一种FPGA实现的串口开关双控的USB切换器

16位高速数字相关器的VERIOLOG程序，已经编译通过了，可以使用(16-bit high-speed digital correlator VERIOLOG program has been compiled by, you can use)

这是一个数字逻辑课程的电子表的实现，利用VHDL语言实现，初学者可以完全掌握，很有帮助。(This is the realization of the electronic timepiece a digital logic course, the use of VHDL language, beginners can fully grasp and helpful.)

说明：  该代码，只用了硬件描述语言Verilog在完成对SD卡控制器的编写，经济实用(The code, only the hardware description language Verilog in the completion of the SD card controller to prepare, economical and practical)

其中包括AD9226的原理图和应用程序，可以参考完成其他编程(Including AD9226 schematics and applications, you can refer to complete other programming)

关于verilog的知识点和关键点的总结(Summary of knowledge points and key points of Verilog)

使用DE2实现DDS，步骤简单，配置管脚可自查看(Using DE2 to realize DDS, the steps are simple and the pins can be self-checked.)

说明：  SJA1000的ip核和相关测试脚本,OPENCORES 下载(SJA1000 IP downloads from opencores)

一个电子秒表，最大显示59.99,具有暂停和reset功能(An electronic stopwatch, the maximum display 59.99, with a pause and reset functions)

4-Bit BCD Adder in Verilog

FPGA三国论战，入门介绍和高端见解！对于FPGA初学者很有用。(Three FPGA controversy, and high-end introduction to ideas! For FPGA useful for beginners.)