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[ERP-EIP-OA-Portal] 1232 DL : 0: 按照时间控制原则，利用并行接口和定时器，采用时间中断方式设计一套十字路口的交通灯管理系统，通行时间（或禁止时间）30秒，准备时间3秒，在准备时间里黄灯闪烁3次，闪烁频率为0.5秒，周而复始。可利用8255、8253、8259等接口电路。-Time control in accordance with the principle, the use of parallel interface and timer, interrupt and time to design a crossroads of traffic lights management systems, access time (or the prohibition of the time) 30 seconds, three seconds preparation time, time in the preparation of yellow light flashes 3 times, blinking frequency of 0.5 seconds and again. Can be used such as interface circuits 8255,8253,8259.
Date : 2025-12-19 Size : 18kb User : 凯凯