SH7785 Datasheet, PDF (1283/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

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