VHDL教学的经典之作，大家学习必看的书籍。

A simple sequential lights

E1 deframmer and Frammer.

这是一本介绍FPGA设计过程中关键问题的资料书,对参加面试或工程设计有一定帮助-This is an FPGA design process, introduce the key issues of information written on the interview or take part in engineering design has a certain extent, help

一个数码管的驱动开发程序，程序完备，可以直接使用，在开发板上使用时注意改变引脚(A digital control of the driver development program, the program is complete, can be used directly, when used in the development of attention to change the pin board)

实现了简单的电子表功能，是24小时，用VHDL所编写的，quartus ii 7.2-To achieve a simple spreadsheet functions, is 24 hours, using VHDL prepared, quartus ii 7.2

数字钟蜂鸣器音乐——爱情买卖，很时尚的闹钟音乐代码，经测试，很有感觉。(Digital clock buzzer music- love trading, very stylish alarm clock music code, tested, great feeling.)

acousting fingerprint enhancement

VHDL实现 DDS。大家共享吧，一起学习，一起进步(VHDL realize DDS. U.S. to share it with learning, with progress)

说明：  此代码是由FPGA产生SPWM波的代码，简单易懂(use FPGA to generate SPWM)

HDL example source code 1/5 tff_a