HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1164

• 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 1102 of 1458
REJ09B0033-0300
MultiMediaCard Interface (MMCIF)
Figure 31.29
Yes
No
No
No
No
(Open-ended Multiblock Transfer) (2)
Command sequence end
Is FRDYI interrupt generated
or does DMA transfer end?
Is CRCERI or WRERI
interrupt generated?
Set DMACR to H'00
Write 1 to CMDOFF
Does DMA transfer
Is DBSYI interrupt
Is DTERI interrupt
Write 1 to DATEN
Is DRPI interrupt
Execute CMD12
Is DTI interrupt
No
No
Yes
Yes
Yes
No
generated?
generated?
Is next block
Yes
generated?
Yes
generated?
Is DTBUSY
detected?
Operational Flowchart for Write Sequence
written?
end?
[1]
Yes
No
No
Yes
Yes
Write 1 to CMDOFF
Set DMACR to H'00
Execute CMD12
FIFO clear
Write 1 to CMDOFF
[2]