Comparator for Quartus

实现24小时计时，因为位数不够，这里是12进位，可自行调整进位数(Realize 24-hour timing, because the number of digits is not enough, here is 12 carry, you can adjust the carry number by yourself.)

说明：  在FPGA实验操作系统实现ASK,FSK,PSK的调制解调，基带信号由M序列发生器产生，经过AD模块在示波器上进行显示，精油DA模块在同一块实验板上进行解调操作，生成信号控制LED灯的亮灭，并与调制输出信号在示波器上同时展示，并进行对比。基带信号为3MHz。(In the FPGA operating system experiment implementation ASK, FSK, PSK modulation and demodulation of the baseband signal generated by the M sequence generator, through the AD module on the oscilloscope display module, oil DA demodulation operation in the same block experiment board, the signal generation control LED lights off, and the modulated output signal displayed on the oscilloscope at the same time, and compared.)

异步串行传输的verilog hdl 功能文件以及测试文件(The verilog hdl source and the testbench of asynchronous serial transmission )

thesis about design and implementation neural network using FPGA

基于uc3842的反激电路的saber仿真模型，可调制，波形结果完美(The saber of the flyback circuit simulation model based on uc3842, modulation, waveform perfect results)

SPI协议的VHDL/Verilog语言实现。(SPI agreement VHDL/Verilog language.)

说明：  该资料是用vhdl编写的按键消抖程序，按键消抖在使用按键的数字电路中非常重要，如果不对按键信号进行处理，有可能会出现大量错误的按键信号。文件key_xd.vhd是按键消抖程序，文件key_xd.vwf是仿真波形文件。该程序已经通过仿真测试，并且在电路板上调试通过，效果理想。(The information is written in the key consumer vhdl shaking procedures, key consumer shaking in digital circuits using the buttons is very important, if not key signal processing, there may be a lot of the wrong button signal. File key_xd.vhd is key consumer shake procedure is the simulation waveform file key_xd.vwf file. The program has been tested by simulation and debugging in circuit board by, the results are satisfactory.)

Verilog实现数据映射，解决CPM调制中的比特流向符号的转化(Implement of data mapping with Verilog)

顶级模块名称是 "_register32"。它包括许多包括 files(instance)、 _dff、 _dlatch、 和盖茨。 你可以看到整体的图表中，像 RTL 查看器后, 合成。 _register8 包含在顶部模块

LFSR模块，单个模块，实现移位寄存器，生成测试用pattern-LFSR