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您好,您参考下面这个帖子是否对您的问题有所帮助:这个帖子中也是ECCERR已经置位,分析原因是外部产生 ECC 错误可能和器件损坏,或者访问期间发生的某种电压或时钟中断,从而导致位损坏,最终分析是从原理图入手的,您参考下: