基于单片机AT89C52的频率计的设计

Design of frequency meter based on AT89C52 single-chip computer

在电子技术中,频率作为电子电工学中的一个重要参数,对频率的测量就显尤为重要。系统应用单片机的数学运算和控制功能,采用单片机AT89C52作为核心器件,采用模块化布局,设计一个数字化频率计,该系统实现了测量量程的自动切换,既满足测量精度的要求,又满足系统反应时间的要求,系统具有体积小、成本低、可靠性高、测频范围宽等优点。

In electronic technology, frequency is one of the important parameters in electronic electrical engineering and so, frequency measurement seems to be especially important. This system applies single-chip mathematical calculation and control function, using the single-chip microcomputer AT89C52 as the core device and using modular layout to design a digital frequency meter. This system realizes the measuring range automatic switching, which can not only meet the requirements of the measurement accuracy, but also the system response time. The system has the advantages of small volume, low cost, high reliability, wide range of frequency measurement etc..