SH7785 Datasheet, PDF (1290/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

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