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在实时控制系统中,基于经济性和工作特性的要求,现场信息的采集一般是由单板机来实现的。在信息处理要求较高的场合下,单板机受到两方面的限制:一是处理时间的限制,即单板机在现场没有足够的时间来分析计算大量的数据;二是存贮空间的限制。因此,单板机与微机的通讯就显得愈来愈重要了。本文介绍一种目前比较流行的高档微机Dual 68000(83/80)与TP801单板机之间的通讯方法。
In the real-time control system, based on the requirements of economy and work characteristics, the collection of on-site information is generally realized by a single-board computer. In information processing requirements of higher occasions, the single-board machine by two constraints: First, the processing time constraints, that the single board machine in the field do not have enough time to analyze and calculate large amounts of data; the second is the storage space constraints . Therefore, the single board computer and computer communication becomes more and more important. This article describes one of the more popular high-end computer Dual 68000 (83/80) and TP801 single-board communication between the machines.