The design method of traffic light control system by using Very-High-Speed Integrated Circuit Hardware Description Language(VHDL) is introduced,and the downloading of the controller design to the FPGA/CPLD chip in MAX+PLUS II is fulfilled.

• 用VHDL语言设计交通灯控制系统,并在MAX+PLUSII系统对FPGA/CPLD芯片进行下载,由于生成的是集成化的数字电路,没有传统设计中的接线问题,所以故障率低、可靠性高,而且体积小。