This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
对于4对发送或4对接收信号,最好分别做到等长。当然所有的MII信号都要做到50Ω的串联串联阻抗,一般建议在走线上串联电阻。
附件我贴了一个关于PHY的layout 指导,你可以参考下,另外你可以看看DP83848,性能非常好。