This is a simple routine FPGA is mainly based on FPGA

maxplus2为开发环境 vhdl编写的 扫描 程序-maxplus2 VHDL development environment for the preparation of a scanning program

用IF语句实现秒表功能的代码，显示范围在000至99.9.(Stopwatch function code with the IF statement, displayed in the range of 000 to 99.9.)

说明：  verilog语言编写的dac5687的接口程序，串行模式控制。(written dac5687 verilog interface program, serial mode control.)

华莱士树乘法器，运用了华莱士树状结构和布斯算法，提高了速度(The Wallace tree multiplier uses the Wallace tree structure and the Buss algorithm to increase speed)

RS232接收程序 无奇偶校验位 并行输出8位数据与data_ready数据准备好信号(RS232 receive procedures without parity 8-bit parallel output data and data ready signal data_ready)

veirlog编写的PS2键盘通讯程序, 并有PS2接口的相关说明, Quartus II 8.1工程文件(veirlog written communication procedures PS2 keyboard, and a PS2 interface instructions, Quartus II 8.1 project file)

FPGA开发PCIe的源码，采用VHDL语言，通过此源码，能更好的掌握PCIe总线，使开发者少走弯路，

完成GPS的IRIG_B码解码，已经模块化，并且有详细的中文注释(Completed the GPS IRIG_B of decoding modular, and there are detailed notes in Chinese)

用verilog HDL语言，通过一个4位移位寄存器实现一个信号转化为HDB3码并进行测试 -Using verilog HDL language, through a 4-bit shift register realization of a signal into HDB3 code and test

USB IPcoreIP核 包含文档(带说明)-USB IPcoreIP core includes a document (with instructions)