HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1144

• 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 1082 of 1458
REJ09B0033-0300
Figure 31.19
MultiMediaCard Interface (MMCIF)
No
No
No
No
Execute CMD24 (CMDR to CMDSTRT)
Write transfer block size to TBCR
Command sequence start
Command sequence end
Read response register
Cap
Write 1 to DATAEN
Write data to FIFO
Is DBSYI interrupt is
Is CRCERI interrupt
Execute CMD16
Does CMD16 end
Is
Is DTERI interrupt
Is response status
Yes
Is DRPI interrupt
Is CRPI interrupt
Is DTI interrupt
Yes
Is FEI interrupt
successfully?
CRCERI
×
FIFO clear
Yes
generated?
Yes
generated?
generated?
generated?
Is DTBUSY
generated?
generated?
generated?
generated?
detected?
n(FEI)
Operational Flowchart for Commands with Write Data
normal?
Yes
Yes
interrupt
Yes
Yes
Yes
No
No
No
≥
Len
*
(Single Block Transfer)
Yes
No
No
No
Yes
Yes
No
No
Write1 to CMDOFF
Is CTERI interrupt
generated?
Note:
Yes
*
n(FEI):
Cap:
No
Len:
Block length (byte)
FIFO size (byte)
The number of FEIs
from the start of write sequence