Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32U545/PKA/SR#0x0
PKA status register
INITOK
PKA operation is in progress
PKA End of Operation flag
RAMERRF
ADDRERRF
OPERRF
https://github.com/cmsis-svd/cmsis-svd-data