本文从应用角度介绍了数控可编程电位器DS1867的结构与编程要点,探讨了DS1867与51单片机的接口形式,通过软件时序仿真实现SPI操作,并给出了具体的接口电路及驱动程序,最后对提高数控电位器精度作了较为详细的介绍。
This paper Discusses the structure and programming essentials of programmable resistance DS1867 and Discuses the interface of DS1867 with 51 micro-controller also. The SPI operation has been achieved through the software timing simulation. It shows the material interface and driver circuit. At last, it has been introduced detail to improve the accuracy of the programmable resistance DS1867.
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