FPER=0, MPB=0, FFER=0
Receive Data Register
| RDAT | Serial receive data |
| MPB | Multi-processor flag 0 (0): Data transmission cycles 1 (1): ID transmission cycles |
| DR | Receive data ready flag |
| FPER | FIFO parity error flag 0 (0): There is no parity error in the data read from the receive-FIFO 1 (1): There is parity error in the data read from the receive-FIFO |
| FFER | FIFO framing error flag 0 (0): There is no framing error in the data read from the receive-FIFO 1 (1): There is framing error in the data read from the receive-FIFO |
| ORER | Overrun Error flag |
| PER | Parity error flag |
| FER | Framing error flag |