FIR滤波器的基本Verilog代码实现

能够绘制数字电路的时序图，是fpga工程师时序设计和分析的神器(for digital circuit timming design and analysis)

利用vhdl 语言实现对ms5611的控制，读取温度值和压力值

数字钟蜂鸣器音乐——爱情买卖，很时尚的闹钟音乐代码，经测试，很有感觉。(Digital clock buzzer music- love trading, very stylish alarm clock music code, tested, great feeling.)

用IF语句实现秒表功能的代码，显示范围在000至99.9.(Stopwatch function code with the IF statement, displayed in the range of 000 to 99.9.)

crc-16的编码，使用的多项式是G(x)=x^16+x^12+x^5+1(generator polynomial of degree 16: G(X)=x^16+x^12+x^5+1)

基于FIPS 180-4标准的SHA-1算法的verilog HDL实现，分模块分别实现(FIPS 180-4 standard SHA-1 algorithm-based verilog HDL sub-modules, respectively, to achieve)

跑马灯led_horse vhdl cpldfpga-led_horse vhdl cpldfpga

USB IPcoreIP核 包含文档(带说明)-USB IPcoreIP core includes a document (with instructions)

说明：  并行读写14路串口数据，数据被写入FIFO，在收到读写信号后，SPI发送数据出去(Parallel read and write 14 serial port data, SPI send data)

-- Booth Multiplier -- This file contains all the entity-architectures for a complete -- k-bit x k-bit Booth multiplier. -- the design makes use of the new shift operators available in the VHDL-93 std -- this design passes the Synplify synthesis check -- download from: www.fpga.com.cn & www.pld.com.cn--- Booth Multiplier-- This file contains a ll the entity-architectures for a complete-- k- bit x k-bit Booth multiplier.-- the design mak es use of the new shift operators available in th e VHDL-93 std-- this design passes the Synplify synthesis check-- download from : www.fpga.com.cn