r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1398

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Section 31 Multimedia Card Interface (MMCIF)
Rev. 1.00 Oct. 01, 2007 Page 1332 of 1956
REJ09B0256-0100
Figure 31.6 Example of Operational Flow for Commands without Data Transfer
No
Set command type to CMDTYR
Set command response type
Start of command sequence
End of command sequence
Set command data to
CMDR0 to CMDR4
Set the START bit
interrupt detected?
interrupt detected?
interrupt detected?
in CMDSTRT to 1
to RSPTYR
response?
DTBUSY
detected?
CRCERI
DBSYI
CRPI
R1b
No
Yes
Yes
Yes
Yes
*
Yes
No
No
No
Note: In R2 command response case, determine
whether or not error exists through CRC check
by software. Hardware executes no CRC check.
Set the CMDOFF to 1
CTERI interrupt
detected?
Yes
No