Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/SUPC/BBPS#0x0
CONF=BOD33
Battery Backup Power Switch
Battery Backup Configuration
0 (BOD33): The power switch is handled by the BOD33
1 (FORCED): In Backup Domain, the backup domain is always supplied by battery backup power
Wake Enable
https://github.com/cmsis-svd/cmsis-svd-data