这是一本介绍EDA技术的书，主要讲述VHDL硬件描述语言在数字电子系统设计中的应用，内容翔实易懂，有助于学习VHDL。-This is an introductory book EDA technology, mainly about the VHDL hardware descr iption language in the digital electronic system design application, informative and easy to understand, contribute to learning VHDL.