基于MAX485芯片的RS485通信Verilog代码

BCD码减法实现程序，非常完整，采用Verilog HDL语言实现。(BCD subtraction to achieve program code, very complete, using Verilog HDL language.)

说明：  FPGA应用状态机版，适合初学者学习状态机三段式，ASMD图的理解和翻译，以及Verilog语言的应用 最后对仿真的一些理解 其中包含HDL设计及testbench描述 根据要求设计了一个能求出一个32bit字中两个相邻0之间最大间隙的电路。(FPGA application state machine version, suitable for beginners to learn state machine three-stage, ASMD chart understanding and translation, and Verilog language application. Finally, some understanding of simulation, including HDL design and testbench description According to the requirements, a circuit is designed to find the maximum gap between two adjacent zeros in a 32 bit word.)

基于RGMII的UDP网络数据通信，学习FPGA的千兆以太网通信(RGMII based UDP network data communication, learning FPGA Gigabit Ethernet communications)

FFT with FIR created by students in univercity

VHDL Project for beginners. Electronic dice game. Perfect for Spartan devices.

三相PWM整流，实现功率双向流动,可保持直流侧电压稳定(three-phase PWM rectifier, power can bidirectional flow ，can maintain the stable DC voltage)

本模块是实现格雷码和二进制码的转换，并给出仿真测试文件(This module is to achieve the conversion of Gray code and binary code, and give the simulation test file)

利用FPGA实现硬件的VHLD语言的Manchester code。(Hardware implementation using FPGA VHLD language Manchester code.)

DESCRIPTION OF FULL ADDER

spi通用串行总线，4线控制，可读写操作(SPI universal serial bus, 4-wire control, readable and writable operation)