J5端口供电17V,MSP430通过USB供电,断开J10和J8的跳冒,J9和J6的2脚外部输入5V(背面焊点为圆),但OUT没有电压输出;电源指示灯只有3.3V LED D3亮。
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J5端口供电17V,MSP430通过USB供电,断开J10和J8的跳冒,J9和J6的2脚外部输入5V(背面焊点为圆),但OUT没有电压输出;电源指示灯只有3.3V LED D3亮。