Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/USART0/USART0_FCR#0x0
USART0_FCR
FME
RFR
TFR
TFTL
RFTL
URTXEN
URRXEN
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data