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关于DS64MB201运用问题

Other Parts Discussed in Thread: DS64MB201, TS3DV642

目前有个专案需用到SATA切换器,即将一组SATA1.0信号切换成两路,通过控制信号来选择哪一路通SATA1.0。在TI芯片里找到DS64MB201,比较符合要求。但具体运用上还有不明之处,该芯片具有输入Equalization和输出De-Emphasis。怎么才能关闭这两个功能,我只是用该芯片来进行SATA1.0信号切换。另外如下所示 Equalization Input设置等级时,三个档都是针对3GHz速率来讲,那我的信号是1.5GHz呢,是一样的吗?