VHDL实现了IIS接口程序，在Quartus II 6.0上编译通过，在板子上可以读取IIS数据...

verilog实现的数字跑表 精确到10ms-verilog digital stopwatch to achieve accurate to 10ms

VHDL Coding style guide

DDR2 SDRAM仿真模型，适合于ModelSim下工作，请先阅读readme-DDR2 SDRAM Simulation Model which is suitable for modelsim. Please read readme file firstly.

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高速串行设计FPGA-GTX IP设置生成drp模块，可动态配置速率2.4Gbps，1.2Gbps，0.6Gbps，自适应链接(High-speed serial design FPGA-GTX IP setting generation drp module, dynamically configurable rate 2.4Gbps, 1.2Gbps, 0.6Gbps, adaptive link)

用VHDL编写的串口通讯程序，包括几个不同的程序例子，也可以用verilog进行改写。

对于中断技术有非常详细的讲解，带图片完整版(Technology for the interruption of a very detailed explanation, with pictures full version)

北大verilog课件，数字集成电路设计入门，从HDL到版图-North Verilog courseware, digital IC design entry, from HDL to the map

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.

VHDL源代码包-VHDL source code