我用的TM4C123GH6PZ,想差分采样,问一下可以采负压吗?电压范围是多少?
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我用的TM4C123GH6PZ,想差分采样,问一下可以采负压吗?电压范围是多少?
你指的负压是说单路的电压是负的还是差分的电压是负的?
M4的ADC输入脚电压一定要在0~VDDA之间。差分的电压值可以是负的。