r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1268

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

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1238 of 1658
REJ09B0261-0100
Figure 24.21 Example of Operational Flow for Commands with Write Data
No
No
(Set CMDR then CMDSTRT)
Start of command sequence
End of command sequence
Read response register
Write data to FIFO
Set CMDOFF to 1
CRCERI interrupt
Response status
Set DATAEN to 1
Execute CMD20
Execute CMD12
All data written
CRPI interrupt
FEI interrupt
Clear FIFO
detected?
detected?
detected?
normal?
to FIFO?
No
Yes
Yes
Yes
Yes
(Stream Transfer)
Yes
No
No
Set CMDOFF to 1
CTERI interrupt
detected?
Yes
No