8位7段LED显示源码，扫描显示，稳定高效

vhdl testbench的编写，textio的编写是一个难点，也是一个重点，而这是本人搜集的多篇关于textio的文章，同时附有简单注释!-vhdl testbench preparation, textio the preparation is a difficult, but also a focus, and this is my collection of articles on textio the article, at the same time with a simple note!

ALTERA　NIOS处理器实验，编程环境是QUARTUS，在NIOS SHELL下编译实现功能。实验USB接口-Altera NIOS processor experiments, programming environment is QUARTUS in NIOS SHELL compiler functionality. Experimental USB interface

可直接用于zedboard上的串口通信，利用zynq7000的pl部分实现一个简单的UART串口通信(Can be used directly on the zedboard serial communication, the use of zynq7000 PL part of the realization of a simple UART serial communication)

说明：  sd卡的verilog代码，包含一些sd卡例程(SD card Verilog code, including some SD card routines)

改变学习板上的2个电位器对应的2段模拟输入，实现模拟输入，学员观察数码管的数字变化情况,通过改D[4]的值，实现模拟输出.(Changing the learning board two potentiometers corresponding paragraph 2 analog inputs, analog inputs, digital tube digital trainees observe the changes, by changing D [4] value for analog output.)

自适应滤波器算法LMS ，的FPGA实现，采用VERILOG实现。(LMS, an adaptive filter algorithm, is implemented on FPGA and VERILOG.)

在 FPGA，SPI、 I2C 等 ASI，串行接口的实现来武力作为需要实现外围设备之间的接口。这个项目给 VHDL 源代码实施 SPI 接口和他们有关的文件。

VHDL数字电路设计教程 乔庐峰等译 当当网销量领先(VHDL tutorial on digital circuit design: (Brazil) Pedroni (Pedroni, VA) were, Joe Lu Feng, M. Publisher: Electronic Industry Press Dangdang sales leader)

说明：  基于altera fpga的fir IP核实现希尔伯特变换，有matlab仿真(Based on Altera FPGA fir IP core to achieve Hilbert transform, matlab simulation)

说明：  利用verilog写的PWM 程序，来实现产生呼吸灯的效果。(Using xerilog to generate breathing lamp)