串口程序 VHDL

4X4keypad的防抖动模块，用于假按键的检测-4X4keypad shake the module, the keys for false detection

内有LED译码器，汉明纠错译码器，地址译码器，最高优先译码器，双2－4译码器等VHDL的源代码-decoder, Hamming error correction decoder, address decoder, the highest priority decoder, dual 2-4 decoder such as VHDL source code

基于ARM的DDS信号发生器设计，可以产生各种信号的波形，生成所需要的信号，可供实验用(DDS signal generator based on ARM, can produce a variety of signal waveform can be used for experiment)

CPLD实用设计50例，非常经典的CPLD设计，包含50个实际的典型应用，涉及直流电机PWM驱动，编码等内容，有了这50例，举一反三，就会了很多应用-50 cases of practical CPLD design, very classic CPLD design, including 50 typical practical applications, involving PWM DC motor driver, coding, etc., with these 50 cases, giving top priority will be a lot of applications

practical_lift_controller 实用电梯控制器 实用电梯控制系统block symbol file 实用电梯控制器的Verilog HDL程设计-practical utility practical_lift_controller elevator controller elevator control system block symbol file utility elevator controller Verilog HDL-way design

Simple I2C controller -- 1) No multimaster -- 2) No slave mode -- 3) No fifo s -- -- notes: -- Every command is acknowledged. Do not set a new command before previous is acknowledged. -- Dout is available 1 clock cycle later as cmd_ack -Simple I2C controller-- 1) No multimaster-- 2) No slave mode-- 3) No fifo"s---- notes :-- Every command is acknowledged. Do not set a ne w command before previous is acknowledged.-- D is available out a clock cycle later as cmd_ack

vga 测试代码，可以显示任意彩条，棋盘，花纹(VGA test code, can display any color bar, chess board, decorative pattern )

这是一个二进制的最简单分频器，是一个简短的fpga代码，用verilog书写(This is the most simple of a binary frequency divider, the fpga is a short code, written in verilog)

VHDL 语言实现 38译码器 文件中包括 程序 源代码 还有 testbench 测试程序(38 decoder VHDL language implementation, including program source code file, there are testbench test procedures)

一个AD9226芯片的驱动，用FPGA写的。虽然简单，但是希望对各位有帮助(An AD9226 chip driver, FPGA written. Though simple, but I hope you will help)