Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAML11E14A/EVSYS/BUSYCH#0x0
Busy Channels
Busy Channel 0
Busy Channel 1
Busy Channel 2
Busy Channel 3
https://github.com/cmsis-svd/cmsis-svd-data