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6678连接以太网交换芯片配置

Expert 1194 points

  我想使用6678的MDIO来配置以太网交换芯片,但是我在手册和程序中只看到了配置PHY,请问有关于配置以太网交换芯片的例程么?配置PHY和以太网交换芯片有什么区别?