SH7763 Datasheet, PDF (1402/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 31 Multimedia Card Interface (MMCIF)
Input/output pins
CLK
CMD
DAT
CMDSTRT
(START)
OPCR
(RD_CONTI)
CMD18 (READ_MULTIPLE_BLOCK)
Transfer clock
transmission
halted
Command Command
response
Read data
Read data
Command
transmission started
Transfer clock transmission resumed
CMD12 (STOP_TRANSMISSION)
Read data ^Command
Command
response
Block data
reception ended
(CMDOFF)
INTSTR0
(CMDI)
(CRPI)
(DTI)
(FFI)
CSTR
(CWRE)
(BUSY)
(FIFO_FULL)
(REQ)
Multiblock read command execution sequence
Stop command
execution sequence
Figure 31.9 Example of Command Sequence for Commands with Read Data
(Multiblock Transfer)
Rev. 1.00 Oct. 01, 2007 Page 1336 of 1956
REJ09B0256-0100