基于AT89C51单片机波形发生器的Proteus设计

The design based on the AT89C51 single-chip waveform generator Protetus

波形发生器在电子设计、实验教学中占有极其重要的地位,并且被广泛应用。研究了在Proteus环境下波形发生器的设计方法,以AT89C51单片机为核心器件,程序设计采用C语言,Keil软件编译程序段,配以相关外围接口电路,实现了方波、锯齿波、正弦波、三角波等四种特定波形的产生。仿真结果表明,改变C程序设计中递增变量大小以及电压输出电路有关参数数值,可以得到不同频率与幅值的任意一种波形,从而验证了其设计的正确性。

Waveform generator in the electronic design,experiment teaching occupies an extremely important status,and has been widely used.Study the Proteus environment waveform generator design methods,AT89C51 device,and the program design using C language,Keil software compiler section,match with related peripheral interface circuit,realize the square wave,sawtooth wave,sine wave,triangle wave of four kinds of specific waveform production.The simulation results show that the change of C program design variables and the increasing size voltage output circuit relevant parameters value,can get different frequency and amplitude of the arbitrary a wave,which has verified the correctness of design.