r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1418

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Section 31 Multimedia Card Interface (MMCIF)
Rev. 1.00 Oct. 01, 2007 Page 1352 of 1956
REJ09B0256-0100
Start of command sequence
Set DMAC-related condition
transfer block size to TBCR
Read response register
transfer block to TBCR
(CMDR to CMDSTRT)
Set DMACR (MMCIF)
CRCERI interrupt
Set the number of
Set the number of
Response status
Execute CMD 23
Execute CMD 18
normally ended?
normally ended?
normally ended?
Execute CMD16
CRPI interrupt
Clear FIFO
detected?
detected?
Figure 31.19 (1) Example of Operational Flow for Auto-mode
CMD 23
CMD16
1
Yes
Yes
Yes
Yes
No
Pre-defined Multiblock Read Transfer
Yes
No
No
No
No
CTERI interrupt
detected?
2
Yes
No