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1 个月
【GD32 MCU 入门教程】GD32 MCU 常见外设介绍(1)RCU 时钟介绍
本章,我们将通过一个“输出HXTAL时钟信号” 的实验来熟悉RCU的工作流程。 GD32系列MCU在启动后首先会执行Reset Handler,紧接着就会执行SystemInit()函数,而时钟的初始化,就是在这个函数中进行,其主要的功能是配置系统时钟CK_SYS(即主频),AHB、APB1以及APB2时钟。
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