单片机以其高可靠性、高性价比、低电压、低功耗等一系列优点，近几年得到迅猛发展和大范围推广，广泛应用于工业控制系统，数据采集系统、智能化仪器仪表，及通讯设备、日常消费类产品、玩具等。并且已经深入到工业生产的各个环节以及人民生活的各层次中。-Single-chip for its high reliability, cost-effective, low-voltage, low power consumption, such as a series of advantages, in recent years has been the rapid development and promotion of large-scale, widely used in industrial control systems, data acquisition systems, intelligent instruments instrumentation, and communications equipment, day-to-day consumer products, toys and so on. And have been deep into all aspects of industrial production and the livelihood of the people of all levels.