IEEE标准的VHDL语言

四分频的程序，输出clkout0就是二分频，clkout1是四分频-Quarter-frequency process, the output clkout0 is two-way, clkout1-fourth the frequency

Synopsys 帮助文件 version 200205-Synopsys sold version 200205

基于VHDL语言开发的I486总线接口程序。实现了一个三态的总线，可保证数据的正常传输。-based on VHDL development of the I486 bus interface procedures. Implementation of a three-state bus can ensure that the normal data transmission.

说明：  基于OV7670采集，SDRAM缓存，sobel处理，VGA显示的工程，内有全部代码，基于QUARTUS开发板实现。 FPGA 边缘检测(Based on OV7670 acquisition, SDRAM cache, sobel processing, VGA display project, with all the code, based on QUARTUS development board. FPGA edge detection)

通信系统帧同步信号的设计与实现，巴克码识别器系统完整VHDL程序，本人课程设计，完全能正常运行，程序运行环境为Quartus II 7.2 (32-Bit)，win7系统。编译码模块、分频模块、门限设置模块、仿真电路和程序都有。相互交流，共同学习！！

Test for VHDL just a student version

基于ISP的交通灯设计，实现了各路状态转换、警察控制、行人请求功能。(ISP traffic light design, to achieve the brightest state transitions, police control, pedestrian request feature.)

在国际标准组织开放式系统互联（OSI）参考模型下，以太网是第二层协议。10G以太网使用ＩＥＥＥ（电气与电子工程师学会）802.3以太网介质访问控制协议（ＭＡＣ）、ＩＥＥＥ 802.3以太网帧格式以及ＩＥＥＥ 802.3最小和最大帧尺寸。-In the International Standards Organization Open Systems Interconnect (OSI) reference model, Ethernet is the second-layer protocol. 10G Ethernet using the IEEE (Institute of Electrical and Electronics Engineers) 802.3 Ethernet Media Access Control Protocol (MAC), IEEE 802.3 Ethernet frame format, as well as the minimum and maximum IEEE 802.3 frame size.

xilinx应用指南xapp260的中文翻译版本。利用 Xilinx FPGA 和存储器接口生成器简化存储器接口。本白皮书讨论各种存储器接口控制器设计所面临的挑战和 Xilinx 的解决方案，同时也说明如何使用 Xilinx软件工具和经过硬件验证的参考设计来为您自己的应用（从低成本的 DDR SDRAM 应用到像 667 Mb/sDDR2 SDRAM 这样的更高性能接口）设计完整的存储器接口解决方案。(The use of Xilinx FPGA and Memory Interface Generator to simplify memory interface. This white paper discusses the various memory interface controller design challenges facing Warfare and Xilinx solutions, but also explains how to use Xilinx Software tools and hardware-proven reference designs to be for your own With (from low-cost DDR SDRAM applications to such as 667 Mb/s This higher performance DDR2 SDRAM interface) design a complete deposit Storage device interface solution.)

给出了脉冲多普勒雷达相参积累的vhdl程序，可作为参考。主要的是设计思想，看之前得掌握相参积累的原理