Renesas SH7781 - Manual (Page 1290)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1260 of 1658
REJ09B0261-0100
End of command sequence
BTI interrupt
detected?
No
Yes
DBSYI interrupt
detected?
No
Yes
CRCERI
or WRERI interrupt
detected?
Yes
No
DTERI interrupt
detected?
Yes
No
DTBUSY detected?
No
Yes
Clear DMACR to H'00
DMA transfer end?
No
Yes
1 2
Set CMDOFF to 1
Clear FIFO
Clear DMACR to H'00
Execute CMD12 or Stop Tran
Set CMDOFF to 1 Set CMDOFF to 1
Figure 24.29 (2) Example of Operational Flow for Auto-mode
Pre-defined Multiple Block Write Transfer