摘要
以单片机AT89C52为核心,设计了一种频率计,从硬件电路和软件程序两方面详细介绍了这种频率计的工作原理及技术关键,实验表明测试精度极高,希望对科研、教学、制造业有所帮助。
This paper design a cymometer for using AT89C52, to give a detailed introduction about working principle and technical key of this instrument from hardware circuit and software program. By experiment, it has been proved that testing precision is sky-high. Maybe, it is of aid to scientific research, teaching and manufacturing industry.
出处
《苏州大学学报（工科版）》
CAS
2009年第4期33-35,共3页
Journal of Soochow University Engineering Science Edition (Bimonthly)
关键词
频率计
单片机应用
数字仪器
cymometer
application of MCS-51
digital instrument
