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探头测试dsp的输出高电平信号引脚时不小心碰到低电平会烧坏引脚吗?



测试dsp输出高电平的信号引脚过程中示波器的探针不小心碰到了低电平引脚,后来发现引脚信号异常,请问是不是引脚短路了,dsp引脚有没有短路保护