R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 276

• 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)
(3)
Rewriting of SDRAMC registers should only be performed when all of the conditions listed in
table 9.11 are satisfied.
Table 9.11 Register Rewrite Conditions
Page 248 of 1190
Function/Operation
Self-refresh
Auto-refresh
Initialization sequence
Power-down
Deep-power-down
Address register settings
Timing register settings
SDRAMC Register Setting Conditions
Register
SDRFCNT0
SDRFCNT1
SDIR0
SDIR1
SDPWDCNT
SDDPDCNT
SD0ADR,
SD1ADR
SD0TR,
SD1TR
Conditions
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SDRAM access disabled (set in SDRAMCm*
Auto-refresh enabled (DRFEN = 1)
Power-down disabled (DPWD/DPWDCI = 0)
Deep-power-down disabled (DDPD/DDPDCI = 0)
Self-refresh disabled (DSFEN/DSFENCI = 0)
Power-down disabled (DPWD/DPWDCI = 0)
Before start of initialization sequence
After reset or after recovery from deep-power-
down
SDRAM access disabled (set in SDRAMCm*
Auto-refresh enabled (DRFEN = 1)
Self-refresh disabled (DSFEN/DSFENCI = 0)
Deep-power-down disabled (DDPD/DDPDCI = 0)
SDRAM access disabled (set in SDRAMCm*
Self-refresh disabled (DSFEN/DSFENCI = 0)
Auto-refresh disabled (DRFEN = 0)
Power-down disabled (DPWD/DPWDCI = 0)
Auto-refresh disabled (DRFEN = 0)
SDRAM access disabled (set in SDRAMCm*
Self-refresh disabled (DSFEN/DSFENCI = 0)
Power-down disabled (DPWD/DPWDCI = 0)
Deep-power-down disabled (DDPD/DDPDCI = 0)
Self-refresh in progress (DSFEN/DSFENCI = 1)
or
Self-refresh disabled (DSFEN/DSFENCI = 0)
Auto-refresh disabled (DRFEN = 0)
SDRAM access disabled (set in SDRAMCm*
R01UH0026EJ0300 Rev. 3.00
SH7201 Group
Sep 24, 2010
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