TXEN SYNC
—
BRGH
TRMT
TX9D
0000 -010
0000 0000
SPBRG Baud Rate Generator Register
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 PIC16C745; always maintain these bits clear.
DS41124A-page 88
Advanced Information
1999 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
