Normal Interrupt Signal Enable.
| CMD_COMP | Command Complete Signal Enable. |
| TRANS_COMP | Transfer Complete Signal Enable. |
| BLK_GAP | Block Gap Event Signal Enable. |
| DMA | DMA Interrupt Signal Enable. |
| BUFFER_WR | Buffer Write Ready Signal Enable. |
| BUFFER_RD | Buffer Read Ready Signal Enable. |
| CARD_INSERT | Card Insertion Signal Enable. |
| CARD_REMOVAL | Card Removal Signal Enable. |
| CARD_INT | Card Interrupt Signal Enable. |
| RETUNING | Re-Tuning Event Signal Enable. |