这个是vhdl的彩灯实例程序，里面涵盖了48种的彩灯变化，通过了maxplus的验证，并且在机上实验通过...

PC104总线的CPLD代码，调试已经通过，可以修改应用到其他的工程(PC104 bus CPLD code, debugging has been passed, you can modify the application to other engineering 示例用法:)

能够完美产生数字地面电视（DTMB）的信源的程序。帧头模式为模式一。信道可选择，信号加入频偏，延时，后经滤波器后输出。(Able to produce perfect digital terrestrial television (DTMB) of the source program. Mode is the mode a header. Channels to choose from, the signal adding offset, delay, after the filter output.)

fpga verilog实现 S29GL256S 系列 并行 nor flash 的读写擦除操作功能。 verilog源代码。(Verilog S29GL256S to achieve FPGA series parallel flash nor read and write erase operation function. Verilog source code)

1、 利用FLEX10的片内RAM资源，根据DDS原理，设计产生正弦信号的各功能模块和顶层原理图； 2、 利用实验板上的TLC7259转换器，将1中得到的正弦信号，通过D/A转换，通过ME5534滤波后在示波器上观察； 3、 输出波形要求： 在输入时钟频率为16KHz时，输出正弦波分辨率达到1Hz； 在输入时钟频率为4MHz时，输出正弦波分辨率达到256Hz； 4、 通过RS232C通信，实现FPGA和PC机之间串行通信，从而实现用PC机改变频率控制字，实现对输出正弦波频率的控制。-a use FLEX10-chip RAM resources, in accordance with DDS principle, design sinusoidal signal generated by the top-level functional modules and schematics; 2, the experimental board TLC7259 converters, will be a sinusoidal signal, the D/A conversion, after filtering through the ME5534 oscilloscope observation; 3, the output waveform requirements : the input clock frequency of 16KHz, sine wave output resolution of 1Hz; the input clock frequency of 4MHz, the sine wave output resolution of 256Hz; 4, RS232C communications, FPGA and PC serial communications between in order to achieve PC-frequency control characters, the realization of sine wave output frequency control.

机器人控制,用matlab robotics toolbox 仿真设计(robotics controll using matlab robotics toolbo simulation)

频率计，ＶＥＲＩＬＯＧ代码，含详细　中文注释．-Cymometer, VERILOG code, containing a detailed Chinese Notes.

高速高性能FFT处理器的VLSI实现研究，适合做FPGA的技术人员参考研究FFT-High-speed high-performance FFT processor VLSI realization of research, suitable for FPGA technology reference study FFT

this the for a equiripple filter-this is the for a equiripple filter

本文使用实例描述了在 FPGA/CPLD 上使用 VHDL 进行分频器设 计，包括偶数分频、非 50％占空比和 50％占空比的奇数分频、半整数 （N+0.5）分频、小数分频、分数分频以及积分分频。所有实现均可 通过 Synplify Pro 或 FPGA 生产厂商的综合器进行综合，形成可使 用的电路，并在 ModelSim 上进行验证。 -This article describes the use of examples in the FPGA/CPLD prescaler to use VHDL to design, including the even-numbered sub-frequency, non-50 duty cycle and 50 duty cycle of the odd-numbered sub-frequency, semi-integer (N+ 0.5) sub-frequency, fractional-N, as well as scores of sub-band frequency points. All can realize through the Synplify Pro or FPGA manufacturers integrated synthesizer to form a circuit can be used and verified in the ModelSim on.

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)