Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/AC/SYNCBUSY#0x0
Synchronization Busy
Software Reset Synchronization Busy
Enable Synchronization Busy
WINCTRL Synchronization Busy
COMPCTRL 0 Synchronization Busy
COMPCTRL 1 Synchronization Busy
https://github.com/cmsis-svd/cmsis-svd-data