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MSP430F5438 抗干扰问题



我现在用5438了款产品,晶振16M,pcb板4层,中间3.3v,gnd,

现在打群脉冲,0.1kV都打不过,

请教一下,这样的干扰,跟软件有初始化时有关系吗?

硬件实在找不出什么问题了,怎么也想不到为什么会这么容易受干扰,