interrupt clear register
| CCRCFAILC | CCRCFAIL flag clear bit |
| DCRCFAILC | DCRCFAIL flag clear bit |
| CTIMEOUTC | CTIMEOUT flag clear bit |
| DTIMEOUTC | DTIMEOUT flag clear bit |
| TXUNDERRC | TXUNDERR flag clear bit |
| RXOVERRC | RXOVERR flag clear bit |
| CMDRENDC | CMDREND flag clear bit |
| CMDSENTC | CMDSENT flag clear bit |
| DATAENDC | DATAEND flag clear bit |
| DHOLDC | DHOLD flag clear bit |
| DBCKENDC | DBCKEND flag clear bit |
| DABORTC | DABORT flag clear bit |
| BUSYD0ENDC | BUSYD0END flag clear bit |
| SDIOITC | SDIOIT flag clear bit |
| ACKFAILC | ACKFAIL flag clear bit |
| ACKTIMEOUTC | ACKTIMEOUT flag clear bit |
| VSWENDC | VSWEND flag clear bit |
| CKSTOPC | CKSTOP flag clear bit |
| IDMATEC | IDMA transfer error clear bit |
| IDMABTCC | IDMA buffer transfer complete clear bit |