stm32给k210供电

STM32给K210供电的原因是因为一般的STM32F103C8T6最小系统上自带一块线性稳压器，它可以将K210的5V电源转化为3.3V给STM32芯片供电。这样做是为了方便测试。但需要注意的是，如果你的STM32上没有线性稳压器，就需要单独给STM32芯片供电。\[1\]
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