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28034烧进程序后,不能脱机运行



28034烧进程序后,不能脱机运行,不知什么原因,有没有碰到类似问题的?

我上电检测内核电压1.92V。Vddio3.3v正常。复位芯片使用示波器检测过了,没有问题。