Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/SPI0/SPI0_FCR#0x0
SPI0_FCR
TXFTLS
RXFTLS
TFPR
RFPR
FIFOEN
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data