入门，verilog语言，实现字符型液晶1602的显示，及按键控制

计数器的程序，eda编程用的，vhdl语言编程，大家下载看看吧(Program counter, eda programming used, vhdl programming )

4位全加法器的modelsim工程带testbench(Four full-adder modelsim project with testbench)

在国际标准组织开放式系统互联（OSI）参考模型下，以太网是第二层协议。10G以太网使用ＩＥＥＥ（电气与电子工程师学会）802.3以太网介质访问控制协议（ＭＡＣ）、ＩＥＥＥ 802.3以太网帧格式以及ＩＥＥＥ 802.3最小和最大帧尺寸。-In the International Standards Organization Open Systems Interconnect (OSI) reference model, Ethernet is the second-layer protocol. 10G Ethernet using the IEEE (Institute of Electrical and Electronics Engineers) 802.3 Ethernet Media Access Control Protocol (MAC), IEEE 802.3 Ethernet frame format, as well as the minimum and maximum IEEE 802.3 frame size.

占空比1：1的通用分频模块-1:1 generic-frequency module

说明：  FPGA锁相环实验： 顶层文件加底层IP文件构成 top中例化ip核pll(Experiment of Phase-Locked Loop Based on FPGA)

使用verilog硬件设计语言在FPGA板子上STOPWATCH 秒表设计。(Using verilog hardware design language STOPWATCH stopwatch design on FPGA board.)

利用FPGA实现对外设按键的控制，例如用户库用按键控制跑马灯的效果(FPGA is used to realize the control of external keys, such as the effect of user database using keys to control the running horse lamp)

说明：  In the data management system a significant role of the Data link layer is to convert the unreliable physical link between reader and tag into a reliable link. Therefore, the RFID system employs the Cyclic Redundancy Check (CRC) as an error detection scheme. In addition for reader to communicate with the multiple tags, an anti-collision technique is required. The technique is to coordinate the communication between the reader and the tags. The common deterministic anti-collision techniques are based on the Tree algorithm such as the Binary Tree and the Query Tree algorithms.

一个8X8的矩阵键盘的VHDL文件,并且有长安键和短按键之分,即一共能做到128个键值,扫描用的时钟用1ms的就行了-A 8x8 matrix keyboard VHDL files and have Changan and short keys of key points, namely, to achieve a total of 128 keys, scanning with the clock used on the list of 1ms

用VHDL硬件描述语言实现的对FPGA（Cyclone II）的配置的VHDL源代码。-VHDL hardware description language for FPGA (Cyclone II) configurations VHDL source code.