计数器，vhdl，调试通过。

这是一个语音程序,通过VHDL编译了.大家可以直接调用.其中还包括了键盘程序有需要可以下来-This a voice procedures, through a VHDL compiler. you can directly call. It also includes a keyboard procedures need to look at it down

A-law Encoder (VHDL)

程序用VHDL实现： 利用一秒定时测量频率 并且显示，范围0~-VHDL 0~

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.)

wishbone 源代码，opencore-wishbone source code, opencore

数字下变频（DDC）在如今基于软件无线电的架构中对系统的整体性能决定性的影响，代码为基于Matlab的4通道DDC程序，程序中可以根据需要调节滤波器等参数评估DDC的性能对于使用FPGA实现DDC有较大的参考价值(Digital down conversion (DDC) in today' s architecture based on software radio system a decisive impact on the overall performance of the code for the 4-channel DDC Matlab-based program, the program can be adjusted according to filter parameters such as the use of performance assessment FPGA DDC DDC has achieved great reference value)

Xilinx ISE 8.2i的license-Xilinx ISE 8.2i s license

本代码来自老师指导，自己编写，可以修改交通灯的时间

Fixed-point base-2 logarithm (DW_log2) // Computes the base-2 logarithm of a fixed point value in the // range [1,2).

VHDL版的C8051核(C8051).evatronix公司的IP核-VHDL version of the C8051 core (C8051). Evatronix company s IP core