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MC68 4 5是Motorola生产的一种 4 0引脚的双列直插式可编程器件 ,阐述了一种用MC684 5制作的工业控制机图形显示模板的电路原理 ,其设计思路对从事这方面的开发和应用都会有所启发。
MC68 4 5 is a 40-pin dual-in-line programmable device manufactured by Motorola. It expounds the circuit principle of a industrial control computer graphic display template made by MC684 5, Development and application will be inspired.