将设备连接到Uniflash上,烧写返回ACK无应答。现象:3.3V供电电压正常,DCDC_DIG_SW电压:1.26V,DCDC_PA_OUT电压:1.53V,DCDC_ANA_SW电压:3.3v,40M晶振的去耦电容电压分别是:1.1v和0.8V。请问上述电压哪里有异常么?造成的原因可能是什么?
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