读写FAT32文件系统的SD卡实验

一个简单的移位寄存器。VHDL语言的，或许会对你有所帮助！-A simple shift register. VHDL language, and perhaps will help you!

该源代码是RS（31，19）码的完整编译码程序，采用的是VerilogHDL语言，包含了RS码的编码和译码，这蛋疼的东西花费好多时间(The source code is RS (31,19) code complete encoding and decoding procedures, and spend a lot of time using is VerilogHDL language contains the encoding and decoding of RS codes, this egg pain)

说明：  直接数字式频率合成器DDS设计、Verilog。 产生的信号可以是正弦波或方波、三角波、锯齿波等，自选。 采用DDS技术，将所需生成的波形写入ROM中，按照相位累加原理合成任意波形。 此方案得到的波形稳定，精度高，产生波形频率范围大，容易产生高频。 本实验在设计的模块中，包含以下功能： （1）通过 freq 信号输入需要的频率的值； （2）通过 wave_sel 信号选择所需的波形； （3）通过 amp_adj 信号选择波形放大的倍数。(DDS design of direct digital frequency synthesizer, Verilog. The generated signal can be sinusoidal or square wave, triangular wave, sawtooth wave and so on, optional. By using DDS technology, the required waveforms are written into ROM, and arbitrary waveforms are synthesized according to the principle of phase accumulation. The waveform obtained by this scheme is stable, accurate and easy to generate high frequency waveform. This experiment includes the following functions in the designed module: (1) Input the required frequency value through freq signal; (2) Choosing the required waveform by wave_sel signal; (3) Select the multiplier of waveform amplification by amp_adj signal.)

FPGA的仿真实例，Verilog代码编写，过程详尽，代码易懂。-FPGA simulation examples, Verilog coding, the process in detail, code easy to understand.

airthmatic & logic unit

UMC 90nm design kit. please read before using thee models.

利用VHDL语言编写的一个16分频器，另外可以在程序中修改为任意2N的分频器-use VHDL prepared a 16 dividers, Also in the revision process to be arbitrary 2 N Divider

我在这里附上该程序用于计算数组中的 fft。这里的蝴蝶是首次描述即基本关闭 fft 逻辑。一套是包括包含有可从与复杂的有符号类型转换的功能。Fft_engine 是为实现逻辑的主要程序。 也还会创建用于存储旋转因子在 fpga 上的 vhdl 代码。

VHDL语言实现H.264的opencore，内涵说明文档、源码和文献等资料。 -VHDL language H.264 realize the opencore, meaning that documents, information such as source code and documentation.

vmm log 验证平台，采用vmm搭建 (vmm log verification platform, built by vmm)