利用FPGA采集按键，加了消斗。其实跟单片机的效果差不多。

说明：  基于FPGA的1553b接口设计详细设计论文(1553B design based on FPGA)

Efficient CIC filter Implementation using VHDL

this Code is in verilog HDL. This Code is for piplined processor with 4 opcode. this will work in three cycle latch, decode and exicute.. test bench for xilinx ise is laos given

使用IEEE.STD_LOGIC_1164.ALL; - 取消对以下库声明，如果用符号或无符号值using--算术功能 - 使用IEEE.NUMERIC_STD.ALL; - 取消对以下库声明如果instantiating--任何Xilinx基元在这代码.--库UNISIM; - 使用UNISIM.VComponents.all;实体看门狗端口（SYSRST：在STD_LOGIC; SYSCLK：在STD_LOGIC; WR：在STD_LOGIC; DATAIN：在STD_LOGIC_VECTOR（7 DOWNTO0）; RESETOUT：出STD_LOGIC; debugStates：出STD_LOGIC_VECTOR（1 DOWNTO0）; debugDivider：出STD_LOGIC; debugFlag：出STD_LOGIC）;年底看门狗，看门狗建筑行为issignal timeoutSelect：STD_LOGIC_VECTOR（1 DOWNTO0）;信号timerRestart：STD_LOGIC;信号timerEnable：STD_LOGIC;组件wdtcntl端口（调试：出STD_LOGIC_VECTOR（1 DOWNTO0）;系统时钟：在STD_LOGIC; SYSRST：在STD_LOGIC; WR：在STD_LOGIC; DATAIN：在STD_LOGIC_VECTOR（7 DOWNTO0）;重新启动：从STD_LOGIC; timerEnb：出STD_LOGIC; timerSel：出STD_LOGIC_VECTOR（1 DOWNTO0））;最终组件;组件wdt_timer端口（dbDivider：出STD_LOGIC; DBFLAG：出STD_LOGIC; SYSRST：在STD_LOGIC; SYSCLK：在STD_LOGIC;启用：在STD_LOGIC;重启：在STD_LOGIC; RESETOUT：出STD_LOGIC; timeoutSel：在STD_LOGIC_VECTOR（1 DOWNTO0 ））;结束部分; begincontroller：wdtcntl端口映射（debugStates，系统时钟，SYSRST，WR，DATAIN，timerRestart，timer

这是用verilogHDL写的m序列发生器，简单易用，代码非常易读(It is written verilogHDL m sequence generator, easy to use, the code is very easy to read)

E1 deframmer and Frammer.

this a fpga sparttan 3e based project in which i have made a game based on vga interface . this file is the supporting file for ps/2 interface .-this is a fpga sparttan 3e based project in which i have made a game based on vga interface . this file is the supporting file for ps/2 interface .

一个LED大屏幕接收卡的完整设计工程,有需要学习LED大屏幕控制的朋友可以参考

QPSK调制的载波频偏估计，是一个可以调用的函数。接收端进行了一系列的处理。经典的L&R法(QPSK-carrier frequence offset estimation_ L&R)

SOPC系统的I2C代码 直接可用，可作为ＩＰ核用到自己的系统中(SOPC system I2C code directly available, can be used as an IP core in your system)