Renesas SH7781 - Manual (Page 1261)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1231 of 1658
REJ09B0261-0100
MMCCLK
MMCCMD
MMCDAT
CMDSTRT
(CMDSTART)
INTSTR0
(CMDI)
(CMDOFF)
CSTR
(CWRE)
(BUSY)
(DTBUSY)
(DTBUSY_TU)
(REQ)
(CRPI)
(DRPI)
(DBSYI)
(DTI)
(FEI)
(FIFO_EMPTY)
CMD25 (WRITE_MULTIPE_BLOCK) CMD12(STOP_TRANSMISSION)
OPCR
(DATAEN)
Input/output pins
Write data Write data Write data
Status Status
Block data
transmission
started Block data
reception
ended Next block data
transmission
started
Stop-command
execution sequence
Command Command
response Command Command
response
Command
transmission
started
Figure 24.17 Example of Command Sequence for Commands with Write Data
(Multiple Block Transfer)