Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/SERCOM0/I2CM/INTFLAG#0x0
I2CM Interrupt Flag Status and Clear
Master On Bus Interrupt
Slave On Bus Interrupt
Combined Error Interrupt
https://github.com/cmsis-svd/cmsis-svd-data