异步FIFO代码

DE2 altera board vhdl design

网上流传的用来实现FPGA驱动VGA，从而实现一个pingpong小游戏的源码，实测可用。(a program embedded in a FPGA in order to drive the VGA and realize a little game named pingpong. tested.)

说明：  1、 例程功能VEYE-290-LVDS模组视频接入演示。（显示设备必须支持1080p/30或1080p/25的帧率） Veye模组—>MIA701开发板—>HDMI显示设备 2、 本例程硬件平台 MIA701-PCIE开发板，FPGA芯片：XC7A100TFGG484 3、 软件平台Vivado2018.1。 4、 附件含开发板原理图（底板+核心板）(1. Video access demonstration of routine function VEYE-290-LVDS module. (Display devices must support 1080p/30 or 1080p/25 frame rates) Veye Module - > MIA701 Development Board - > HDMI Display Equipment 2. The hardware platform of this routine MIA701-PCIE development board, FPGA chip: XC7A100TFG484 3. Software platform Vivado 2018.1. 4. Appendix contains schematic diagram of development board (bottom + core board))

简单的apb i2s接口，verilog代码，包括rtl实现和testbench(apb i2s interface . coded by Verilog. including rtl and testbench)

FPGA控制SRAM读写时序源码，代码桂发，新手一看就懂(FPGA control SRAM write timing source code Guifa novice understand at a glance)

VHDL Handbook by HARDI Electronics AB

基于FPGA控制的DDS波形发生器，可在Cyclone IV系列板子上使用，已经过仿真验证(Based FPGA control DDS waveform generator in Cyclone IV series board on use, has been simulation)

说明：  采用vhdl语言编写的卷积编码（2.1.7），通过调试可直接下载使用(Convolution using vhdl language code (2.1.7) can be directly downloaded through the use of debugging)

说明：  用verilog编写的LVDS接口驱动程序，采用IOSERDES技术实现，经过Spartan6 FPGA调试验证，有完整的工程。(The LVDS interface driver written in verilog is implemented using IOSERDES technology. After Spartan6 FPGA debugging and verification, there is a complete project.)

电梯控制，包括楼层按键相应，显示上下状态。(Elevator control, including the floors of the corresponding button to show the whole state.)