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请问28335的高低电平是怎么识别的，高电平范围为多少能当成高电平
比如3.3的IO的供电，现在输入电压为2V，芯片能否识别为高电平？？？
求解答
eassion yin 你好，
从28335的数据手册可以找到，当输入电压为2V-VDDIO（一般最大为3.465V）时，可以作为高电平。（详见datasheet 117页）
