R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 311

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: Compliant

Note:
Bit
1, 0
* If both areas 2 and 3 are specified as SDRAM, WTRP[1:0], WTRCD[1:0], TRWL[1:0],
and WTRC[1:0] bit settings are used in both areas in common.
If only one area is connected to the SDRAM, specify area 3. In this case, specify area 2
as normal space or SRAM with byte selection.
Bit Name
WTRC[1:0]* 00
Initial
Value
R/W
R/W
Description
Number of Idle Cycles from REF Command/Self-
Refresh Release to ACTV/REF/MRS Command
Specify the number of minimum idle cycles in the
periods shown below.
•
•
The setting for areas 2 and 3 is common.
00: 2 cycles
01: 3 cycles
10: 5 cycles
11: 8 cycles
From the issuance of the REF command until the
issuance of the ACTV/REF/MRS command
From releasing self-refresh until the issuance of the
ACTV/REF/MRS command.
Rev. 3.00 Sep. 28, 2009 Page 279 of 1650
Section 9 Bus State Controller (BSC)
REJ09B0313-0300