单片微计算机(亦称微控制器)是目前国际上公认最适应于工业控制、测试的微型计算机.它在测控方面所呈现的诸多优点远远优于一般同位数的通用处理机.随着集成度的不断提高以及最新、最先进技术的不断应用,使单片机总的发展趋势为不断提高其功能,采用改进的CMOS工艺加强可靠性并降低功耗. Microcontroller (also known as microcontroller) is internationally recognized as the most suitable for industrial control and testing of the microcomputer. It has many advantages in monitoring and control presented far superior to the general parity with the general purpose processor. With The continuous improvement of integration and the continuous application of the latest and most advanced technologies have led to the overall development trend of the single chip microcomputer to constantly improve its functions, improve the reliability and reduce the power consumption by adopting the improved CMOS process.