EDA技术综合了现代电子技术和计算机技术的最新研究成果,其设计采用自顶向下的设计方法,通常采用硬件描述语言进行电子电路设计;VHDL语言以其强大的建模和逻辑综合功能成为EDA技术中应用最广泛的硬件描述语言之一。基于VHDL设计了交通信号灯。 EDA technology integrates the latest research results of modern electronic technology and computer technology, the design uses a top-down design method, usually using hardware description language for electronic circuit design; VHDL language with its powerful modeling and logic synthesis to become EDA One of the most widely used hardware description languages ​​in technology. Traffic lights are designed based on VHDL.