vhdl code for alu and detemines the basic components of alu unit in cpu system

Wimax矩阵的LDPC编码器，已通过modelsim仿真测试，并前在altera的FPGA板上通过测试,码率5/6，可进入代码内部修改参数，支持2/3,3/4其他2个码率，数据吞吐量为700M(Wimax based LDPC encoder, modelsim simulation passed, also passed on altera FPGA board, code rate 5/6, also support 2/3,3/4, throughout 700m)

说明：  verilog实现的FFT变换，经硬件测试其功能与Altera的FFT IP核相近(verilog implementation FFT transform, through hardware, test its functionality with Altera' s FFT IP core similar to)

FPGA-CPLD实习计数器7段数码管控制接口设计与LED显示控制，FPGA译码(FPGA-CPLD internship counter 7-segment LED control interface design and LED display control, FPGA decoder)

基于NIOS II 的DE1开发板的VGA 控制器VGA控制模块主要控制VGA模块的开始和其运行的状态，需要写一个Avalon 从端口响应CPU的控制信号，继而控制整个模块的运行，-Based on the DE1 of the NIOS II development board VGA controller to control the VGA module VGA main control module and its operation began, and the need to write a response to Avalon from the CPU ports of the control signal, and then control the operation of the entire module,

文件名：lcd1602lib.h 内　容：1602液晶的控制端口、数据端口和相关操作(The file name: lcd1602lib. H * inside let: 1602 LCD control port, data port and related operations )

交通灯控制器的VHDL设计,能控制十字路口的红绿灯转换,通过目标芯片EPF10KLC84-4验证-Traffic lights controller VHDL design, can be controlled by traffic lights at the crossroads of the conversion, through the target chips EPF10KLC84-4 verification

VHDL入门级好教材《VHDL开发精解与实例剖析》(VHDL development solution with fine examples of analysis)

VHDL语言设计；功能描述：键盘扫描，不包含去抖电路-VHDL language design Function description: the keyboard scanning, does not contain a circuit debounced

实现QPSK系统的调制解调仿真，基带成形滤波器采用升余弦滚降滤波器，将仿真的误码率与理论误码率作了比较(Implement QPSK modulation and demodulation simulation system, the baseband shaping filter using Raised Cosine filter will BER simulation were compared with the theoretical BER)

基于FPGA的PCM编码器与解码器的设计-about fpga and pcm