Description: 基于高速数字信号处理器(DSP) 和大规模现场可编程门阵列( FPGA) ,成功地研制了小型
化、低功耗的实时视频采集、处理和显示平台. 其中的DSP 负责图像处理,其外围的全部数字逻辑功能都集成在一片FPGA 内,包括高速视频流FIFO、同步时序产生与控制、接口逻辑转换和对视频编/ 解码器进行设置的I2 C 控制核等. 通过增大FIFO 位宽、提高传输带宽,降低了占用EMIF 总线的时间 利用数字延迟锁相环逻辑,提高了显示接口时序控制精度. 系统软件由驱动层、管理层和应用层组成,使得硬件管理与算法程序设计彼此分离,并能协同工作. 系统中的图像缓冲区采用了
三帧的配置方案,使得该平台最终具有对PAL/ N TSC 两种制式的全分辨率彩色复合视频信号进行实时采集、显示和处理的能力.-Based on high-speed digital signal processor (DSP) and large-scale field programmable gate array (FPGA), successfully developed a smaller, low-power real-time video capture, processing and display platform. One of the DSP is responsible for image processing, all its external digital logic functions are integrated in a FPGA, including high-speed video streaming FIFO, synchronous sequential generate and control, conversion and interface logic for video encoder/decoder to set up the control of nuclear and other I2 C. through increased FIFO bit width, increase the transmission bandwidth, reducing the time occupied by EMIF bus delay phase-locked loop using digital logic, Platform: |
Size: 546816 |
Author:John |
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Description: 种用FPGA 实现对高速A/ D 转换芯片的控制电路,系统以MAX125 为例,详细介绍了含有FIFO 存储器的A/ D 采样控制电路的设计方法,并给出了A/D 采样控制电路的V HDL 源程序和整个采样存储的顶层电路原理图.-Species with FPGA to achieve high-speed A/D conversion chip control circuit, the system as an example to MAX125 details FIFO memory contains A/D sampling control circuit design method, and gives the A/D sampling control circuit of the V HDL source code and the sample stored in the top-level circuit schematic. Platform: |
Size: 338944 |
Author:于银 |
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Description: 语音采集与回放系统源代码：1.为了使读音数据存储的时间更长，速度更快，选用了256K*16Bit的SRAM；2.为了减少单片机的控制复杂度，使用了FPGA来控制SRAM的读写操作，节约了不少单片机的I/O资源；3.为了以后的高速数据存储，本设计中加入了fifo,其位宽及深度可在程序中自由设置，方便灵活。-Speech acquisition and playback system source code: 1. In order to make pronunciation longer data storage, faster, 256K* 16Bit selected the SRAM 2. In order to reduce the complexity of single-chip control, the use of the FPGA to control the SRAM The read and write operations, saving a lot of microcontroller I/O resources 3. to future high-speed data storage, the design into the fifo, its width and depth can be set up in the process of free, convenient and flexible. Platform: |
Size: 804864 |
Author:song |
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Description: 在高速的数据采集或传输中，目前使用较多的都是采用USB 2．0接口控制器和FPGA或DSP实现的，本设计在USB 2．0接口芯片CY7C68013的Slave FIFO模式下，利用FPGA作为外部主控制器实现对FX2 USB内部的FIFO进行控制，以实现数据的高速传输。该模块可普遍适用于基于USB 2．0接口的高速数据传输或采集中。-In the high-speed data acquisition or transmission, the currently used are based on more USB 2.0 interface controller and the FPGA or DSP implementation, the design USB 2.0 interface chip CY7C68013 of the Slave FIFO mode, the use of FPGA as a the external FX2 USB host controller to realize the internal FIFO control, in order to achieve high-speed data transmission. The module can be generally applied based on high-speed USB 2.0 interface, transfer or acquisition of data. Platform: |
Size: 894976 |
Author:jiang_jennifer |
