Figure 19.12 Example Of Command Sequence For Commands With Write Data (1) - Renesas H8S/2158 User Manual

Section 19 Multimedia Card Interface (MCIF)
sequence is detected by poling the BUSY flag in CSTR, the data transfer end interrupt (DTI),
or the data response end interrupt (DPRI).
• The end of the data busy state is detected by poling the DTBUSY flag in CSTR or by the data
busy end interrupt (DBSYI).
Single-block data write (Block size ≤ Transmit data FIFO size)
MCCLK
CMD24 (WRITE_SINGLE_BLOCK)
MCCMD
Command
MCDAT
Command
(CMDSTRT)
transmission
started
START
(OPCR)
DATAEN
CMDOFF
(INTSTR0)
CMDI
CRPI
DTI
DRPI
DBSYI
FEI
(CSTR)
CWRE
BUSY
FIFO_EMPTY
DTBUSY
DTBUSY_TU
REQ

Figure 19.12 Example of Command Sequence for Commands with Write Data (1)

Rev. 3.00 Jan 25, 2006 page 670 of 872
REJ09B0286-0300
Command response
Single-block write command execution sequence
Status
Write data Busy