test bench for alu 6 functions

使用VerilogHDL语言加上IP核产生PWM调制波，占空比和频率可调。(The PWM modulation wave, duty cycle and frequency can be adjusted by using VerilogHDL language and IP kernel..)

PWM调制流水灯的亮度，可以看到流水灯从亮到暗(PWM modulation)

设计一个十进制计数器，具有显示位置随计数时钟在八个数码管中左右滚动的功能。(Design of a decimal counter, a display position with the count clock in at around eight digital scrolling function.)

应用背景当你按下一个按钮有一个反弹的效果，因为金属零件连接另一个按钮是不理想的，导致一个读错误的微控制器。如果我们有一个按钮，打开或关闭一个LED，如果我们不实施反弹跳过滤器（软件或硬件）将不准确的击键。有时apretará和LED不行动。关键技术软件解决方案是基于实现代码过滤按键最少x毫秒是不稳定的，所以我们知道什么是对的和别人接触是不考虑

wallace tree multiplier in verrilog

Verilog 编写的IP核，512K的16位SRAM-Written in Verilog IP core, 512K 16-bit SRAM

本设计是基于FPGA设计一个地铁自动售票系统。 本设计采用自顶向下的模块化设计方法，基于FPGA使用VHDL语言设计制作一个地铁自动售票控制系统，该系统能出售2条线路3种不同价位的票，完成售票、找零、显示等功能。(The design is based FPGA design of a subway ticket vending system. This design uses a top-down, modular design method, a subway ticket vending control system based on FPGA using VHDL language design, the system can sell two lines of different priced tickets, complete the ticket, give change, display and other functions .)

verilog实现的1024位的大数模逆算法，引入RAM作为数据通道-verilog to achieve the 1024 Modular inverse algorithms, the introduction of RAM as a data channel

I am in need of some codes of HDL

实现dsp与fpga的emif的verilog异步实现，可实现异步读写以及相应功能模块控制，文件中包含仿真后的波形图形以及仿真测试程序，运行环境quartus ii11.0，仿真环境mmodelsim se 6.5d(Achieve dsp and fpga verilog asynchronous implementation of the emif, enabling asynchronous reading and writing as well as the corresponding function module control, the document contains graphics, and after the simulation waveform simulation testing procedures, operating environment quartus ii11.0, simulation environment mmodelsim se 6.5d)