R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 294

• 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)
(d)
The correspondence between the SDRAMm timing register (SDmTR) set values and the read and
write access timing is described below.
• Multiple Read Timing Setting Examples
Table 9.12 SDITR Set Value Correspondence Table (Multiple Read Timing)
Page 266 of 1190
Figure
Figure 9.30
Figure 9.31
Figure 9.32
Figures 9.30 to 9.32 show the correspondence between the timing of multiple read operations
involving 4 data units and the set values of the SDRAMm timing register (SDmTR). Table
9.12 shows the SDRAMm timing register (SDmTR) set values for each figure.
Timing Register Set Values and Access Timing
CKIO
SDRAM command
Data bus
DRAS
010
000
000
Figure 9.30 Multiple Read Timing Example 1
ACT: Row and bank activation command
RD:
PRA: Precharge-all command
(ACT-RD)
DRCD
ACT
Read command
(ACT-PRA)
DRAS
RD
DRCD
00
01
01
(RD-d)
DCL
RD
Multiple read
RD
d0
DPCG
001
001
001
RD
d1
PRA
d2
(PRA-next)
DPCG
R01UH0026EJ0300 Rev. 3.00
DSL
d3
DCL
010
010
011
SH7201 Group
Sep 24, 2010