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AM5718上电发烫

Other Parts Discussed in Thread: AM5718, AM5728

你好:

          我这边使用的是AM5728EVM的原理图,但是CPU用的是AM5718,上电后,AM5728什么程序都没跑,AM5718就发烫得非常厉害。我们检测过电路的电压,都是正常的工作范围,为什么还会发烫这么严重呢?