利用FPGA实现的脉宽测试技术,基于VHDL,测试误差为时钟周期

实现有限域中乘法，输入二个普通二级制数，输出在本原多项式的乘法结果(Achieve limited multiplication field, enter the number of two-tier system of two ordinary output in primitive polynomial multiplication results)

用硬件描述语言编程实现减法器,实现两个操作数的减法-Using hardware description language programming subtraction, and the achievement of the two operands of the subtraction

VHDL写时钟，分频模块什么，实现计时。定点报时，定点闹钟，显示年月日。(verilog HDL)

用Hspice实现一个三输入异或门，并分析其功耗和延时。(A three input XOR gate is implemented by Hspice, and its power consumption and delay are analyzed.)

PCIe demo sample code

本程式為使用Verilog語言寫控制DRAM的控制模塊, 可以簡易的控制DRAM IC, 本程式已經過系統驗證.(program for the use of the Verilog language to write the control of DRAM control module, be easy to control DRAM IC, the program has been systematically verified.)

实现4种常见波形正弦、三角、锯齿、方波（A、B）的频率、幅度可控输出（方波 --A的占空比也是可控的），可以存储任意波形特征数据并能重现该波形，还可完成 --各种波形的线形叠加输出。 (Achieve the four kinds of common sine wave, triangle, sawtooth, square wave (A, B) the frequency and amplitude controlled output (square wave- A duty cycle is controlled), can store arbitrary waveform feature data and can to reproduce the waveform, it can perform- all kinds of linear superposition of the output waveform.)

一个数码管的驱动开发程序，程序完备，可以直接使用，在开发板上使用时注意改变引脚(A digital control of the driver development program, the program is complete, can be used directly, when used in the development of attention to change the pin board)

用vhdl语言描写的存储器的读写，通俗易懂，简单实用。-Using VHDL language description of the memory read and write, user-friendly, simple and practical.

基于fpga和51单片机的等精度频率计，通过fpga对信号进行采集，数据传给单片机计算，再由12864进行显示，可进行频率，周期，脉宽，占空比，幅值等的测量。(Fpga and 51 microcontroller based precision frequency meter, through fpga for signal acquisition, data to the microcontroller to calculate, and then by 12864 for display, can be measured frequency, period, pulse width, duty cycle, the amplitude and the like.)