SPIxRXB
| Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| RXB[7:0] | |||||||
| AccessR | R | R | R | R | R | R | R |
| Resetx | x | x | x | x | x | x | x |
Receive Buffer
| Value | Name | Description |
|---|---|---|
| n | Receive buffer is not empty | Contains the top-most byte of the RXFIFO. Reading this register will remove the RXFIFO top-most byte and decrease the occupancy of the RXFIFO by 1. |
| 0 | Receive buffer is empty | Reading
this register will return ‘0’, leave the occupancy
unchanged, and set the RXRE Status bit |