一、概述MCS—51单片机是美国Intel系列的一种高性能八位单片机产品。它以特有的位功能处理能力和多种串行通讯方式得到广大计算机应用人员的喜爱,并由于它的造价低、体积小,目前在国内微计算机应用领域中正得到广泛的应用。我们根据国内大多数用户所具有的微机设 I. Overview MCS-51 single-chip microcomputer is the United States Intel series of high-performance eight-bit microcontroller products. It has unique bit-function processing capabilities and a variety of serial communication methods have been loved by the majority of computer applications, and because of its low cost, small size, is currently in the domestic micro-computer applications are being widely used. We are based on the majority of domestic users have set the computer