PIC16LC773 datasheet(98/200 Pages) MICROCHIP

98 / 200 page

PIC16C77X

DS30275A-page 98

Advance Information

FIGURE 9-2:

RCSTA: RECEIVE STATUS AND CONTROL REGISTER (ADDRESS 18h)

R/W-0

R-0

R-x

SPEN

RX9

SREN

CREN

ADDEN

FERR

OERR

RX9D

R = Readable bit

W = Writable bit

U = Unimplemented bit,

read as ‘0’

- n =Value at POR reset

bit7

bit0

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

bit 6:

RX9: 9-bit Receive Enable bit

1 = Selects 9-bit reception

0 = Selects 8-bit reception

bit 5:

SREN: Single Receive Enable bit

Asynchronous mode

Don’t 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 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:

ADDEN: Address Detect Enable bit

Asynchronous mode 9-bit (RX9 = 1)

1 = Enables address detection, enable interrupt and load of the receive buffer when RSR<8> is set

0 = Disables address detection, all bytes are received, and ninth bit can be used as parity bit

bit 2:

FERR: Framing Error bit

1 = Framing error (Can be updated by reading RCREG register and receive next valid byte)

0 = No framing error

bit 1:

OERR: Overrun Error bit

1 = Overrun error (Can be cleared by clearing bit CREN)

0 = No overrun error

bit 0:

RX9D: 9th bit of received data (Can be parity bit)

PIC16LC773 数据表(PDF) 98 Page - Microchip Technology

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