r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1275

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

Figure 24.23 (3) Example of Read Sequence Flow (Pre-defined 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
Set the number of
CRCERI interrupt
Response status
blocks in TBNCR
Execute CMD 23
Execute CMD 18
Execute CMD16
CRPI interrupt
normal end?
normal end?
Clear FIFO
detected?
detected?
CMD 23
normal?
CMD16
1
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
Rev.1.00 Jan. 10, 2008 Page 1245 of 1658
24. Multimedia Card Interface (MMCIF)
CTERI interrupt
detected?
2
Yes
REJ09B0261-0100
No