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如题，两个GMII PHY，但是DM8168只有一个MDCLK，MDIO，是不是都接到两个PHY:ETC1011
如果是一个DM8168的MDCLK，MDIO都接到两个PHY，请问数据通信怎么分别，谢谢
PHY 上通常是数个管脚，可以接上下拉电阻来指定PHY ID/Address的。 MDIO上通过这个来区分不同设备
