由avalen总线转接i2c总线的vhdl程序 可应用于nios嵌入式系统

汽车在防撞雷达方向的研究的详细原理的介绍(Introduction of detailed schematic of the car in the direction of the anti-collision radar)

verilog入门基础以及简单编程介绍，verilog是近几年发展迅速的一门硬件语言-Verilog entry basis, as well as introduce a simple programming, verilog in recent years the rapid development of a hardware language

包含32为乘法器的设计，用verilog语言实现，包括booth编码的实现，booth乘法器的实现，3_2压缩器的实现，4_2压缩器的实现，华伦斯树的实现，以及两个testbench文件用于测试。(Contains 32 multiplier design, verilog language, including booth encoding implementations, booth multiplier implementations, 3_2 compressor implementation 4_2 compressor to achieve and realize China Clarence tree, and two testbench file with the to the test.)

USB245I的基于FPGA的VHDL语言的驱动程序,应该有用-USB245I based FPGA VHDL of the driver, should useful

键盘计算器，可实现加减乘数运算 基于fpga nios2(Keyboard, calculator, addition and subtraction can be realized based on fpga nios2 multiplier operator)

Three-input Majority Voter -- The entity declaration is followed by three alternative architectures which achieve the same functionality in different ways. -Three-input Majority Voter -- The entity declaration is followed by three alternative architectures which achieve the same functionality in different ways.

用于FPGA的huffman算法的HDL编码，包括VHDL及Verilog代码。可用于JPEG及MPEG压缩算法。(The huffman algorithm for FPGA HDL coding, including VHDL and Verilog code. Can be used in JPEG and MPEG compression algorithms.)

FPGA上的VERILOG语言编程。通过查找表实现直接数字频率合成。在主控部分通过键盘选择正弦波，方波，三角波，斜波，以及四种波形的任意两种的叠加，以及四种波形的叠加；通过控制频率控制字C的大小，以控制输出波形频率，实现1Hz的微调；通过地址变换实现波形相位256级可调；通过DAC0832使波形幅值256级可调；通过FPGA内部RAM实现波形存储回放；并实现了每秒100HZ扫频。(FPGA on the verilog language programming. Lookup table through direct digital frequency synthesis. In part through the control of the keyboard to choose sine, square, triangle wave, sloping wave, and four arbitrary waveform two superposed and the stack of four waveform; by controlling the frequency control word on the size, in order to control the output waveform frequency, 1 Hz to achieve the fine-tuning; Address transform through waveform phase adjustable 256; DAC0832 so through waveform amplitude adjustable 256; FPGA through internal RAM to the waveform storage intervals; and achieve a 100 per second sweep 9999.)

说明：  用VERILOG实现的，hdb3编码器和解码器，经过前仿真和后仿真成功(Achieved with the VERILOG, hdb3 encoder and decoder, after a successful pre-simulation and post simulation)

有符号16位乘法器。经典booth编码。拓扑结构为wallance树。加法器类型是进位选择加法器。(Number system: 2 s complement Multiplicand length: 16 Multiplier length: 16 Partial product generation: PPG with Radix-4 modified Booth recoding Partial product accumulation: Wallace tree Final stage addition: Carry select adder )