Verilog写的 8 位超前进位加法器

DDS在现在运用月来越广泛，在相对带宽、频率转换时间、相位连续性、正交输出、高分辨力以及集成化等方面都远远超过了传统频率合成技术所能达到的水平，为系统提供了优于模拟信号源的性能。利用DDS技术可以很方便地实现多种信号。在FPGA上实现的DDS-DDS now to the use of more extensive relative bandwidth, frequency conversion time, phase continuity, quadrature output, high-resolution and integration, and other aspects far more than the traditional frequency synthesizer technology can achieve the level To provide a superior analog signal source performance. DDS technology can be used very easily to a variety of signal. FPGA Implementation of DDS

D触发器的基本功能的理解及应用，特别是记忆传输功能使用WAIT语句编写地理解-D flip-flop understanding of the basic functions and applications, in particular the memory transfer function using the WAIT statement is prepared to understand

应用背景用键盘上的应用程序，如文字，以矩阵为主导。关键技术键盘的PS / 2在DE2 115编程。它是有用的，重要的是要了解如何在DE2用VHDL键盘程序

8051内核的Verilog程序实现，完成普通的单片机8051内核功能.包含综合后文件和测试文件(The 8051 kernel Verilog program complete ordinary microcontroller 8051 kernel function. Contains comprehensive post files and test files)

外部ADC采集数据，存为数组文件。通过程序读入，然后即可求出ADC的SNR、SINAD、THD、ENOB等。(External ADC data collection, stored as an array of documents. Read through the program, then the ADC SNR, SINAD, THD, ENOB can be calculated.)

LPC4357开发板采用ARM的Cortex-M4微控制器LPC4357。内置一个ARM Cortex-M0协处理，CPU运行频率高达204MHz，片内集成1MB Flash和36KB SRAM。开发板采用独立核心板设计，核心板集成64MB SDRAM、128MB NAND-Flash、4MB SPI-Flash。核心板上的摄像头接口可直接连接各种型号的摄像头，两侧160P排针接口引出了除EMC总线外的LPC4357芯片所有功能管脚。 开发板提供丰富的外设接口，包括以太网、液晶屏、摄像头、USB-Host、USB-OTG、SD卡、RS232、RS485、CAN、耳机、麦克风、温度传感器、AD/DA、JTAG仿真器等。此外，开发板提供一个14P扩展接口，包括1路UART、1路SPI、1路I2C、4个IO、3.3V、5V，可以很方便的扩展自己的外围电路。(DS-LPC4357 development board using the Cortex-M4 microcontroller LPC4357 ARM s. A built-in ARM Cortex-M0 co-processor, CPU operating frequency up to 204MHz, 1MB Flash and 136KB SRAM integrated on chip. Development board using an independent core board design, the core board integrates 64MB SDRAM, 128MB NAND-Flash, 4MB SPI-Flash. Camera core board interface can be directly connected to various types of cameras, both sides 160P pin interface leads to the outside of the bus in addition to EMC LPC4357 chip all the functions of the pins. Development board provides a rich set of peripheral interfaces, including Ethernet, LCD screen, camera, USB-Host, USB-OTG, SD card, RS232, RS485, CAN, headphone, microphone, temperature sensor, AD/DA, JTAG emulator, etc. . In addition, the development board provides a 14P expansion interfaces, including one-way UART, 1 road SPI, 1 channel I2C, 4 个 IO, 3.3V, 5V, can easily expand their peripheral circuits.)

通过CPLD将8位并行数据转换为串行数据并可以采用I2C方式与其他器件连接，可以用于MCU需要与提供I2C接口器件通信的场合。-through CPLD to eight parallel data into serial data and methods can be used I2C connections with other devices, which can be used to provide MCU with I2C Interface Communications occasions.

基于vhdl的按键检测程序。可以有效消除抖动(vhdl key dectect program)

基于FPGA的JPEG解码，对开发图片解码的人有用。(FPGA-based JPEG decoding, the development of image decoding useful.)

应用背景在本文中，我们提出了一种高效的非流水线式AES-128实现高实施吞吐量，以便它可以使用在千兆协议。我们实现我们的AES-128加密设计在Xilinx Virtex-7 FPGA解密了4.86 Gbps的5.30/ ECB模式和5.23/4.84吞吐量在CBC模式Gbps。关键技术由于高吞吐量的要求加密信道的体系结构，一种高效的实施硬件是必要的。这可以实现通过使用高端可重构智能利用平台。实现令人信服的高吞吐量，一高效的非流水线式的先进实现数据加密标准（AES）和密钥长度为128比特，用于千兆位现场可编程门阵列（FPGA）协议提出。