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, con