基于proteus的数字频率计的设计与仿真

Design and Simulation of digital frequency meter based on Proteus

介绍了一种对任意信号频率进行测量的仿真设计。该系统用AT89C51单片机为控制核心,基于proteus仿真平台,结合数字时钟信号源的图表仿真,给出了针对数字脉冲信号频率测量的设计电路图,验证了设计正确可行。

Based on Proteus simulation platform,the AT89C51 microcontroller as the core,Digital frequency meter designed using its internal timer / counter,Measurement of arbitrary signal frequency can be accomplished. This paper discusses the principle and method of digital frequency meter,Simulation of Proteus chart with digital clock signal source,The design circuit diagram of digital pulse signal frequency measurement is given,And verify its correctness by simulation.