简单电子玩具的感知模块程序设计,通过外部输入信号改变内部信号.从而改变玩具的状态

快速付里叶变换子程序所需 RAM 空间以输入的首地址为基址,向增加的方向扩展(Fast Fourier Transform subroutine RAM space required to input the first address of the site was to increase the direction of expansion)

本原代码中利用VHDL语言编写了RAM、FIFO、ROM等常用的存储和缓冲部件，完全的代码在ALTERA的FPGA上已经通过仿真测试，保证可用.-primitive code using VHDL prepared RAM, FIFO, ROM, and other commonly used storage and buffer components, complete code in the Altera FPGA simulation test has been passed to ensure that available.

测试人体视觉的反应时间，可以作为vhdl编程的练习之用，也可以更进一步的开发成为具有商业价值的产品，这里面只是能够实现测试人体视觉反应时间的基本功能的程序-Test of human visual reaction time, can be used as VHDL programming exercises used can also be further developed into products with commercial value, there is only able to realize the human visual reaction time test the basic functions of the procedures

FPGA设计的四种常用思想与技巧，包括乒乓操作、串并转换、流水线操作、数据接口同步化(FPGA design of the four common ideas and techniques, including the operation of ping-pong, SERDES, pipelining, synchronization of data interface)

altera官方的各种有用的参考资料，都是自己收集的，遇到问题可以很方便的查看(altera official variety of useful references, are their own collection, problems can easily view)

基于VHDL的数字频率计的设计.pdf 基于VHDL的频率计设计 很好用的 希望要用的同志来下载 (基于VHDL的频率计设计 很好用的 希望要用的同志来下载 )

VHDL语言编写的计数器程序，实现1到9999计数，并动态扫描显示，带清零和暂停功能，课上作业自编程序-VHDL language of the counter program to achieve 1-9999 counts, and the dynamic scan showed, with Clear and suspension of functions, classes, on a self-compiled programs

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

使用Altera公司的FPGA进行VHDL开发。使用quartus2 9.0软件在EP1C3T144C8开发板上用硬件描述语言实现一个ROM存储器。-The use of Altera" s FPGA-VHDL development. Use quartus2 9.0 software EP1C3T144C8 development board with hardware description language to achieve a ROM memory.

说明：  AD9361资料文档及其寄存器配置参数文档(Ad9361 data and configuration parameter document)