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2.1 概述微型计算机系统是由中央处理机,存储器和外围接口器件等大规模集成电路所组成。由于系统硬件的标准化,带来了成本降低,可靠性提高,研制时间缩短,设计合理等优点,并且硬件组装变得十分简单。这一章主要介绍应用系统设计中需要熟悉和理解的主要硬件的基本概念,以及程序设计中经常涉及的硬件部份的使用规则,其中接口器件将安排在第四章中。
2.1 Overview Microcomputer system by the central processing unit, memory and peripheral interface devices and other large-scale integrated circuits. Due to the standardization of the system hardware, it brings the advantages of cost reduction, reliability improvement, development time reduction and reasonable design, and the hardware assembly becomes very simple. This chapter mainly introduces the basic concepts of the main hardware needed to be familiar with and understood in the application system design, and the rules of the hardware that are often involved in the programming. The interface devices are arranged in the fourth chapter.