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TPS389C03-Q1: RST被拉低

Part Number: TPS389C03-Q1


你好,TPS389C03-Q1这颗料遇到一个问题,就是一上电后,RST很快就被拉低了。不知道是BIST的原因,还是因为监测电压阈值原因,目前没有操作过任何寄存器,RST有做上拉,主要检测5V和3.3V,具体参考附件图片,请问有什么方法改善,谢谢