PIC16C745 Datasheet

  • PIC16C745

  • 8-Bit CMOS Microcontrollers with USB

  • 4945.69KB

  • 165页

  • MICROCHIP

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PIC16C745/765
REGISTER 11-2: RECEIVE STATUS AND CONTROL REGISTER (RCSTA: 18h)
R/W-0
SPEN
bit7
R/W-0
RX9
R/W-0
SREN
R/W-0
CREN
U-0
鈥?/div>
R-0
FERR
R-0
OERR
R-x
RX9D
bit0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as 鈥?鈥?/div>
- n = Value at POR reset
bit 7:
SPEN:
Serial Port Enable bit
1
= Serial port enabled (Configures RC7/RX/DT and RC6/TX/CK pins as serial port pins)
0
= Serial port disabled
RX9:
9-bit Receive Enable bit
1
= Selects 9-bit reception
0
= Selects 8-bit reception
SREN:
Single Receive Enable bit
Asynchronous mode
Don鈥檛 care
Synchronous mode - master
1
= Enables single receive
0
= Disables single receive
This bit is cleared after reception is complete.
Synchronous mode - slave
Unused in this mode
bit 6:
bit 5:
bit 4:
CREN:
Continuous Receive Enable bit
Asynchronous mode
1
= Enables continuous receive
0
= Disables continuous receive
Synchronous mode
1
= Enables continuous receive until enable bit CREN is cleared (CREN overrides SREN)
0
= Disables continuous receive
bit 3:
bit 2:
Unimplemented:
Read as '0'
FERR:
Framing Error bit
1
= Framing error (Can be updated by reading RCREG register and receive next valid byte)
0
= No framing error
OERR:
Overrun Error bit
1
= Overrun error (Can be cleared by clearing bit CREN)
0
= No overrun error
RX9D:
9th bit of received data. (Can be used for parity.)
bit 1:
bit 0:
DS41124A-page 76
Advanced Information
1999 Microchip Technology Inc.

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