show frequency measurement, external 24MHz crystal oscillator, the data show tha...

iic 总线 verilog 源代码 标准i2c总线， 有sda scl 时钟，频率自定(IIC bus standard Verilog source code i2c bus, has sda scl clock, the frequency of self-)

基于FPGA的DDS信号源设计，32位相位累加器，产生可调频率(FPGA-based DDS signal source design, 32-bit phase accumulator to generate tunable frequency)

用VHDL语言实现的蜂鸣器发声程序，当按下不同按键时，发出不同频率的声音(Function:when different buttens are pressed, beep will play sound with different frequency. laguage:VHDL)

美国人写的各种类型的fpag设计指导，非常详细的介绍了从fpga的型号，结构，实现，编程，等各个方面的要点。-Written by Americans of all types of fpag design guide, very detailed introduction from the FPGA models, structure, realize, programming, and other aspects of the main points.

基于QuartusII环境下以模块化的形式做成的视频复合同步信号。-QuartusII-based environment to create the form of modular composite video sync signal.

此为实现第14.7.9章所需的激励文件 该代码为门级RTL描述。(Stimulus file to verify Section 14.7.9 the functionality of gate vs. RTL description.)

说明：  使用verilog实现的双电梯控制器，1-9层，仿真通过(a bi-elevator controller written in VerilgHDL, which has floor1-9, simulation passed)

本书共由三篇组成。其中第一篇由第1~3章组成，介绍PCI总线的基础知识。第二篇 由第4~13章组成，介绍PCIExpress总线的相关概念。第二篇的内容以第一篇为基础。(This book comprises a total of three components. The first chapter from the first 1-3 chapters, introduces the basics of the PCI bus. Second by the first 4 to 13 chapters, introduces concepts related PCIExpress bus. The contents of the first to second basis.)

四位动态刷新数码管显示，ＶＥＲＩＬＯＧ代码，含详细的中文注释．-Four dynamic refresh digital tube display, VERILOG code, with detailed notes in Chinese.

实现温度显示，接温度传感器。在4数码管上显示小数点后两位的温度(temperture of FPGA)