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您好!
VDD 通常为3.3V? 在这种情况下、GPIO 高电平输出电压为3.3V?
这是正确的、具体取决于您正在驱动的负载。
MCU 手册的背面展示了 GPIO 输出性能@不同的电流电平。 一般而言-电流消耗越高、输出电压越低...
如果您寻求生成更高的输出电压、则有"电压转换器 IC"可实现有效的电压电平转换...