SH7763 Datasheet, PDF (1401/2026 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)
(CMDOFF)
INTSTR0
(CMDI)
(CRPI)
(DTI)
(FFI)
CSTR
(CWRE)
CMD17 (READ_SINGLE_BLOCK)
Command
Command response
Transfer clock
Transfer clock
transmission halted transmission resumed
Block data
Block data
reception suspended reception resumed
Command
transmission
started
Read data
Read data
Reading data
from FIFO
(BUSY)
(FIFO_FULL)
Single block read command execution sequence
(REQ)
Figure 31.8 Example of Command Sequence for Commands with Read Data
(Block Size > FIFO Size)
Rev. 1.00 Oct. 01, 2007 Page 1335 of 1956
REJ09B0256-0100