波形产生器：用VHDL编写的波形产生器程序

用vhdl实现脉冲宽度可控的一简单程序 仿真环境MAXPLUS-(use VHDL to achieve controllable pulse width of a simple process simulation environment Segments-)

ps2 vga interface in vhdl code

说明：  CAN VHDL Code. Behavioral implementation of CAN bus interface.

利用FPGA开发软件 进行rs编码的仿真 模拟RS编码的过程步骤(rs code in FPGA)

直接数字频率合成器（Direct Digital Frequency Synthesizer：DDFS）的VHDL程序,开发环境是QuartusII,系统时钟为50MHz，由PLL产生DDFS的工作时钟166.67MHz,地址位宽为24位，频率字为20，相位字为10，RAM用于存储查找表，其地址位宽为10，数据位宽为8。-Direct Digital Frequency Synthesizer ( DDFS) of the VHDL program, the development environment is QuartusII, the system clock to 50MHz, the work of DDFS generated by PLL clock 166.67MHz, address bit-width of 24-bit frequency word is 20, phase word for 10, RAM used to store look-up table, its address is 10 bits wide, the data is 8 bits wide.

采用costas环进行DPSK解调的程序。输入数据速率2.4Kbps，载波频率12KHz，采样率1.6MHz， 输入数据位宽12位，快捕带为799.617Hz(Costas ring using DPSK demodulation process. Input data rate 2.4Kbps, carrier frequency 12KHz, sampling rate 1.6MHz, the input data 12 bits wide, fast catching band is 799.617Hz)

512×8bid的FIFO 含工程文件，基于QUARTUs-512 × 8bid the FIFO with the project document, based on the QUARTUsII

led 点阵显示led――rom实现，功能模块分离 就爱可根据卡加大公开吉安市贷款给经济 -led dot matrix display led-- rom realized, functional modules can be separated on the basis love Cagayan open to the public Ji"an City loans to the economy

dp_xiliux 的 CPLD Verilog设计实验,串口演示.代码测试通过. -dp_xiliux the CPLD Verilog design experiments, serial presentation. code test.

vga编程。实现3种模式的vga控制，分别产生横彩条，竖彩条，棋格彩条的显示-vga programming. Realization of the three-mode vga control, generate horizontal color of the color of the shaft, and the chess grid color of the show