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自制的CC3200 板子 ,供电电压3.3V,内部3个电压输出异常

MCU部分原理图:

大神们看看有什么问题:

DCDC_ANA_SW和DCDC_PA_SW电压输出基本为0V   , DCDC_DIG_SW输出有700mv到1.2v的锯齿波形。