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
12
Set CMDOFF to 1
Clear FIFO
Clear DMACR to H'00
Execute CMD12 or Stop Tran
Set CMDOFF to 1Set CMDOFF to 1
Figure 24.29 (2) Example of Operational Flow for Auto-mode Pre-defined Multiple Block Write Transfer