canl和canh是3.3v供电,能否转成5v供电的rx和tx呢,二者如果电压不同,会出现错误吗?
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您好,VCC1的电压范围为1.71~5.5V的电压范围,所以VCC1可以是1.8V,可以是3.3V或5V,但是VCC2的电压范围为4.5~5.5V范围,所以VCC2为3.3V是不允许的。