r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1409

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

• Write the CMDOFF bit to 1 when a CRC error (CRCERI) or command timeout error (CTERI)
• Write the CMDOFF bit to 1 when a CRC error (CRCERI) or data timeout error (DTERI)
Input/output pins
(FIFO_EMPTY)
(DTBUSY_TU)
occurs in the command response reception.
occurs in the write data transmission.
(CMDOFF)
CMDSTRT
(DATAEN)
INTSTR0
(START)
(DBSYI)
(CWRE)
(BUSY)
(CMDI)
(CRPI)
(DRPI)
OPCR
(REQ)
CSTR
CMD
(DTI)
(FEI)
CLK
DAT
Figure 31.13 Example of Command Sequence for Commands with Write Data
CMD24 (WRITE_SINGLE_BLOCK)
Command
transmission
started
Command
Single block write command execution sequence
(Block Size ≤ FIFO Size)
Command
response
Section 31 Multimedia Card Interface (MMCIF)
Rev. 1.00 Oct. 01, 2007 Page 1343 of 1956
Write data
Status
Busy
REJ09B0256-0100