HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1148

• 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 1086 of 1458
REJ09B0033-0300
Notes: 1. Write data of block length
2.
Figure 31.21
when block length
data of FIFO size
when block length > FIFO size.
MultiMediaCard Interface (MMCIF)
Len:
Cap:
n(FEI):
n(DRPI): The number of DRPIs from
Block length (byte)
FIFO size (byte)
The number of FEIs from
the start of write sequence
the start of write sequence
≤
FIFO size,
Operational Flowchart for Commands with Write Data
No
(Pre-defined Multiblock Transfer) (2)
No
No
No
No
No
No
Len (1 + n(DRPI))
Write data to FIFO *
Is CRCERI interrupt
Write 1 to CMDOFF
Write 1 to DATAEN
TBNCR = n(DRPI)?
Is DTERI interrupt
Is DBSYI interrupt
Is DRPI interrupt
Is DTI interrupt
Is BTI interrupt
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Is FEI interrupt
generated?
generated?
Cap
generated?
generated?
Is DTBUSY
No
No
generated?
generated?
generated?
detected?
×
[1]
n(FEI) -
≥
Len *
1
2
Command sequence end
No
Yes
Yes
Write 1 to CMDOFF
Execute CMD12
Write 1 to CMDOFF
[2]