46.10.49 SPI Transmit Data Register (FIFO Multiple Data, 8- to 16-bit)
To write multi-data, the FIFO must be enabled (FLEX_SPI_CR.FIFOEN=1) and FLEX_SPI_MR.PS=0. The access type (byte, halfword or word) determines the number of data written in a single access (1 or 2), see SPI Single Data Access for details.
| Name: | FLEX_SPI_TDR (FIFO_MULTI_DATA) |
| Offset: | 0x40C |
| Reset: | – |
| Property: | Write-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| TD1[15:8] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| TD1[7:0] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| TD0[15:8] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| TD0[7:0] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
Bits 0:15, 16:31 – TDx Transmit Data
Next data to write in the Transmit FIFO. Information to be transmitted must be written to this register in a right-justified format.