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关于C6748与DP83822的MII接口



您好,设计C6748与DP83822的MII接口,调试发现网口不能通信?不焊C6748仅保留DP83822周围电路网口能通,不知道问题出在哪里?

看DP83822手册上Boostrap,设置成MII接口RX_DV和RX_ER设置成悬空模式?有啥问题,谢谢;