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求助！3352内部LDO输出不对。

user1565372
Prodigy 140 points


AM3352使用65910供电，电源测试均正常后，测试3352内部LDO输出，VDD_MPU_MON=1.1V，
CAP_VDD_SRAM_CORE = 0V，CAP_VDD_SRAM_MPU = 0V，CAP_VBB_MPU = 1.1V
，CAP_VDD_RTC = 1.1V 。CAP_VDD_SRAM_CORE 和CAP_VDD_SRAM_MPU没有输出，可能是什么原因？