R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 300

• Manufacturer Part Number: R0K572011S000BE
• Description: KIT STARTER FOR SH7201
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572011S000BE

• Contents: CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
• For Use With/related Products: SH7201
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 9 Bus State Controller (BSC)
• Single Write Timing Setting Examples
Table 9.15 SDITR Set Value Correspondence Table (Single Write Timing)
Page 272 of 1190
Figure
Figure 9.39
Figure 9.40
Figure 9.41
Figures 9.39 to 9.41 show the correspondence between the timing of single write operations
and the set values of the SDRAMm timing register (SDmTR). Table 9.15 shows the
SDRAMm timing register (SDmTR) set values for each figure.
CKIO
SDRAM command
Data bus
Note: If the interval set in DRAS is longer than the period from when the WR
DRAS
010
000
000
command is issued until the DWR interval elapses, the DRAS setting
is used.
Figure 9.39 Single Write Timing Example 1
(ACT-WR)
ACT: Row and bank activation command
WR: Write command
DSL: Deselect command
PRA: Precharge-all command
DRCD
ACT
DRCD
00
01
01
(ACT-PRA)
DRAS
(WR-PRA)
WR
DWR
d
Single write
DSL
DPCG
001
001
001
PRA
(PRA-next)
DPCG
DSL
R01UH0026EJ0300 Rev. 3.00
DWR
0
0
1
SH7201 Group
Sep 24, 2010