UxCON1

UART Control Register 1
Note:
  1. 1.This bit is read-only in LIN, DMX, and DALI modes.
Name:
UxCON1
Address:
0x2AC,0x2BF,0x2D2,0x2E5,0x2F8
Reset:
Access:
Bit76543210
ONWUERXBIMDBRKOVRSENDB
AccessR/WR/W/HCR/WR/WR/W/HC
Reset00000

Bit 7 – ON: Serial Port Enable

Serial Port Enable

ValueDescription
1 Serial port enabled
0 Serial port disabled (held in Reset)

Bit 4 – WUE: Wake-up Enable

Wake-up Enable

ValueDescription
1 Receiver is waiting for falling RX input edge which will set the UxIF bit. Cleared by hardware on wake event. Also requires UxIE bit of PIEx to enable wake
0 Receiver operates normally

Bit 3 – RXBIMD: Receive Break Interrupt Mode Select

Receive Break Interrupt Mode Select

ValueDescription
1 Set RXBKIF immediately when RX in has been low for the minimum Break time
0 Set RXBKIF on rising RX input after RX in has been low for the minimum Break time

Bit 1 – BRKOVR: Send Break Software Override

Send Break Software Override

ValueDescription
1 TX output is forced to non-idle state
0 TX output is driven by transmit shift register

Bit 0 – SENDB: Send Break Control(1)

Send Break Control(1)

ValueDescription
1 Output Break upon UxTXB write. Written byte follows Break. Bit is cleared by hardware.
0 Break transmission completed or disabled