PIC16F871 Datasheet

  • PIC16F871

  • 28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

  • 1755.40KB

  • 172页

  • Microchip   Microchip

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PIC16F870/871
TABLE 9-10:
Address
0Ch
18h
19h
8Ch
98h
99h
Name
PIR1
RCSTA
TXREG
PIE1
TXSTA
SPBRG
REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE TRANSMISSION
Bit 7
PSPIF
(1)
SPEN
PSPIE
(1)
CSRC
Bit 6
ADIF
RX9
ADIE
TX9
Bit 5
RCIF
SREN
RCIE
TXEN
Bit 4
TXIF
CREN
TXIE
SYNC
Bit 3
鈥?/div>
ADDEN
鈥?/div>
鈥?/div>
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other Resets
0000 -000
0000 000x
0000 0000
0000 -000
0000 -010
0000 0000
CCP1IF TMR2IF TMR1IF
0000 -000
FERR
OERR
RX9D
0000 000x
0000 0000
CCP1IE TMR2IE TMR1IE
0000 -000
BRGH
TRMT
TX9D
0000 -010
0000 0000
USART Transmit Register
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 PIC16F870; always maintain these bits clear.
TABLE 9-11:
Address
0Ch
18h
1Ah
8Ch
98h
99h
Name
PIR1
RCSTA
PIE1
TXSTA
REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE RECEPTION
Bit 7
PSPIF
(1)
SPEN
PSPIE
(1)
CSRC
Bit 6
ADIF
RX9
ADIE
TX9
Bit 5
RCIF
SREN
RCIE
TXEN
Bit 4
TXIF
CREN
TXIE
SYNC
Bit 3
鈥?/div>
ADDEN
鈥?/div>
鈥?/div>
Bit 2
CCP1IF
FERR
CCP1IE
BRGH
Bit 1
TMR2IF
OERR
TMR2IE
TRMT
Bit 0
Value on:
POR,
BOR
Value on all
other Resets
0000 -000
0000 000x
0000 0000
0000 -000
0000 -010
0000 0000
TMR1IF
0000 -000
RX9D
0000 000x
0000 0000
TMR1IE
0000 -000
TX9D
0000 -010
0000 0000
RCREG USART Receive Register
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 PIC16F870, always maintain these bits clear.
1999 Microchip Technology Inc.
Preliminary
DS30569A-page 77

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