本设计中选用目前应用较广泛的VHDL硬件电路描述语言，实现对路口交通灯系统的控制器的硬件电路描述，在Altera公司的EDA软件平台MAX+PLUSⅡ环境下通过了编译、仿真，并下载到CPLD器件上进行编程制作，实现了交通灯系统的控制过程。-And select and use Descr iption Language applying broader VHDL hardware circuit at present in capital being designed, the hardware circuit coming true to systematic controller of crossing traffic light describes that, have passed compiling , have simulated under EDA of Altera company software platform MAX+ PLUS II environment, download the control procedure having made , realizing traffic light systematically to the programming being in progress on CPLD component.