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通过数控直流稳压电源设计实例介绍了Proteus在单片机仿真开发中的实践应用。数控直流稳压电源采用高可靠性的AT89C51单片机作为核心控制芯片,系统由具有8位分辨率的双通道A/D转换芯片ADC0808、电流输出型8位D/A转换器DAC0832、电流放大模块电路、显示模块电路组成。通过Proteus软件成功实现了数控直流稳压电源的设计仿真过程,经仿真表明,利用Proteus软件进行仿真设计可极大地简化单片机程序在目标硬件上的调试工作。
The practical application of Proteus in SCM simulation development is introduced through the design of NC DC power supply. The DC-DC power supply adopts high reliability AT89C51 as the core control chip. The system consists of a dual-channel A / D converter ADC0808 with 8-bit resolution, a current output 8-bit D / A converter DAC0832, a current amplification module circuit , Display module circuit. The successful design and simulation of DC-DC power supply are realized by Proteus software. The simulation shows that using Proteus software to simulate the design can greatly simplify the debugging of the MCU on the target hardware.