Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/DMAC/CHANNEL[1]/CHINTFLAG#0x0
Channel n Interrupt Flag Status and Clear
Channel Transfer Error
Channel Transfer Complete
Channel Suspend
https://github.com/cmsis-svd/cmsis-svd-data