rc6 algorithm designed based on verilog and is verified

design the connecter between dsp and sed12

说明：  Arty Z7 20 HDMI output

Modelsim+DC开发的4级流水线结构的MIPS CPU(mips 4level cpu)

ad9957的资料，内含有命令字生成器，适合使用该芯片的开发人员(ad9957 data, contains the command word generator for developers using the chip)

ＦＰＧＡ设计中的一些经典例子对学习ＦＰＧＡ的人会有帮助-FPGA design of some of the classic examples of people learning FPGA would be helpful

说明：  microsemi的Libero IDE 软件内部IP核详解(Microsemi's Libero IDE software internal IP kernel details)

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.

wishbone接口的设计，在交换机和MAC之间建立wishbone接口(the wishbone interface design, wishbone interface between the switch and MAC)

verilog源代码，实现两种方法的模3运算。(verilog source code，to implement the calculation of mod-3 by two means.)