HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1156

• 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 1094 of 1458
REJ09B0033-0300
Note: *
MultiMediaCard Interface (MMCIF)
Write 1 to RD_CONTI
n(DTI): The number of DTIs from the start of read sequence
Figure 31.25
(Pre-defined Multiblock Transfer) (2)
No
No
No
No
Command sequence end
Operational Flowchart for Read Sequence
Set DMACR to H'84
Write 1 to CMDOFF
Set DMACR to H'00
Is CRCERI interrupt
TBNCR = n(DTI)?
Does DMA transfer
Is DTERI interrupt
No
No
Yes
Yes
Yes
Yes
Is DTI interrupt
Is BTI interrupt
generated?
generated?
generated?
generated?
end?
[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]