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您好，我对DP83649进行了操作，MDIO操作总是不成功，附件为电路连接和一个读操作过程，请帮忙分析一下
对照手册，发现地址不对，A端口应该为5'b00000；B端口应该为5'b00001。但是修改过端口地址后，仍然不通
有DP83649?
