双向使用VHDL仿真环境转移登记环节

     提供2个VHDL程序实现键盘显示的功能，第一个是16*16点阵显示“北京欢迎”，用VHDL语言编程实现，串烧在单片机实验工具箱上，让单片机点阵键盘上依次显示“北京欢迎”的字样。另附有LED数码管循环显示0～9数字的VHDL程序 ，成功串烧后，键盘上连续显示0~9这10个数字。

VHDL code for 32 byte RAM

SPI接口的实现以及对外设的读写操作，其中包扩了几种工作方式，同时可以读取外设的版本号，传输速率可以达到2Mbps-SPI interface implementation, as well as read and write operations on the peripheral, which extended several work packages at the same time can read the version number of peripherals, transfer rate up to 2Mbps

HDLC通信协议，FPGA实现，包含源文件和仿真测试文件。(HDLC comunication)

密码锁，大学数字eda课程顺序锁的源代码，有2位或者4位的顺序锁，可以在fpga或者cpld上实现 (Password lock, digital eda course the order of the source code of the locks, the order of two or four locks, and can be implemented on the fpga or cpld)

数字通信系统相移键控CPSK信号和差分相移键控的调制与解调的VHDL代码(Phase shift keying digital communication system CPSK signals and differential phase-shift keying modulation and demodulation of the VHDL code for)

文件名：ADC0809.vhd功能：基于VHDL语言，实现对ADC0809简单控制说明：ADC0809没有内部时钟，需外接10KHz~1290Hz的时钟号，这里由FPGA的系统时钟（50MHz）经256分频得到clk1（195KHz）作为ADC0809转换工作时钟。-File name: ADC0809.vhd features: Based on the VHDL language, easy to control implementation of the ADC0809 Description: ADC0809 internal clock does not need external 10KHz ~ 1290Hz clock number, here by the FPGA system clock (50MHz) frequency by 256 points to be clk1 (195KHz ) as the conversion ADC0809 clock job.

Verilog HDL教程 什么是Verilog HDL？ Verilog HDL 硬件描述语言(What is a Verilog HDL tutorials Verilog HDL? Verilog HDL hardware description language)

VHDL implementation of RC6 encryption algorithm Test file represent applying all zero input and all zero key note that result is correct but bytes positions are swapped

说明：  AD9250是一款双通道14位ADC，最高采样速率250 MSPS，JESD204B Subclass 0或Subclass 1编码串行数字输出(The ad9250 is a dual channel 14 bit ADC with a maximum sampling rate of 250 MSPs and jesd204b sub class 0 or sub class 1 coded serial digital output)