Renesas SH7781 - Manual (Page 1244)

24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1214 of 1658
REJ09B0261-0100
MMCCLK
MMCCMD
MMCDAT
CMDSTRT
(CMDSTART)
INTSTR0
(CMDI)
CSTR
(CWRE)
(BUSY)
(REQ)
(CRPI)
(DBSYI)
(DTBUSY_TU)
(DTBUSY)
Input/output pins
Command output (48 bits)
Command transmission
started
Command response
reception
Command transmission
period
Command sequence execution period
Response reception
completed
Data busy period
Busy state
ends
(Busy state)
Figure 24.6 Example of Command Sequence for Commands without Data Transfer
(with Data Busy State)