16点FFT的VHDL源代码，快速傅里叶变换的xfft16（FFT）计算核心…

spartan6 里使用DDR3IP核，有教程以及源码(spartan6 with ddr3,source and tutorial)

hdlc协议的封装与解析，fsc校验，完整的例程代码(Decode and Encode an HDLC packet ，using FCS16 calculation)

利用VHDL语言实现8位到32位的双向数据转换-use VHDL 8-32 two-way data conversion

自动售货机VHDL程序与仿真的vhdl的源代码-Vending machine VHDL procedures and simulation of vhdl source code

VHDL实例应用的经典，大家学习必看的书籍。-VHDL classic example of the application, see U.S. study books.

一个8X8的矩阵键盘的VHDL文件,并且有长安键和短按键之分,即一共能做到128个键值,扫描用的时钟用1ms的就行了-A 8x8 matrix keyboard VHDL files and have Changan and short keys of key points, namely, to achieve a total of 128 keys, scanning with the clock used on the list of 1ms

详细讲述TURBO码的FPGA实现原理，可作参考，不是码源(A detailed account of the FPGA implementation of principle of the TURBO code can be used as reference, not source code)

SDIO 接口，实现SD卡的控制器功能，带有详细的注释(SDIO Interface,to realize the controller of SD Card,and have detail description.)

papers based on distributed arithmetic.

ＦＰＧＡ设计中的一些经典例子对学习ＦＰＧＡ的人会有帮助-FPGA design of some of the classic examples of people learning FPGA would be helpful