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25.4 Register Summary
| Offset | Name | Bit Pos. | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|
| 0x00 | RXDATAL | 7:0 | DATA[7:0] |
| 0x01 | RXDATAH | 7:0 | RXCIF | BUFOVF | | | | FERR | PERR | DATA[8] |
| 0x02 | TXDATAL | 7:0 | DATA[7:0] |
| 0x03 | TXDATAH | 7:0 | | | | | | | | DATA[8] |
| 0x04 | STATUS | 7:0 | RXCIF | TXCIF | DREIF | RXSIF | ISFIF | | BDF | WFB |
| 0x05 | CTRLA | 7:0 | RXCIE | TXCIE | DREIE | RXSIE | LBME | ABEIE | | RS485 |
| 0x06 | CTRLB | 7:0 | RXEN | TXEN | | SFDEN | ODME | RXMODE[1:0] | MPCM |
| 0x07 | CTRLC | 7:0 | CMODE[1:0] | PMODE[1:0] | SBMODE | CHSIZE[2:0] |
| 0x07 | CTRLC | 7:0 | CMODE[1:0] | | | | UDORD | UCPHA | |
| 0x08 | BAUD | 7:0 | BAUD[7:0] |
| 15:8 | BAUD[15:8] |
| 0x0A | CTRLD | 7:0 | ABW[1:0] | | | | | | |
| 0x0B | DBGCTRL | 7:0 | | | | | | | | DBGRUN |
| 0x0C | EVCTRL | 7:0 | | | | | | | | IREI |
| 0x0D | TXPLCTRL | 7:0 | TXPL[7:0] |
| 0x0E | RXPLCTRL | 7:0 | | RXPL[6:0] |
