W83176R-733/W83176G-733

双组DDR缓存用于VIA芯片组

表的内容 -

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4.

5.

概述......................................................................................................... 1

产品特点.............................................................................................................. 1

引脚配置............................................................................................................... 1

框图...................................................................................................................... 2

PIN DESCRIPTION..................................................................................................................... 3

5.1

5.2

6.

7.

时钟功能Pins..................................................................................................................3

控制信号Pins...................................................................................................................3

电源引脚............................................................................................................................. 4

I2C控制和状态寄存器............................................. ................................. 4

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

7.10

7.11

7.12

寄存器0 注册5保留............................................ ........................................... 4

寄存器6：输出控制（ 1 =启用， 0 =禁用） （默认值： FFH ） ............................... 4 .......

寄存器7 ：输出控制（ 1 =启用， 0 =禁用） （默认值： FFH ） ............................... 4 .......

寄存器8 注册17保留............................................ ................................... 5

斜步参考表......................................................................................................5

寄存器18：偏移控制（默认值： 88H ） ........................................ ........................................ 5

寄存器19：偏移控制（默认值： 80H ） ........................................ ........................................ 5

压摆率参考表.........................................................................................................6

注册20 ：斜度&斜率控制（默认： 8Ah表示） ..................................... ..................... 6

注册21 ：斜率控制（默认： AAh时） ....................................... ................................ 6

注册22 ：斜率控制（默认： AAh时） ....................................... ................................ 6

注册23 ：斜率控制（默认： AAh时） ....................................... ................................ 7

块写入协议.................................................................................................................8

块读Protocol.................................................................................................................8

字节写Protocol...................................................................................................................8

字节读协议..................................................................................................................8

绝对最大额定值............................................... .......................................... 9

AC CHARACTERISTICS.........................................................................................................9

DC特性........................................................................................................9

8.

访问接口................................................................................................................ 8

8.1

8.2

8.3

8.4

9.

规格...................................................................................................................... 9

9.1

9.2

9.3

10.

11.

12.

订购INFORMATION..................................................................................................... 10

如何阅读顶部标记............................................ .......................................... 10

包装图和尺寸.............................................. ................................ 11

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