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2 天
GPIO和寄存器的关系.md
我们要如何利用HAL来配置GPIO各个引脚的状态从而控制硬件呢?下面我依次为大家讲解。 1.GPIO和寄存器和时钟的关系 观察原理图,我们不难发现,有PA0,PB1...之类的,既然上文说谈到了PXX类型的是GPIO的引脚,那中间的A,B,C这些字母代表的什么呢? 这是GPIO的不同的 ...
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