Simple ADC of signal and LED indication

Simetrix搭建的一个光传输仿真工程，很好的学习参考。(Simetrix built an optical transmission simulation project, a good reference for learning.)

ALTERA PCIE FPGA开发板（EP4C平台）DDR2内存测试代码(ALTERA PCIE FPGA development board (EP4C platform) DDR2 memory test code)

32-bit shifter, shifter, 32-bit.Very goog as a study file.

1、ps/2键盘输入，通过led显示ascii码 2、稍等1s可以在lcd上显示输入的字符 3、其中键盘上的backspce键是用来清屏的 4、当lcd上显示满字符时，在按下按键自动清屏，从第一行显示。-1, ps/2 keyboard input, through the led display ascii code 2, wait 1s in the lcd display characters input 3, which backspce keys on the keyboard was required to settle the screen 4, when the lcd display full of characters, the press the button automatically Qing-ping, from the first line of display.

32位加法器作为VHDL编写的第一个代码；

印制线路板设计经验点滴-Printed Circuit Board Design Experience

前导零的计算 (Calculation of leading zeros)

VHDL语言设计；功能描述：键盘扫描，不包含去抖电路-VHDL language design Function description: the keyboard scanning, does not contain a circuit debounced

AHDL语言介绍，很详细的介绍AHDL语言介绍，很详细的介绍(AHDL language introduction, a detailed explanation)

下面是各种文件，有 vhdl 代码和进位保留加法器的验证平台，进行超前进位加法器，等等。综合和代码已经模拟了。 给出的所有加法器是 16 位加法器，并实施新思科技。