Figure 19.13 Example Of Command Sequence For Commands With Write Data (2) - Renesas H8S/2158 User Manual

Single-block data write (Block size > Transmit data FIFO size)
MCCLK
CMD24 (WRITE_SINGLE_BLOCK)
MCCMD
Command
MCDAT
Command
transmission started
(CMDSTRT)
START
(OPCR)
DA TA EN
CMDOFF
(INTSTR0)
CMDI
CRPI
DTI
DRPI
DBSYI
FEI
(CSTR)
CWRE
BUSY
FIFO_EMPTY
DTBUSY
DTBUSY_TU
REQ

Figure 19.13 Example of Command Sequence for Commands with Write Data (2)

Command response
Single-block read command execution sequence
Section 19 Multimedia Card Interface (MCIF)
Transfer clock Transfer clock
transmission halted transmission resumed
Write data Write data
Block data
Block data
transmission
transmission
suspended resumed
Reading data
from FIFO
Rev. 3.00 Jan 25, 2006 page 671 of 872
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