h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 722

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Multimedia Card Interface (MCIF)
Rev. 3.00 Jan 25, 2006 page 670 of 872
REJ09B0286-0300
FIFO_EMPTY
DTBUSY_TU
(CMDSTRT)
(INTSTR0)
CMDOFF
DATAEN
DTBUSY
MCCMD
MCCLK
MCDAT
(OPCR)
START
(CSTR)
CWRE
DBSYI
BUSY
CMDI
CRPI
DRPI
REQ
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).
DTI
FEI
Single-block data write (Block size ≤ Transmit data FIFO size)
Figure 19.12 Example of Command Sequence for Commands with Write Data (1)
CMD24 (WRITE_SINGLE_BLOCK)
Command
transmission
started
Command
Single-block write command execution sequence
Command response
Write data
Status
Busy