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Description: 在数字系统中，一般存在多个芯片，利用不同的特点用于实现不同的功能，一般都包含CPU,FPGA,AD,DA,memory，ASSP（专用标准模块）,ASIC等。CPU用于进行智能控制，FPGA进行硬件算法处理和多设备接口，AD进行模数转换，DA进行数模转换，memory存储临时数据。因此，FPGA如何与其他芯片进行通讯是重要的设计内容。数据输入，数据输出，双向通讯，指令传递，地址管理，不同时钟的异步通讯问题等等都需要处理。最基本的MEMORY如SRAM(128KX8bbit静态存储器628128)涉及到其中的输入，输出，双向通讯，地址管理问题，具有很强的代表性。在同步数字系统中更大量用到FIFO,SDRAM等等。其中FIFO使用方便简单，用处很广。在QUARTUSII软件库中，就有各种FPGA片内MEMORY供使用。但是FPGA的片内MEMORY容量太有限，因此外部MEMORY也是经常需要的。因此，本程序让大家学习控制芯片内外的MEMORY,为与其他智能设备的通讯学习打下基础。-In the digital system, generally there are several chips, the use of different features used to implement different functions, generally includes CPU, FPGA, AD, DA, memory, ASSP (application specific standard module), ASIC and so on. CPU is used for intelligent control, FPGA hardware algorithm processing and multi-device interface, AD to ADC, DA for digital-analog conversion, memory to store temporary data. Therefore, FPGA how to communicate with other chips are important design elements. Data input, data output, two-way communication, instruction delivery, address management, different clock asynchronous communication problems, and so have to deal with. If the most basic MEMORY SRAM (128KX8bbit static memory 628 128) which involved the input, output, bi-directional communication, address management issues, with strong representation. In synchronous digital systems a lot more use FIFO, SDRAM, etc.. One simple and easy to use FIFO, use very broad. In QUARTUSII software library, there ar Platform: |
Size: 223232 |
Author:平凡 |
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Description: 结合FPGA和以太网传输的特点，设计了一套数据采集系统，应用FPGA的内部逻辑实现对ADC、SDRAM、网卡控制芯片DM9000的时序控制，以FPGA作为采集系统的核心，通过ADC，将采集到的数据存储到SDRAM中，以FIFO方式从SDRAM中读出数据，并将数据结果通过以太网接口传输到计算机-Combination of FPGA and Ethernet features, designed a data acquisition system, application FPGA' s internal logic to realize the ADC, SDRAM, LAN controller chip DM9000 timing control to capture FPGA as the core of the system, through the ADC, will be collected The data stored in SDRAM, the SDRAM in order to read data from the FIFO method, and data results to a computer via Ethernet interface Platform: |
Size: 388096 |
Author:gdr |
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Description: 本程序：EZ-USB在slave fifo模式下，利用FPGA控制EZ-USB的数据读写-This program: EZ-USB in slave fifo mode, use the EZ-USB FPGA control data read and write Platform: |
Size: 2048 |
Author:陈培哲 |
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Description: 由Verilog编写在FPGA实现sobel算法应用于图像边缘检测，工程文件可在quartus13.1以上版本打开；工程使用到ram、fifo、pll三种ip核，design文件夹下包含ram、fifo、vga控制以及串口收发和sobel算法模块，sim和doc文件夹下分别包含modelsim的仿真模块和仿真结果；测试时将200*200分辨率的图片用matlab文件夹下的matlab脚本压缩、二值化，再将生成文件中数据用串口发给FPGA，边缘检测结果会通过VGA输出。(Written by Verilog in the FPGA implementation sobel algorithm applied to the edge detection of the image, the project file can be opened in the quartus13.1 or later project use ram, fifo, pll three ip kernel, design folder contains ram, fifo, vga control and Serial port transceiver and sobel algorithm module, sim and doc folder, respectively, include modelsim simulation module and simulation results test will be 200* 200 resolution picture matlab folder under the matlab script compression, binarization, and then generated Data in the file with the serial port to the FPGA, edge detection results will be output through the VGA.) Platform: |
Size: 10222592 |
Author:丶大娱乐家 |
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Search - FIFO control in the FPGA