SH7763 Datasheet, PDF (1410/2026 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
(DA TA EN)
(CMDOFF)
INTSTR0
(CMDI)
(CRPI)
(DTI)
(DRPI)
(DBSYI)
(FEI)
CSTR
(CWRE)
(BUSY)
(FIFO_EMPTY)
(DTBUSY)
CMD24 (WRITE_SINGLE_BLOCK)
Command
Command
transmission
started
Command
response
Transfer clock
transmission Transfer clock
halted
transmission resumed
Write data
Write data
Busy
Block data
transmission Block data
suspended transmission resumed
Writing data to FIFO
Single block write command execution sequence
(DTBUSY_TU)
(REQ)
Figure 31.14 Example of Command Sequence for Commands with Write Data
(Block Size > FIFO Size)
Rev. 1.00 Oct. 01, 2007 Page 1344 of 1956
REJ09B0256-0100