1 系统时钟树 单片机首先要在正确的时钟频率下才能正常工作,几乎外设的使用都会用到时钟,先了解一下原理也是不错的; 时钟树对系统的时钟结构进行了描述,时钟来源主要有4个,分别是HSI, HSE, LSI, LSE; 1.1 HSI 高速内部时钟信号: 由内部的RC振荡器生成,8MHz, 1.2 HS ...
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其他好文 时间:
2020-05-14 01:22:48
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62
Week 2 3.5.2020 Overview This week, we have mainly learned two parts: 1. How to match the same feature points in two images from different viewpoints. ...
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2020-05-12 00:03:20
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112
Shopping in Mars is quite a different experience. The Mars people pay by chained diamonds. Each diamond has a value (in Mars dollars M$). When making ...
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其他好文 时间:
2020-05-10 23:17:57
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64
1. Good Morning! 2. Good Morning! 3. How can help you? 4. I unserstand that the school organises... 5. umm, trips to different... 6. Yes, we run five ...
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2020-05-06 20:10:54
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95
7.6 Recommended Template Parameter Declarations 7.6 推荐的模板参数声明方法 As we learned in the previous sections, we have very different ways to declare paramet ...
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2020-05-03 21:56:04
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https://learn.unity.com/tutorial/diagnosing-performance-problems Diagnosing performance problems using the Profiler window Introduction Different prob ...
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其他好文 时间:
2020-04-25 00:34:38
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Problem : A matrix is Toeplitz if every diagonal from top left to bottom right has the same element. Now given an M x N matrix, return True if and onl ...
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2020-04-20 12:00:41
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问题: 给定一个n,有数组1~n, 排列该数组,使得数组两两元素之间的差值有k种。 Example 1: Input: n = 3, k = 1 Output: [1, 2, 3] Explanation: The [1, 2, 3] has three different positive int ...
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其他好文 时间:
2020-04-19 14:58:40
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57
Increasing Well-Being in Academia 2020-04-19 09:20:56 Source: https://medium.com/@isabelle.augenstein/increasing-well-being-in-academia-97f3ebc1599f A ...
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2020-04-19 11:19:32
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Problem : Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example 1: ...
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其他好文 时间:
2020-04-18 22:43:40
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