RD1006

完成黑白全屏半屏棋盘格、红绿全屏半屏竖条栅、蓝绿全屏半屏横条栅六种图形格式之间的循环转换，用FPGA实现VGA显示。 设计方案的顶层文件需有几个模块构成：锁相环模块，分频定时模块，时序控制模块和显示模块。每个模块首先用VHDL语言 完成实现并仿真，再生成模块放在顶层的block文件中。锁相环模块作用是把硬件实验板的50MHz转换为适用于VGA800*600 的40MHz时钟；定时模块定时5秒，每5秒转换一种图形显示方式；时序控制模块用于扫描及消隐，使能够正常显示；显示模块 用于显示。各模块正确连线、定义引脚和仿真后，可以下载到FPGA中，连接显示器来显示，六种图形方案每5秒转换，循环。

IEEE1588de FPGA 程序，已测试，可直接用，方便(IEEE1588de FPGA program has been tested, can be directly used to facilitate)

基于FPGA 黑金ALINX 515的 ADDA采样模块源码（需调试）(ADDA Sampling Module Source Code Based on FPGA Heijin ALINX 515)

网络通信中的MII接口 通常将4位nibble数据送出，此程序将4位数据组合成8位数据并行输出（8比特==1个字节）。。完全可用 同时包含84转换(The MII network interface usually sent four nibble data, this procedure will be 4-bit data into 8-bit parallel output data (8 bits == 1 byte). . Completely available at the same time contains 84 conversion)

VHDL ip core的设计，软核的设计方法-VHDL core of the design, soft-core design

上传的是基于Xilinx的新出的开发板Zedboard的一个简单的知道文档，希望对有关同学有所帮助。(Uploaded a simple know the document based on Xilinx' s new development board Zedboard the hope that some of the students to help.)

LCD SpartaN3E fpga vi

FPGA UART transmit and so on

verilog编写的数字信号发生器NCO用CORDIC方法实现产生sin cos信号，流水线结构，简单实用。(verilog prepared by the digital signal generator NCO using CORDIC method implementation generate sin cos signal, pipelined architecture, simple and practical。)

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that can handle many forms of circuit design, including: * Custom IC layout * Schematic Capture (digital and analog) * Textual Languages such as VHDL and Verilog (The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that can handle many forms of circuit design, including:* Custom IC layout* Schematic Capture (digital and analog)* Textual Languages such as VHDL and Verilog)