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大家好：我要用两块DSP实现同步采样，控制处理芯片我选用的是OMAP-L138，以太网接口芯片我选用的是DP83640，通过PTP协议实现同步采样，请问关于以太网接口部分有什么参考电路没有？
附件是DP83640与TMS570通过MII接口连接的图，供参考。
