程序采用VHDL：频率合成DDS主要调用LPM，

对于学习FPGA的同学来说仿真是必不可少的流程 但是仿真的方法signal tap是必须掌握的(For students learning FPGA simulation is an essential process but the simulation method tap signal is a must)

8086微机原理实验：8251串行接口、8253计数器、数码管、跑马灯。汇编语言。(8086 microcomputer principle experiment: 8251 serial interface, the 8253 counter, digital tube, Marquee. Assembly language.)

对pci9054芯片的配置进行了设置，并对PCI9054的各状态机进行了设置，程序经过了测试(Pci9054 chip on the configuration of the set, and each state machine PCI9054 been set, the program have been tested)

4位电子密码锁，带键盘扫描、按键防抖动、LCD驱动编译码-four electronic password lock with a keyboard scan button shake, LCD driver encryption

基于FPGA实现IIR滤波器的程序，用VERILOG编程语言实现(The program based on the FPGA implementation of the IIR filter is implemented in the VERILOG programming language)

本文为verilog的源代码-In this paper, the source code for Verilog

DDS 产生正弦信号，OOK，AM三种波形。 使用xilinx FPGA VHDL(DDS. Resulting in sinusoidal signal, OOK, AM three waveforms. Using xilinx FPGA VHDL.)

说明：  基于FPGA的USB接口设计，实现了USB与FPGA的通信(USB interface to FPGA-based design, implementation of the USB communication with the FPGA)

基于APB总线的UART详细设计方案和实现(APB-based detailed design and implementation of UART)

全数字锁相环的verilog源代码-全数字锁相环的verilog源代码