时钟系统

PLLCLK~72M

HSE  ~~~8M

HSI  ~~~8M

SYSCLK~72M

 usb是48MHz

 

 

 

 

posted @ 2018-07-11 15:36  踏实，勿忘初心  阅读(147)  评论(0)  编辑  收藏  举报
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