2013 年 8月 28 日随笔档案 - cl1217982730

2013年8月28日

摘要： Four different clock sources can be used to drive the system clock (SYSCLK):1、HSI ((high-speed internal) oscillator clock2、HSE (high-speed external) oscillator clock3、PLL clock4、MSI (multispeed internal) oscillator clockThe MSI is used as system clock source after startup from Reset, wake-up from St 阅读全文

posted @ 2013-08-28 09:22 cl1217982730 阅读(605) 评论(0) 推荐(0)