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    碰到一个R329的诡异问题 (问题已解决,原因是没有认真阅读手册)

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    • whycan
      whycan晕哥 LV 9 last edited by whycan

      碰到一个R329的诡异问题,
      R329全志官方开发板,spi nand启动可以识别tf卡,可是该卡不能启动,但是这张卡可以在荔枝派R329开发板启动

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      • whycan
        whycan晕哥 LV 9 last edited by

        b36e1b5b-78b5-4054-ac2a-200b3f88e98a-image.png

        左边是官方R329开发板插着TF卡启动(实际上从SPI NAND启动)的记录。
        右边是SIPEED的开机LOG,从TF卡启动。

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        • whycan
          whycan晕哥 LV 9 last edited by

          4b0525ce-ebdd-406d-9b9f-ea698b5a5d32-3527C7130321A0B3485206FBA3D05F45.jpg

          BOOT-SEL 不论是拉高还是拉低都不能从TF卡启动。

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          • whycan
            whycan晕哥 LV 9 last edited by whycan

            再次仔细阅读R329手册,发现无论BOOT-SEL拉高还是拉低,TF Card的优先级都是最低的,真是不讲武德,和以前的SOC套路不同了😧 。

            e9a575fe-ffb9-4910-8638-22ec2c9d363a-image.png

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            • whycan
              whycan晕哥 LV 9 last edited by

              b67b020b-0986-4e36-8c6c-5b48f471e61d-9D0E77A105D901C80A138B99E5016F99.jpg

              短路 SPI FLASH 1 / 4 PIN, TF卡终于欢快跑起来了。

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