EDA 交通灯的具体设计和编程实现，比较全面，EDA实验的内容-EDA design details and programming implementation of the traffic light, more comprehensive, EDA experiment content

设计一个接口；用于8051向外围存储器传输数据；有复位功能，时钟同步输入、输出-Design an interface used 8051 data to the external memory transfer has reset function, clock synchronization input and output