cordic 算法

一个FIFO产生程序，主要是一个格雷码的加法器(A FIFO generation process, is primarily a gray code adder)

自己写的7人表决器的verilog程序，实现4人以上通过则通过的功能。(Seven people to write their own voting machine verilog program to achieve four or more people pass through function.)

说明：  基于fpga的信号发生器，通过调整按键可以生成正弦波，方波，三角波，锯齿波(Sine wave, square wave, triangular wave, sawtooth wave)

说明：  USB主机和设备的verilog代码，实现了USB1.1协议规范的要求(USB host and equipment Verilog code to achieve the USB 1.1 protocol specification requirements)

说明：  频率合成器实例模块设计。频率分辨率为32位DDS的VHDL程序(Frequency synthesizer module design example. 32-bit DDS frequency resolution of the VHDL program)

AMBA BUS AHB/APB 的Verilog实现 包含AHB Arbiter，AHB-APB Bridge，AHB ROM Slave，AHB RAM Slave 来自g2 Microsystems Pty. Ltd.

驱动8*8点阵块显示汉字，可以自己根据要显示的内容随意更改，已通过验证。(Blocks of 8* 8 dot matrix drive display Chinese characters, you can display the content according to their random changes, has been verified.)

本文件给出了基于VHDL语言的VGA图像显示程序及其工程问件。(This document is presented based on VHDL language VGA image display program and the project asked the pieces.)

自己写的布斯4算法的华莱士树无符号数乘法器，3-2压缩，亲测可用(Wallace wrote the number 4 Booth algorithm unsigned multiplier, 3-2 compression, pro-test available)

QPSK调制的载波频偏估计，是一个可以调用的函数。接收端进行了一系列的处理。经典的Fitz法(QPSK-carrier frequence offset estimation_ Fitz)