HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1166
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 31
Rev. 3.00 Jan. 18, 2008 Page 1104 of 1458
REJ09B0033-0300
MultiMediaCard Interface (MMCIF)
Note:
Figure 31.30
*
n (DRPI): The number of DRPIs from
No
No
No
No
No
the start of write sequence
(Pre-defined Multiblock Transfer) (2)
No
Is FRDYI interrupt is generated
or does DMA transfer end?
Set DMACR to H'00
Write 1 to CMDOFF
TBNCR = n(DRPI)?
Does DMA transfer
Write 1 to DATEN
interrupt generated?
Is DTERI interrupt
Is DBSYI interrupt
CRCERI or WRERI
Is DRPI interrupt
Operational Flowchart for Write Sequence
Is DTI interrupt
No
No
Is BTI interrupt
Yes
Yes
Yes
Yes
Yes
generated?
Yes
Yes
Is DTBUSY
generated?
generated?
generated?
generated?
detected?
end?
[1]
Yes
No
No
Command sequence end
Yes
Yes
Write 1 to CMDOFF
Set DMACR to H'00
Execute CMD12
FIFO clear
Write 1 to CMDOFF
[2]
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