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系统机与单板机相连,实现双向并行数据传输,可使单板机充分利用系统机的硬、软件资源,克服单板机无汇编能力,存储容量小等缺点,做到资源共享。本文着重介绍,分析 Cromemco 与 TP—301两机实现双向并行传输中的硬件线路、时序关系及传输程序等。
The system machine is connected with the single-board computer to realize two-way parallel data transmission, which can make the single-board machine take full advantage of the hardware and software resources of the system machine to overcome the disadvantages of boardless machine assembly capacity and small storage capacity so as to share resources. This article focuses on the analysis of Cromemco and TP-301 two-way parallel transmission hardware circuit, timing relationships and transmission procedures.