完成PWM控制采用VHDL语言，你可以看看它。

32位/33M 从模式(target)PCI接口参考设计，Lattice提供。由于PCI时序较复杂，此设计仅能供参考-32/route from the model (target) PCI reference design, Lattice provided. Because PCI timing more complicated, and the design for reference only

组合电路的设计8位加法器设计(ADD8.vhd)-Combinational Circuit Design 8-bit adder design (ADD8.vhd)

synopsys的主要的工具介绍，包括DC,PT,Formality等，对于初学IC设计者了解设计工具有很大帮助。(synopsys of the main tools for presentations, including DC, PT, Formality, etc., for the beginner tool for IC designers to understand the design of much help.)

VHDL Checkers Implementation by Ibrahim Elbouchikhi Amir Nader-Tehrani - VHDL Checkers Implementation by Ibrahim Elbouchikhi Amir Nader-Tehrani

说明：  将外部的输入的6Mhz的信号分成为频率为153600hz的信号(The external input signal divided into 6Mhz 153600hz signal frequency)

黑金FPGA助学版-tcl,包含开发板所有管脚。不需要再对板子管脚定义。AX301(Black Gold FPGA Student Edition-tcl, development board contains all the pins. No need for a board pin definitions. AX301)

一个很有用的vhdl实用教程，很适合初学者学习，介绍了vhdl的一些基本概念，还有一些经典的实例。-A useful practical VHDL Tutorial, it is suitable for beginners to learn, introduced some basic concepts of VHDL, there are some classic examples.

FIFo参考设计16x32 FIFO with simultaneous read/write operations.-FIFO design-16x32 FIFO with simultaneous read/write operations.

8051参考设计，与其他8051的免费IP相比，文档相对较全，Oregano System 提供-8051 reference design, and other free IP in 8051 compared to relatively entire document, Oregano System for

包含DCT变换，RGB2YCBCR,JPEG等多个verilog代码及工程(Contains DCT transform, RGB2YCBCR, JPEG and many other verilog code and project)