24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1237 of 1658
REJ09B0261-0100
No
End of command sequence
Write data to FIFO
Set DATAEN to 1
Yes
DTBUSY detected?
Yes
DBSYI interrupt
detected?
No
Yes
*
CRCERI interrupt
detected?
No
Yes
Note:
*
Write block size of data (if block size < or = FIFO size) or FIFO size of data (if block size > FIFO size).
Len:
Block len
g
th [bytes]
Cap:
FIFO size [bytes]
n (FEI): Number of FIFO empty interrupts (FEI) from the start of read sequence
n (DRPI): Number of data response interrupts (DRPI) from the start of write sequence
Le
g
end:
DTERI interrupt
detected?
Yes
No
DRPI interrupt
detected?
Yes
Cap
×
n (FEI)
- Len (1 + n (DRPI))
≥
Len
No
No
Yes
TBNCR = n(DRPI)?
No
Yes
BTI interrupt
detected?
No
Yes
DTI interrupt
detected?
No
Yes
FEI interrupt
detected?
No
Set CMDOFF to 1
Set CMDOFF to 1
Execute CMD12
1
2
Set CMDOFF to 1
Figure 24.20 (4) Example of Operational Flow for Commands with Write Data
(Pre-defined Multiple Block Transfer)
Содержание SH7781
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Страница 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Страница 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Страница 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Страница 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
Страница 1688: ...Appendix Rev 1 00 Jan 10 2008 Page 1658 of 1658 REJ09B0261 0100 ...
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