一种用于乘数的8x8的制备采用Verilog HDL语言

通过FPGA驱动千兆以太网口，完成SPARTAN6上的UDP数据包闭环测试，即通过网口发送数据包到FPGA，FPGA内部将接收到的数据返回到PC机，建议测试之前添加ARP静态绑定，FGPA内部的IP以及MAC地址在ROM里的COE文档里可以看到，发送端添加了CRC以及整体CHECKSUM的计算(Driven by FPGA Gigabit Ethernet port, UDP SPARTAN6 data packet on the closed loop test, through the network to send data packets to FPGA, FPGA will receive the data back to the PC, the proposed test before adding ARP static binding, FGPA internal IP and MAC address in the COE document in the ROM where you can see, the sender adds CRC and CHECKSUM integral calculation)

This verilog vga test circuit

VHDL,简易音频数字相位表的设计与实现 数字相位测量仪在工业领域中经常用到的一般测量工具，主要应用与同频率正弦信号间的相位差的测量显示。 本系统采用FPGA实现测量的核心部分，主要由数字鉴相、累加计数器、控制器以及寄存与显示译码电路组成。该系统硬件电路简单，整个系统采用硬件描述语言VHDL作为系统内部硬件结构的描述手段，在XILINX公司的ISE9.1的软件支持下完成。可以对20Hz~20kHz频率范围内的音频信号进行采样鉴相处理，并将数据传回FPGA进行相位差计数累加、测量运算，最后送显示译码电路显示，测相范围为 ，相位测量误差 < 。 经测试结果验证，本系统充分利用FPGA对数据的高速处理能力，是系统设计高效、可靠，处理速度快，稳定性高，易于实现。 (VHDL, simple audio digital phase Table Design and Implementation of the digital phase meter general measurement tools are often used in the industrial field, the measurement of the phase difference between the main application with the same frequency sinusoidal signal. The system uses the FPGA implementation of the core part of the measurement, mainly by the digital phase, cumulative counter, the decoding circuit of the controller as well as storage and display. The system hardware circuit is simple, and the entire system using hardware description language VHDL system means a description of the internal hardware structure, completed in the XILINX company ISE9.1 software support. The audio signal in the frequency range of 20Hz ~ 20kHz sampling KAM-phase process, and the data returned FPGA retardation counted accumulation measuring operation, and finally sent to the decoding circuit, the scope of the measurement phase, the phase measurement error < . The test results verify the full u)

基于Xilinx Spartan6系列的fpga的VGA实现(Based on Xilinx Spartan6 series fpga VGA implementation)

说明：  FPGA Verilog浮点数乘法运算，采用单精度浮点型小数格式，运算结果精度可设置，可封装成IP核(FPGA Verilog floating-point multi operation, using single precision floating-point decimal format, the accuracy of the operation results can be set, can be packaged into IP core)

此文档包含 VHDL 的Vedic 乘数的详细内容。 它内容Vedic 乘数过程的详细的解释。

用VHDL硬件语言实现的iic顶层控制程序-Using VHDL hardware language to achieve the top level of the IIC control procedures

Very suitable for the study using computer vision, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. The performance of the program has reached a high level.

FFT变换的IP核的源代码 VHDL~-FFT IP core of the source code for VHDL ~

Electric Guitar Digital Effects Processor