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你好，我们公司购买了DS250DF230,制作了一个QSFP28的板，现在想通过SigCon Architect EVM GUI调试，DS250DF230读取眼图。已经连接但是不出现眼图，请问该怎么设置，这是什么问题？
您好，当CDR lockded时候， 才会产生眼图。
并且这里提示并未检测到信号。建议参考DS250DF230的EVM user's guide中的步骤试试，看是否能成功：
www.ti.com.cn/.../snlu238a.pdf
