下载后可任意编辑基于 FPGA 的交通灯设计摘 要 EDA 工具对于电子设计人员来说极其重要，它可以在电子设计的各个阶段、层次进行计算机模拟验证，确保设计的准确性，可缩短设计周期，降低设计成本。本文介绍的是数字信号交通灯，利用EDA 设计工具，采纳 VHDL 语言开发设计，并通过 FPGA(即现场可编程门阵列)芯片设计来实现系统控制功能。数字信号交通灯可以实现十字路口红绿灯的自动控制。基于FPGA 的交通灯设计系统具有可靠性强、实时快速擦写、运算速度高、故障率低、电路简单,且体积小的特点。本毕业设计采纳的是Altera 公司 CycloneII 系列的 EP2C5T144 芯片作为核心最小系统，它可以方便嵌入到实际的交通灯应用系统中，可以完成简单的逻辑控制、数据采集、信号处理、数学计算等功能；使用 QuartusII 软件作为开发平台；采纳自顶向下的设计思路对系统进行模块化设计和综合，并通过波形仿真和硬件实现两种方式实现并验证数字信号交通灯的功能。关键词 VHDL，交通灯，EDAABSTRACTEDA tools is extremely important to electronic designers, to ensure the accuracy of the design ,it can verify computer simulations in all stages and levels of electronic design ,it can also shorten the design cycle and reduce design costs .This article describes a digital signal traffic lights ,using EDA design tools ,and VHDL ,and FPGA(the Field Programmable Gate Arrays),through the chip to design system control functions.Digital signal traffic light traffic lights can achieve automatic control of the crossroads .The design of FPGA-based traffic light system has a lot of features ,such as high reliability ,real-time quick erase ,high-speed operation, lower rate of fault, simple circuit and small volume. During this graduation project, I take the Altera Corporation CycloneII series EP2C5T144 chip as the minimum system core, it can be easily embedded in the actual application of the traffic light system, it can do simple logic control, data acquisition, signal processing, mathematical calculations...
