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看到一个视频是讲解AM335X开发板的外扩ethercat的，请问大家有没有这个开发版的原理图或者其他外扩有ethercat芯片的 原理图？ 谢谢
http://www.ti.com/tool/tmdsice3359?keyMatch=ice&tisearch=Search-EN-Everything
