r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1289

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

(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
Set the number of
Response status
Execute CMD 25
Execute CMD16
blocks in TBNCR
Execute CMD 23
normal ended?
CRPI interrupt
normal end?
normal end?
Clear FIFO
detected?
detected?
Figure 24.29 (1) Example of Operational Flow for Auto-mode
CMD 23
CMD16
1
Yes
Yes
Yes
Yes
No
Pre-defined Multiple Block Write Transfer
Yes
No
No
No
No
Rev.1.00 Jan. 10, 2008 Page 1259 of 1658
24. Multimedia Card Interface (MMCIF)
CTERI interrupt
detected?
2
Yes
REJ09B0261-0100
No