Renesas SH7781 - Manual (Page 1249)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1219 of 1658
REJ09B0261-0100
MMCCLK
MMCCMD
MMCDAT
CMDSTRT
(CMDSTART)
INTSTR0
(CMDI)
(CMDOFF)
CSTR
(CWRE)
(BUSY)
(REQ)
(CRPI)
(DTI)
(FFI)
(BTI)
(FIFO_FULL)
CMD18 (READ_MULTIPLE_BLOCK)
CMD12
(STOP_TRANSMISSION)
OPCR
(RD_CONTI)
Input/output pins
Transfer clock
transmission halted Transfer clock
transmission resumed
Read data
Block data
reception ended
Multiblock read command execution sequence
Stop command
execution sequence
Command Command
Command
transmission started
Command
response
Read data Read data
Command
response
Figure 24.10 Example of Command Sequence for Commands with Read Data
(Multiple Block Transfer)