SH7785 Datasheet, PDF (1261/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

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