r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1273

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

Figure 24.23 (1) Example of Read Sequence Flow (Open-ended Multiple Block Transfer)
(Set CMDR then CMDSTRT)
Start of command sequence
Set DMACR (in the MMCIF)
Set the block size in TBCR
Read response register
Configure the DMAC
CRCERI interrupt
Response status
Execute CMD 18
Execute CMD16
CRPI interrupt
normal end?
Clear FIFO
detected?
detected?
normal?
CMD16
1
Yes
Yes
Yes
No
Yes
No
No
No
Rev.1.00 Jan. 10, 2008 Page 1243 of 1658
24. Multimedia Card Interface (MMCIF)
CTERI interrupt
detected?
2
Yes
REJ09B0261-0100
No