SH7785 Datasheet, PDF (1279/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

24. Multimedia Card Interface (MMCIF)
1
2
Yes
CRCERI interrupt
detected?
No
Yes
DTERI interrupt
detected?
No
No
BTI interrupt
detected?
Yes
Set DMACR to H'84
No
DMA transfer end?
Yes
Set CMDOFF to 1
Clear DMACR to H'00
Set CMDOFF to 1
Execute CMD12
Clear DMACR to H'00
Clear FIFO
Set CMDOFF to 1
Clear DMACR to H'00
End of command sequence
Figure 24.25 (2) Example of Operational Flow for Auto-mode
Pre-defined Multiple Block Read Transfer
Rev.1.00 Jan. 10, 2008 Page 1249 of 1658
REJ09B0261-0100