SH7763 Datasheet, PDF (1406/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 31 Multimedia Card Interface (MMCIF)
Start of command sequence
Clear FIFO
Set the number of
transfer block size to TBCR
Execute CMD16
CMD16
No
normally ended?
Yes
Set the number of
transfer block TBCR
Execute CMD23
CMD23
No
normally ended?
Yes
Execute CMD18
(CMDR to CMDSTRT)
CRCERI interrupt
Yes
detected?
No
No
CRPI interrupt
detected?
Yes
Read response register
No
Response status
normally ended?
Yes
1
No
CTERI interrupt
detected?
Yes
2
Figure 31.12 (1) Example of Operational Flow for Commands with Read Data
(Pre-defined Multiblock Transfer)
Rev. 1.00 Oct. 01, 2007 Page 1340 of 1956
REJ09B0256-0100