各位好,如果我只想让uPP口的A/B通道的电平的电平为1.8V,而其他的依然是3.3V,需要怎么操作呢??
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各位好,如果我只想让uPP口的A/B通道的电平的电平为1.8V,而其他的依然是3.3V,需要怎么操作呢??