Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F125x/SPI/SPI_FCR#0x0
SPI_FCR
TXFTLS
RXFTLS
TFPR
RFPR
FIFOEN
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data