r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1412

• 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 1346 of 1956
REJ09B0256-0100
Figure 31.16 Example of Operational Flow for Commands with Write Data
No
No
No
No
No
Start of command sequence
transfer block size to TBCR
End of command sequence
Read response register
(CMDR to CMDSTRT)
Set the DATAEN to 1
Writing data to FIFO
Cap × n (FEI) ≥ Len
DTBUSY detected?
Set the number of
CRCERI interrupt
Response status
Execute CMD16
normally ended?
normally ended?
Execute CMD24
DBSYI interrupt
DTERI interrupt
DRPI interrupt
CRPI interrupt
FEI interrupt
DTI interrupt
Clear FIFO
detected?
detected?
detected?
detected?
detected?
detected?
detected?
CMD16
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
Yes
Yes
No
(Single Block Transfer)
Set the CMDOFF to 1
CTERI interrupt
detected?
[Legend]
Len:
Cap:
n (FEI): Number of FEI from write sequence starts
Yes
Block length [Byte]
FIFO size [Byte]
No