Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/CKCU/CKCU_PLLCFGR#0x0
CKCU_PLLCFGR
POTD
PFBD
Reserved.
https://github.com/cmsis-svd/cmsis-svd-data