Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Keil/AT32F425xx_v2/FLASH/PSR#0x0
Performance selection register
Wait cycle
Prefetch enable
Prefetch enabled flag
Prefetch enable 2
Prefetch enabled flag 2
Prefetch latency disable
https://github.com/cmsis-svd/cmsis-svd-data