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前言:微型计算机是以微处理器为CPU，配以存储器和各种习0接口的新型计算机。随着大规模集成电路的迅速发展，各种规模的微型机不断出现。由于其具有体积小、功耗低、可靠性高、价格低廉及使用灵活等显著优点，并且已经继续在过程控制、事务管理及科学计算等方面发挥越来越大的作用。 为了进一步促进微型机系统及应用的发展，本文拟就单片微型机、单板微型机的发光二极管显示器接口、键盘接口、模块系列、微型机系统的中央处理器板、存贮器板、CRT接口、打印机接口、软磁盘接口及开发系统等部件的结构及设计方法进行论述。在阐述过程中，采取硬件与软件结合、以硬件为主的方式，并保持自己的独立性。 需要说明的是，本文侧重于微型机部件接口及系统设计，尤其注意讨论其中的关键性技术问题，因而对于微处理器的一般原理及其外围芯片的结构与功能不作专门介绍。如果在阅读中遇到困难，可参阅有关的手册或书籍。
Introduction: Microcomputer is a new type of computer with microprocessor as CPU, memory and various kinds of interface. With the rapid development of large-scale integrated circuits, various sizes of miniature machines continue to appear. Because of its small size, low power consumption, high reliability, low cost and flexible use of such significant advantages, and has continued to play an increasing role in process control, transaction management and scientific computing. In order to further promote the development of microcomputer systems and applications, this paper intends to single-chip microcomputers, single-board microcomputers LED display interface, keyboard interface, module series, the microcomputer system of the central processor board, memory board, CRT Interface, printer interface, floppy disk interface and development system and other components of the structure and design methods are discussed. In the process of elaboration, take the hardware and software combination, hardware-based approach, and maintain their independence. It should be noted that this article focuses on the interface of micro-components and system design, with particular attention to discuss the key technical issues, so the general principle of the microprocessor and its peripheral chip structure and function are not specifically introduced. If you have difficulty reading, you can refer to the relevant manuals or books.