我的输入信号为0-3.3V,其中有效信号为0-2.5V,为了提高精度我用了外部2.5V基准,问下输入信号超过2.5V但小于3.3V时会不会对单片机造成伤害?单片机用3.3V供电
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我的输入信号为0-3.3V,其中有效信号为0-2.5V,为了提高精度我用了外部2.5V基准,问下输入信号超过2.5V但小于3.3V时会不会对单片机造成伤害?单片机用3.3V供电