Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/USART0/USART0_IrDACR#0x0
USART0_IrDACR
IrDAEN
IrDALP
TXSEL
LB
TXINV
RXINV
IrDAPSC
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data