Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/USB/USB_CSR#0x0
USB_CSR
FRES
PDWN
LPMODE
GENRSM
RXDP
RXDM
ADRSET
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data