基于FPGA的数字频率计VHDL源码（精确到1.1hz至20.0mhz）

可生成rom.初学者可以看看。很不错的。理解后生成rom很容易的。(LPM_ROM .It is good for VHDL new learner)

说明：  使用vivado和Xilinx开发板实现抢答器，开发板为Xilinx Artix-7(Using vivado and Xilinx development board to achieve the responder, the development board is Xilinx artix-7)

The objective of the labs today is to give you a basic understanding of FPGA design and enough experience to begin your own FPGA design with the ISE 10.1 tools and the Xilinx Spartan-3A DSP 1800A Starter Kit.

数字频率测量器，脉宽测量器。可测量多种频率波形的脉宽。(Digital frequency measurement device, pulse width measurement device. Measurement of the waveform of frequency pulse width)

EDA技术及其应用《序列信号发生器的设计》，包括源文件。(EDA technology and its applications " sequence signal generator design, including source files.)

GPS接收机相关器中关于积分清零模块、历元计数模块、时钟模块、以及整个相关器(accumulator、epoch counter、time base、gps baseband)

用verilog编写的网卡芯片rtl级。前仿后仿都通过了，可以在modelsim上运行察看-verilogrtl After the former imitation through imitation, it can run on the look modelsim

内附多路选择器，74系列芯片VHDL源码，加法器，FIR，比较器等大量例子，对初学VHDL语言很有好处。可用maxplus，quartus，synplicity等综合软件进行调试-contains multiple-choice, 74 chips VHDL source code, the adder, FIR, comparators, etc. are plenty of examples for beginners VHDL very good. Available maxplus, Quartus, synplicity integrated software debugging

说明：  小波变换的开源代码（Verilog HDL）包括有测试文件，本人看过，挺好。(code of dwt)

本程序显示在 BCD display 数从 0 到 9999.This 程序进行了智能 2 FPGA 板。