Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32BG22C224F512GM32/BURTC_S/EM4WUEN#0x0
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Overflow EM4 Wakeup Enable
Compare Match EM4 Wakeup Enable
https://github.com/cmsis-svd/cmsis-svd-data