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我们为TRS—80(Ⅰ)微计算机配置了一个扩充箱,也可以叫做接口箱。图1是TRS—80(Ⅰ)配置扩充箱后的框图。有了这个接口箱,TRS—80(Ⅰ)就可以比较方便地应用到实际系统中。 计算机的接口技术,是实现将各种外围设备(包括被控对象)连接到主处理机的技术。以前将它称为“技巧”(Art),随着μP和LSI的出现,它已不再是一种“技巧”,而是一套成熟的技术(Technigue),包括使用LSI进行系统设计的方法和相应的程序设计技术。主要涉及以下几方面内容:输入/输出电路片,处理器与外围设备(如键盘,CRT,打印机,磁带以
We have configured an expansion box for the TRS-80 (I) microcomputer, which can also be called an interface box. Figure 1 is a block diagram of the TRS-80 (I) with an expansion tank. With this interface box, TRS-80 (Ⅰ) can be easily applied to the actual system. Computer interface technology, is to achieve a variety of peripheral devices (including the controlled object) is connected to the main processor technology. It used to be called “Art,” and with the advent of μP and LSI, it was no longer a “skill,” but a set of technigues, including methods for using LSI for system design And the corresponding programming techniques. Mainly involves the following aspects: input / output circuit chip, processor and peripheral devices (such as keyboard, CRT, printer, tape