SDIO mask register (SDIO_MASK)
| CMDFAILIEN | Command crc fail interrupt enable |
| DTFAILIEN | Data crc fail interrupt enable |
| CMDTIMEOUTIEN | Command timeout interrupt enable |
| DTTIMEOUTIEN | Data timeout interrupt enable |
| TXERRUIEN | Tx under run interrupt enable |
| RXERRUIEN | Rx over run interrupt enable |
| CMDRSPCMPLIEN | Command response complete interrupt enable |
| CMDCMPLIEN | Command sent complete interrupt enable |
| DTCMPLIEN | Data sent complete interrupt enable |
| SBITERRIEN | Start bit error interrupt enable |
| DTBLKCMPLIEN | Data block sent complete interrupt enable |
| DOCMDIEN | Command acting interrupt enable |
| DOTXIEN | Data transmit acting interrupt enable |
| DORXIEN | Data receive acting interrupt enable |
| TXBUFHIEN | Tx buffer half empty interrupt enable |
| RXBUFHIEN | Rx buffer half empty interrupt enable |
| TXBUFFIEN | Tx buffer full interrupt enable |
| RXBUFFIEN | Rx buffer full interrupt enable |
| TXBUFEIEN | Tx buffer empty interrupt enable |
| RXBUFEIEN | Rx buffer empty interrupt enable |
| TXBUFIEN | Tx buffer data vaild interrupt enable |
| RXBUFIEN | Rx buffer data vaild interrupt enable |
| IOIFIEN | SD I/O interrupt enable |