HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1154

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 31
Rev. 3.00 Jan. 18, 2008 Page 1092 of 1458
REJ09B0033-0300
MultiMediaCard Interface (MMCIF)
Write 1 to RD_CONTI
Figure 31.24
(Open-ended Multiblock Transfer) (2)
Yes
No
No
Command sequence end
Does DMA transfer end?
Operational Flowchart for Read Sequence
Is CRCERI interrupt
Write 1 to CMDOFF
Set DMACR to H'84
Set DMACR to H'00
Is next block read?
Is DTERI interrupt
No
No
Execute CMD12
Yes
No
Yes
Is DTI interrupt
generated?
generated?
generated?
[1]
Yes
Yes
Write 1 to CMDOFF
Set DMACR to H'00
Execute CMD12
FIFO clear
Write 1 to CMDOFF
Set DMACR to H'00
[2]