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引 言 嵌入式计算机在工程上越来越得到普遍应用,而标准的PC机键盘则因不适应工业环境受到了限制,我们希望有定义灵活、工作可靠的键盘,产生了设计自己专用的键盘和键盘接口的想法。在《单片机与嵌入式系统应用》2001年第3期《101/102键盘信号分析与键盘接口的设计实现》一文中,石京文先生已经介绍了PC机键盘的基本工作原理(以下简称《石文》),在此仅进一步介绍PC机键盘通信中的几个具体问题和自己在工程上的实际应用,供大家参考。
Introduction Embedded computers are becoming more widely used in engineering and standard PC keyboards are limited because of their inability to adapt to the industrial environment. We want to define flexible and reliable keyboards and create our own dedicated keyboard and keyboard interface The idea. In his article entitled “Microcontroller and Embedded System Applications” 2001 the third “101/102 keyboard signal analysis and design of the keyboard interface,” Mr. Shi Jingwen has introduced the basic working principle of the PC keyboard (hereinafter referred to as “stone” ), Here only further describes the PC keyboard communication in a few specific issues and their practical application in engineering, for your reference.