pn sequence generator

说明：  自己设计的一个其人投票系统，对于VHDL初学者可以参考下(One of their own design their human voting system, for VHDL beginners can refer to the following)

SDR SDRAM 控制器的源代码 altera公司的(source code from altera)

说明：  在MATLAB下自编实现快速傅里叶分析，(Fast fft own procedures, faster than the system call fft slowe)

timblogiw.c timberdale FPGA LogiWin Video In driver.

说明：  利用FPGA实现TMDS接口标准，可用于DVI以及HDMI接口的FPGA实现（含文档）(Video Connectivity Using TMDS I/O in Spartan-3A FPGAs)

sobel边缘检测，用于图像处理。实现了该算法在FPGA上的实现代码。(Sobel edge detection for image processing.Implementation of the algorithm to achieve the FPGA code.)

-- WISHBONE revB2 compiant I2C master core -- -- author: Richard Herveille -- rev. 0.1 based on simple_i2c -- rev. 0.2 april 27th 2001, fixed incomplete sensitivity list on assign_dato process (thanks to Matt Oseman) -- rev. 0.3 may 4th 2001, fixed typo rev.0.2 txt -> txr -- rev. 0.4 may 8th, added some remarks, fixed some sensitivity list issues--- WISHBONE revB2 compiant I2C master core---- author : Richard Herveille-- rev. 0.1 based on simple_i 2c-- rev. 0.2 adolescence 27th 2001, fixed incomplete sensitivity list on assign_d ato process (thanks to Matt Oseman)-- rev. 0.3 m ay 4th 2001, fixed typo rev.0.2 txt-

本文介绍了汉明编码与译码通过FPGA器件来实现，介绍了使用VHDL语言编程的基本算法！-This article describes the Hamming encoding and decoding through the FPGA device to implement, introduced the use of VHDL programming language is the basic algorithm!

---------------------------------------------------------------------------------- -- Company:       VISENGI S.L. (www.visengi.com) - URJC FRAV Group (www.frav.es) -- Engineer:      Victor Lopez Lorenzo (victor.lopez (at) visengi (dot) com) -- -- Create Date:    12:39:50 06-Oct-2008 -- Pr

采用DDS方法在FPGA上实现频率发生器，最大频率设置在9999Hz，输出正弦波。 DDS是一种从相位概念出发直接合成所需要的波形的新的全数字频率合成技术。同传统的频率合成技术相比，DDS技术具有极高的频率分辨率、极快的变频速度，变频相位连续、相位噪声低，易于功能扩展和全数字化便于集成，容易实现对输出信号的多种调制等优点，满足了现代电子系统的许多要求，因此得到了迅速的发展。