USART Transmit Holding Register
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| TXSYNH | TXCHR[8] | ||||||||
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| TXCHR[7:0] | |||||||||
| Access | |||||||||
| Reset | |||||||||
Character to be Transmitted
Next character to be transmitted after the current character if TXRDY is not set.
Sync Field to be Transmitted
| Value | Description |
|---|---|
| 0 | The next character sent is encoded as a data. Start frame delimiter is DATA SYNC. |
| 1 | The next character sent is encoded as a command. Start frame delimiter is COMMAND SYNC. |