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前言在建立以小型计算机为中心的数据采集与处理系统的过程中,用戶往往需要自己为一些专用外部设备配置接口庵智榭霾煌谧ㄒ党Ъ抑谱鹘涌?不可能进行批量生产。它的特点:外设的种类较多,需要配置多种接口,但是对每种接口的需要量却非常小,经常为制作一个单件花费不少的时间和精力。如果仍然按照通常的方式(即厂家的方式)针对不同的外设分别设计接口线路和制作各自的接口板,这对用戶显然是很不
Preface In the process of establishing a small computer-centered data acquisition and processing system, users often need to configure their own interface for some special external devices. It is impossible to mass produce . Its features: more types of peripherals, the need to configure a variety of interfaces, but the need for each interface is very small, often make a single spend a lot of time and effort. If you are still in the usual way (that is, the way manufacturers) for different peripherals were designed interface lines and make their own interface board, which is obviously very user