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    T113-s3外接以太网调试,简单的外围电路是否有问题

    其它全志芯片讨论区
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    • L
      lucky123456 LV 4 last edited by

      IMG_20230411_134430.jpg
      这个外围电路是否有问题
      QQ图片20230411134813.png

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      • whycan
        whycan晕哥 LV 9 @lucky123456 last edited by

        @lucky123456

        25M有没有起振?把芯片phy引脚再拖焊一下。

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        • L
          lucky123456 LV 4 @whycan last edited by

          @whycan 换phy芯片型号试了,之前的RTL8201CP一直这样,现在换了IP101GR,可以识别到网口了,不过现在有个问题,我udhcpc获取不到ip,这个有可能是什么原因

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          • whycan
            whycan晕哥 LV 9 @lucky123456 last edited by

            @lucky123456
            设静态IP地址可以ping通吗?

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            • L
              lucky123456 LV 4 @whycan last edited by

              @whycan ping不通,然后网关设置不下去

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              • L
                lucky123456 LV 4 @whycan last edited by

                @whycan 静态设置完ping不通,网关都无法设置

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                • whycan
                  whycan晕哥 LV 9 @lucky123456 last edited by

                  @lucky123456

                  https://oshwhub.com/GloomyGhost/34e1fe88b79f49b891df150db9c34cc4

                  参考这个原理图与PCB吧。

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                  • L
                    lucky123456 LV 4 @whycan last edited by

                    @whycan 好的,我看看

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                    • L
                      lucky123456 LV 4 @whycan last edited by

                      @whycan 可以了,会丢包,丢包可能是飞线的原因,之前同事没有把crs接到pe0,phy芯片的crs直接拉低了。用内部时钟和外部晶振都能起来了。感谢🙏

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