SH7203 Datasheet, PDF(380/1686 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

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SH7203 Datasheet, PDF (380/1686 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

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Section 9 Bus State Controller (BSC)

CKIO

A25 to A0

BA1*1

BA0*2

A12/A11*3

CSn

RASL, RASU

CASL, CASU

RD/WR

DQMxx

D31 to D0

BS

DACKn*4

Tp Tpw Trr Trc

PALL

REF

Trc Trr Trc

REF

Hi-Z

Trc Tmw Tnop Temw Tnop

MRS

EMRS

Notes: 1. Address pin to be connected to pin BA1 of SDRAM.

2. Address pin to be connected to pin BA0 of SDRAM.

3. Address pin to be connected to pin A10 of SDRAM.

4. The waveform for DACKn is when active low is specified.

Figure 9.33 EMRS Command Issue Timing

Rev. 2.00 Apr. 16, 2008 Page 350 of 1652

REJ09B0313-0200

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