Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/I2S/INTFLAG#0x0
Interrupt Flag Status and Clear
Receive Ready 0
Receive Ready 1
Receive Overrun 0
Receive Overrun 1
Transmit Ready 0
Transmit Ready 1
Transmit Underrun 0
Transmit Underrun 1
https://github.com/cmsis-svd/cmsis-svd-data