Realize four kinds of common sine wave, triangle, sawtooth, square wave (A, B) t...

MIG IP控制DDR3读写测试，于MIG IP核用户接口时序较复杂，这里给出扩展接口模块用于进一步简化接口时序。(MIG IP controls DDR3 reading and writing tests, and the time sequence of MIG IP kernel user interface is more complex.)

verilog写的频率计程序的计数模块,-Verilog written procedures for counting frequency meter module,

说明：  学习vhdl硬件描述语言的一些例子的原代码(VHDL hardware description language to learn some examples of the original code)

一个小寄存器堆，使用参数化编程，附有仿真代码，可直接在vivado（2018.2版本及以后）上运行(A small register heap, using parametric programming)

用verilog写的4*4小键盘按键检测程序。本工程已经编译好。可以直接在Atera DE1 Fpga开发板上运行-Written using Verilog 4* 4 keypad keys detection procedures. The project has been compiled. Directly in the development of Atera DE1 Fpga board run

从入门到精通，从简单到难，带你轻轻松松玩转FPGA(It is used to measure noise and detect road noise pollution. It is accurate and has good effect.)

说明：  report for a report for a class

四位除法器的VHDL源程序-four division of VHDL source

用verilog实现dsp与Fpga接口的同步设计，其功能包括读写操作及四个功能模块，采用两个fifo实现不同时钟域的地址与数据的转换，在quartus ii11.0环境下运行，运行此程序之前需运行将调用fifo。(Dsp using verilog achieve synchronization with Fpga interface design, its features include read and write operations and four functional modules, using two different clock domains to achieve fifo address and data conversion in quartus ii11.0 environment to run, run this program required before running calls fifo.)

一个八位的并行输入，串行输出的编码器；带有开头结尾帧。(It is an encode with eight palallel input and a serial output.)