SH7763 Datasheet, PDF (1415/2026 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
block to TBNCR
Execute CMD 23
CMD 23
No
normally ended?
Yes
Execute CMD25
(CMDR to CMDSTRT)
Yes
CRCERI interrupt
detected?
No
CRPI interrupt
No
detected?
Yes
Read response register
Response status
No
normally ended?
Yes
1
No
CTERI interrupt
detected?
Yes
2
Figure 31.18 (1) Example of Operational Flow for Commands with Write Data
(Pre-defined Multiblock Transfer)
Rev. 1.00 Oct. 01, 2007 Page 1349 of 1956
REJ09B0256-0100