用vhdl实现24小时计数器，方法简单实用。 仿真环境MAXPLUS

在这里，我们目前使用 VHDL 的 8 位 crc 设计。循环冗余校验是讨论检测错误的通信，使用 vhdl 语言这一过程变得快速和可靠。

PS2键盘控制程序实验的内容是用EDK建一个简单的系统并加入自定义的外设(一个ps2键盘控制器) 当键盘按下时会有相应的键扫描码输出显示到PC终端 -PS2 keyboard to control the content of the experimental procedure is used EDK build a simple system and add custom peripherals (a ps2 keyboard controller) when the keyboard is pressed the corresponding button will scan code to the PC terminal output shows

用FPGA实现pwm调制波，通过单片机软核控制输入量来实现任意占空比方波的产生-wave

Toplevel VHDL Structural model of a system containing 8051 -Toplevel VHDL Structural model of a system containing 8051

此代码是用于旋转一个步进电机所需的方向。

　　本文对数字基带信号脉冲成型滤波的应用、原理及实现进行了研究。首先介绍了数字成型滤波的应用意义并分析了模拟和数字两种硬件实现方法，接着介绍了成形滤波器设计所需要MATLAB软件，以及利用ISE system generator在FPGA上进行滤波器实现的优势。文中给出了成形滤波函数的数学模型，讨论了几种常用成形滤波函数的传输特性以及对传输系统信号误码率的影响。然后介绍了本次设计中使用到的数字成形滤波器设计的几种FIR滤波器结构。把各种设计方案进行仿真，比较仿真结果，最后根据实际应用的情况并结合设计仿真中出现的问题进行分析，得出各种设计结构的优缺点以及适合应用的场合。(In this paper, the application of the principles and implementation of digital baseband signal pulse shaping filter is studied. First introduced the significance of digital shaping filter application and analysis of both analog and digital hardware implementation, then introduces the shaping filter design requires MATLAB software, and the use of ISE system generator on the FPGA to achieve the advantages of the filter. This paper presents a mathematical model of shaping filter function, the transmission characteristics discussed several common shaping filter functions and the impact on the error rate of the signal transmission system. Then introduced the use of this design to several digital shaping filter design FIR filter structure. The various design simulation, compare the simulation results, and finally according to the actual application and combine design simulation to analyze problems, come and where appropriate to the application advantages and disadvantages of various design s)

该程序描述了运用FPGA 实现DDA圆弧插补运算(FPGA DDA)

基于FPGA的自适应滤波器的实现。采用Verilog编程，2阶滤波器。(FPGA-based realization of the adaptive filter. Using Verilog programming, 2-order filter.)

交通灯控制系统VHDL源码，用VHDL语言、MAXPLUS2环境设计实现(VHDL core)

完整的用VERILOG语言开发的USB2.0 IP核源代码，包括文档、仿真文件-complete with verilog language development USB2.0 IP source code, including documentation, Simulation documents