Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32BG22C224F512GM32/EUART0_S/TXDATA#0x0
No Description
TX Data
Unblock RX After Transmission
Set TXTRI After Transmisssion
Transit Data as Break
Clear TXEN After Transmission
Enable RXEN After Transmission
https://github.com/cmsis-svd/cmsis-svd-data