r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1256

• 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 1226 of 1658
REJ09B0261-0100
Set the RD_CONTI to 1
Read data from FIFO
Figure 24.14 Example of Operational Flow for Commands with Read Data
No
No
Start of command sequence
End of command sequence
Read response register
(CMDR to CMDSTRT)
Set the CMDOFF to 1
Read data from FIFO
(CRCERI) interrupt
Response status
(DTERI) interrupt
Execute CMD12
Execute CMD11
(CRPI) interrupt
normal ended?
(FFI) interrupt
completed?
Clear FIFO
Data read
detected?
detected?
detected?
detected?
No
Yes
Yes
No
Yes
Yes
(Stream Transfer)
Yes
No
No
Yes
Set the CMDOFF to 1
Execute CMD12
Clear FIFO
Set the CMDOFF to 1
(CTERI) interrupt
detected?
Yes
No