r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1274

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r8a77850anbg

Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet

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Part Number:
r8a77850anbgV
Manufacturer:
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24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1244 of 1658
REJ09B0261-0100
Figure 24.23 (2) Example of Read Sequence Flow (Open-ended Multiple Block Transfer)
Set RD_CONTI to 1
No
No
No
End of command sequence
Clear DMACR to H'00
Set DMACR to H'84
DMA transfer end?
Set CMDOFF to 1
CRCERI interrupt
Next block read?
DTERI interrupt
Execute CMD12
DTI interrupt
detected?
detected?
detected?
1
Yes
Yes
Yes
No
No
Yes
Yes
Clear DMACR to H'00
Set CMDOFF to 1
Execute CMD12
Clear FIFO
Clear DMACR to H'00
Set CMDOFF to 1
2

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