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单片机作为微型计算机的一个分支,其应用系统的设计方法与一般的微型计算机应用系统的设计在许多方面是一致的。但由于单片机系统通常作为系统的最前端,设计时更应注意应用现场的工程实际问题,使系统的可靠性能够满足应用的要求。数据采集是单片机应用系统中最为重要和普遍的应用要求。数据采集的对象可以是温度、压力、流量等各种物理量。数据采集系统可以是复杂控制系统的一部分,也可以是配备显示(或打印)输出的独立系统(或仪表)。
Microcontroller as a branch of the microcomputer, the application of the system design method and the general design of micro-computer applications in many ways are the same. However, since the single-chip microcomputer system is usually the forefront of the system, the design should pay more attention to the actual engineering problems in the field so that the reliability of the system can meet the application requirements. Data acquisition is the most important and common application requirements of SCM applications. Data acquisition of the object can be temperature, pressure, flow and other physical quantities. The data acquisition system can be part of a complex control system or a separate system (or meter) equipped with a display (or print) output.