HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1158

• 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 1096 of 1458
REJ09B0033-0300
Figure 31.27
MultiMediaCard Interface (MMCIF)
Operational Flowchart for Pre-defined Multiblock Read Transfer
Write transfer block size to TBCR
Write the number of transfer
Command sequence start
Read response register
(CMDR to CMDSTRT)
Set DMACR (MMCIF)
Is CRCERI interrupt
blocks to TBNCR
Execute CMD16
Execute CMD23
Execute CMD18
Yes
Is response status
Does CMD16 end
Does CMD23 end
No
Is CRPI interrupt
Yes
Yes
Yes
successfully?
successfully?
FIFO clear
Set DMAC
generated?
generated?
normal?
[1]
in Auto Mode (1)
Yes
No
No
No
No
Is CTERI interrupt
generated?
[2]
Yes
No