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Intel公司生产的8255A可编程并行接口芯片，可应用于交通灯管理系统。文章针对开发的交通灯管理模拟接口卡，给出了具体的设计方案。该接口卡设计简单、功能齐全，界面友好，软件开发规范．可通过计算机直接进行控制。
Intel’s 8255A programmable parallel interface chip, can be applied to traffic light management system. The article is aimed at the development of traffic light management simulation interface card, given the specific design. The interface card design is simple, functional, user-friendly, software development specifications. Can be directly controlled by computer.