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28035 AD口最大允许输入电压跟I-O口是一样吗?都是3.3V?
和IO口是一样的。
ERIC
这个最好还是以手册为主 早起的MCU都是0-3V
现在的都是3.3V
硬件设计上建议在AD口增加钳位电路 避免损害AD口