如题，发现问题过程：太阳能产品，有时更换电池后，430不能正常启动，遮住太阳能板，重新上电池正常；
测试：用可调稳压电源，从0V手动快速升压至3.3V，发现不能正常工作，此时430复位管脚无效，缓慢升压至3.3V正常；直接3.3V供电，无此现象；
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msp430F427低压启动锁死，电压正常后也不能进入正常工作状态，RST无效
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MSP 低功耗微控制器论坛 - 最近的话题
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