| 基于AT89C51单片机的频率计设计方法的研究 |
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| 引用本文： | 任小青,王晓娟.基于AT89C51单片机的频率计设计方法的研究[J].青海大学学报,2009,27(2). |
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| 作者姓名： | 任小青 王晓娟 |
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| 作者单位： | 青海大学机械系,青海,西宁,810016
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| 摘 要： | 采用单片机AT89C51作为系统控制单元,辅以适当的软、硬件资源完成以单片机为核心的频率计设计。介绍了内部计数器计数法、外部计数器计数法、测周期法3种测量频率的方法,并对每种设计方法进行了优缺点比较。
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| 关 键 词： | 频率计 频率测量 单片机 |
Research on a cymometer design method based on a singlechip AT89C51 |
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| REN Xiao-qing,WANG Xiao-juan.Research on a cymometer design method based on a singlechip AT89C51[J].Journal of Qinghai University(Natural Science),2009,27(2). |
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| Authors: | REN Xiao-qing WANG Xiao-juan |
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| Institution: | Mechanical Engineering Department of Qinghai University;Xining 810016;China |
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| Abstract: | A cymometer use a singlechip AT89C51 as the system control unit with appropriate software and hardware resources is designed in this paper and three kinds of freguency measuring methods,internal counter countiong method,external counter counting method and measuring cycle method,are introduced too.The advantages and disadvantages on the three methods are compared at last. |
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| Keywords: | cymometer frequency measurement singlechip |
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