本文介绍了VHDL硬件描述语言基础，包括：

1.简介

2.基本结构

3.基本数据类型

4.设计组合电路

5.设计时序电路

6.设计状态机

7.大规模电路的层次化设计

8.Function and Procedure-This paper introduces the VHDL hardware descr iption languages, including: 1. Introduction 2. The basic structure of 3. The basic data types 4. The design of combinational circuits 5. The design of sequential circuits 6. The design of state machine 7. Large-scale circuit-level design 8.Function and Procedure