The document may download to FPGA chip to complete the clock divider,serial

讲述了dds直接数字频率合成的基本原理，同时用ＶＨＤＬ语言编写dds原代码用于生成正弦波，并在ISE开发平台进行仿真和MATLAB验证正弦波输出结果(described dds direct digital frequency synthesis of the basic tenets addition to the use of VHDL prepared dds source used to produce sine, and ISE development platform for simulation and verification MATLAB sine wave output)

说明：  VHDL实现的算术逻辑计算单元（ALU），包括modersim测试文件，即仿真结果。(VHDL implementation of the arithmetic logic calculation unit (ALU), including modersim test file, the simulation results.)

vhdl语言例程集锦.pdf，全部的例子，看你会不会偷了-VHDL language routines Collection. pdf, all the examples, you will not see stealing

SPI串行总线接口的Verilog实现，详细讲解实现过程。-SPI serial bus interface Verilog realization elaborate on the realization of the process.

iic的代码，是工程文件来的，是XILINX的，来自开源的-IIC

verilog写的数字频率计的显示模块,可以-written in Verilog Digital Cymometer display module can be

针对Altera的DE2/ DE1交互板的音频核心的音频编解码器（编码器/解码器），并提供了音频输入和输出的接口。(The Audio Core interacts with the Audio CODEC (enCOder/DECoder) on the Altera DE2/DE1 Boards and provides an interface for audio input and output.)

利用分频可以产生一系列脉冲，根据输入脉冲的不同决定你得到的一系列脉冲频率-The use of sub-band can produce a series of pulses, according to input pulse of different decisions you have a series of pulse frequency

音乐和的设计，硬件语言描叙，书上的源代码哦(Music and design, hardware language describes, the book s source code Oh)

北京中教仪装备技术有限公司制作，关于xilinx FPGA使用的教程，包括ISE、picoblaze、microblaze等的使用说明。(some paper for the use of ise， picoblaze,microblaze)