Renesas SH7781 - Manual (Page 1283)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1253 of 1658
REJ09B0261-0100
End of command sequence
Set CMDOFF to 1
Set the DATAEN bit to 1
DRPI interrupt
detected?
No
Yes
DBSYI interrupt
detected?
No
Yes
CRCERI interrupt
detected?
Yes
No
DTERI interrupt
detected?
Yes
No
DTBUSY detected?
No
Yes
FRDYI interrupt
detected or DMA transfer
end?
No
Yes
Clear DMACR to H'00
DMA transfer end?
No
Yes
DTI interrupt
detected?
No
Yes
1 2
Figure 24.26 (2) Example of Write Sequence Flow (Single Block Transfer)