SH7785 Datasheet, PDF (1264/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

24. Multimedia Card Interface (MMCIF)
Start of command sequence
Clear FIFO
Set the block size in TBCR
Execute CMD16
CMD16
No
normal end?
Yes
Execute CMD25
(Set CMDR then CMDSTRT)
Yes
CRCERI interrupt
detected?
No
No
CRPI interrupt
detected?
Yes
Read response register
Response status
No
normal?
Yes
1
No
CTERI interrupt
detected?
Yes
2
Figure 24.20 (1) Example of Operational Flow for Commands with Write Data
(Open-ended Multiple Block Transfer)
Rev.1.00 Jan. 10, 2008 Page 1234 of 1658
REJ09B0261-0100