四选一编程语言，可以自动生成四选一器件。

pci协议主模块开发实用代码， 适合初级学习者使用 很不错(pci agreement to develop practical code, very good for junior learners)

一篇用VHDL实现快速傅立叶变换的论文，包括原理分析和代码实现，印度圣雄甘地大学M.A.学院提供(VHDL with a Fast Fourier Transform papers, including the principle of analysis and implementation of the code, the Mahatma Gandhi Institute of the University of Marat)

这是一个EOS项目中的GFP成帧结构，能够容错，可以配置字节域(This is an EOS project GFP Framing structure, be able to fault-tolerant, can be configured byte domain)

verilog coding for butterworth filter with cut off frequency with 500hz

IEEE 802.3 Cyclic Redundancy Check参考设计，xilinx提供-IEEE 802.3 Cyclic Redundancy Check reference design for Xilinx

用verilog实现的buffer，经过了fpga平台验证。(Implement buffer with verilog.)

说明：  I2C完整代码，可综合，可仿真，已经过验证(I2C code can been syn and simulation ,veritify)

说明：  基于PCF8591数模转换和DDS技术的信号发生器系统设计(Design of Signal Generator System Based on PCF8591 Digital-to-Analog Conversion and DDS Technology)

4X4 KEYPAD 的密码比较模块，可以核对6位的密码-4x4 KEYPAD password comparison module, can check the password 6

比较详细的阐述了图像压缩的原理,并基于DSP和VHDL实现该系统,最后在FPGA上通过.(More detailed exposition of the principles of image compress, and VHDL-based implementation of the system, and finally in the FPGA.)