Renesas SH7781 - Manual (Page 1250)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1220 of 1658
REJ09B0261-0100
CMD11 (READ_DAT_UNTIL_STOP)
CMD12
(STOP_TRANSMISSION)
Input/output
pins
Transfer clock
transmission resumed Transfer clock
transmission resumed
Stop command
execution sequence
Data reception
resumed
Data reception ended
Read data from FIFO
Stream read command execution sequence
MMCCLK
MMCCMD
MMCDAT
CMDSTRT
(CMDSTART)
INTSTR0
(CMDI)
(CMDOFF)
CSTR
(CWRE)
(BUSY)
(REQ)
(CRPI)
(DTI)
(FFI)
(FIFO_FULL)
OPCR
(RD_CONTI)
Command
Read data
Read data
Read data
Command
response Command Command
response
Command
transmission
started
Transfer clock
transmission
halted
Data reception
suspended
Figure 24.11 Example of Command Sequence for Commands with Read Data
(Stream Transfer)