Each DP83848I or port sharing an MDIO bus in a system must have a unique physical address.
共用一个MDIO总线的每个DP83848I或接口，在系统里都必须有一个独有的物理地址。
MDIO interface module block is an interface that is used in MAC level to control and manage PHY devices.
MDIO接口模块为以太网接口芯片中MAC层对PHY器件的控制管理接口。
MDIO interface module block is an interface that is used in MAC level to control and manage PHY devices.
MDIO接口模块为以太网接口芯片中MAC层对PHY器件的控制管理接口。
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