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AM5728从SD卡启动失败

Other Parts Discussed in Thread: AM5728

按照开发板自己做了2块AM5728的板子,之前2个月了一直能从SD卡成功boot起来,使用正常,今天1块突然不行了。测了PMIC输出的电源值都正常,AM5728的晶振频率20M也正确。把boot启动时输出的代码截图了,对比了正常的和失败的,附图如下,请TI专家帮助分析一下原因,谢谢!