Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFM32PG22C200F32IM32/MSC_NS/PWRCTRL#0x0
No Description
Power down Flash macro when enter EM1
POWER down flash again in EM1/EM1p
Power down delay
https://github.com/cmsis-svd/cmsis-svd-data