Description: DDR控制器的VHDL源代码.采用FPGA实现DDR接口控制器,适用于Altera的FPGA,最高频率可到100M-DDR controller VHDL source code. Using FPGA DDR interface controller, applicable to Altera FPGA, the highest frequency available 100M Platform: |
Size: 776642 |
Author:张涛 |
Hits:
Description: 很多嵌入式系统，特别是应用于图像处理与高速数据采集等场合的嵌入式系统，都需要高速缓存大量的数据。DDR（Double Data Rate，双数据速率）SDRAM由于其速度快、容量大，而且价格便宜，因此能够很好地满足上述场合对大量数据缓存的需求。但DDR SDRAM的接口不能直接与现今的微处理器和DSP的存储器接口相连，需要在其间插入控制器实现微处理器或DSP对存储器的控制。-many embedded systems, especially for image processing and high-speed data acquisition, and so on the embedded system, Cache require large amounts of data. DDR (Double Data Rate, double-data rate) SDRAM due to its speed, large capacity, and their prices are cheaper, it can be a very good occasion to meet these massive data cache demand. But DDR SDRAM interface directly with today's microprocessor and DSP memory interface connected, During the need to insert controller microprocessor or DSP memory of the control. Platform: |
Size: 237546 |
Author:joucan |
Hits:
Description: XAPP858 - 利用 Virtex-5 FPGA 实现的高性能 DDR2 SDRAM 接口数据采集 本应用指南描述了用于实现 667 Mbps（333 MHz）高性能 DDR2 SDRAM 接口的控制器和数据采集的技巧。 本数据采集技巧使用了输入串行器/解串器（ISERDES）和输出串行器/解串器（OSERDES）的功能。-XAPP858-use Virtex-5 FPGA high-performance DDR2 SDRA M Interface Data Acquisition Guide describes the application for achieving 667 Mbps (333 MHz) high-performance DDR 2 SDRAM Interface controller and data acquisition techniques. The data collection techniques used serial input / Solution Series (ISERDES) and serial output / Solution Series (O Legacy) function. Platform: |
Size: 297475 |
Author:mingming |
Hits:
Description: DDR控制器的VHDL源代码.采用FPGA实现DDR接口控制器,适用于Altera的FPGA,最高频率可到100M-DDR controller VHDL source code. Using FPGA DDR interface controller, applicable to Altera FPGA, the highest frequency available 100M Platform: |
Size: 776192 |
Author:张涛 |
Hits:
Description: 很多嵌入式系统，特别是应用于图像处理与高速数据采集等场合的嵌入式系统，都需要高速缓存大量的数据。DDR（Double Data Rate，双数据速率）SDRAM由于其速度快、容量大，而且价格便宜，因此能够很好地满足上述场合对大量数据缓存的需求。但DDR SDRAM的接口不能直接与现今的微处理器和DSP的存储器接口相连，需要在其间插入控制器实现微处理器或DSP对存储器的控制。-many embedded systems, especially for image processing and high-speed data acquisition, and so on the embedded system, Cache require large amounts of data. DDR (Double Data Rate, double-data rate) SDRAM due to its speed, large capacity, and their prices are cheaper, it can be a very good occasion to meet these massive data cache demand. But DDR SDRAM interface directly with today's microprocessor and DSP memory interface connected, During the need to insert controller microprocessor or DSP memory of the control. Platform: |
Size: 237568 |
Author:joucan |
Hits:
Description: XAPP858 - 利用 Virtex-5 FPGA 实现的高性能 DDR2 SDRAM 接口数据采集 本应用指南描述了用于实现 667 Mbps（333 MHz）高性能 DDR2 SDRAM 接口的控制器和数据采集的技巧。 本数据采集技巧使用了输入串行器/解串器（ISERDES）和输出串行器/解串器（OSERDES）的功能。-XAPP858-use Virtex-5 FPGA high-performance DDR2 SDRA M Interface Data Acquisition Guide describes the application for achieving 667 Mbps (333 MHz) high-performance DDR 2 SDRAM Interface controller and data acquisition techniques. The data collection techniques used serial input/Solution Series (ISERDES) and serial output/Solution Series (O Legacy) function. Platform: |
Size: 296960 |
Author:mingming |
Hits:
Description: SDRAM控制器Verilog员代码，控制接口模块，完成和顶层模块的控制命令的传递-SDRAM controller member Verilog code control interface module, Top module and complete the transfer of control orders Platform: |
Size: 3072 |
Author:陈建勇 |
Hits:
Description: This code is a SDRAM Controller IP Core for FPGA to interface with SDRAM Memory.
This code is based Xilinx FPGA Playform. Platform: |
Size: 108544 |
Author:peace |
Hits:
Description: This code is a SDRAM Controller IP Core for FPGA to interface with SDRAM Memory.
This code is Verilog.
This code is based Xilinx FPGA Playform. Platform: |
Size: 488448 |
Author:peace |
Hits:
Description: xilinx应用指南xapp260的中文翻译版本。利用 Xilinx FPGA 和存储器接口生成器简化存储器接口。本白皮书讨论各种存储器接口控制器设计所面临的挑战和 Xilinx 的解决方案，同时也说明如何使用 Xilinx软件工具和经过硬件验证的参考设计来为您自己的应用（从低成本的 DDR SDRAM 应用到像 667 Mb/sDDR2 SDRAM 这样的更高性能接口）设计完整的存储器接口解决方案。-The use of Xilinx FPGA and Memory Interface Generator to simplify memory interface. This white paper discusses the various memory interface controller design challenges facing
Warfare and Xilinx solutions, but also explains how to use Xilinx
Software tools and hardware-proven reference designs to be for your own
With (from low-cost DDR SDRAM applications to such as 667 Mb/s
This higher performance DDR2 SDRAM interface) design a complete deposit
Storage device interface solution. Platform: |
Size: 1123328 |
Author:陈阳 |
Hits:
Description: 这是xilinx应用指南xapp858的中文版本。本应用指南介绍了用于实现高性能 DDR2 SDRAM 接口的控制器和数据采集技术。本数据采集技术使用了每一个 Virtex™ -5 I/O 都具有的输入串行器/ 解串器 (ISERDES) 和输出双倍数据速率 (ODDR) 的功能。-This is the xilinx application note xapp858 the Chinese version. This application note describes the interface used to achieve high-performance DDR2 SDRAM controller and data acquisition technology. This data collection technique used in each Virtex ™ -5 I/O has an input serializer/deserializer (ISERDES) and output double data rate (ODDR) function. Platform: |
Size: 447488 |
Author:陈阳 |
Hits:
Description: VHDL写的SDRAM的精简控制器。包含SDRAM接口控制器，和数据读写控制。含有实际抓取的signatap波形。为初学SDRAM者的，最好参考。-A SDRAM controller written in VHDL.Including SDRAM interface controller, read and write control. It is the best reference for SDRAM learners . Platform: |
Size: 142336 |
Author:邓奇勋 |
Hits:
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 |
Hits:
Description: 通过 UART 读写 SDRAM verilog 源代码
通过 UART 的接口发送命令来读写 SDRAM
命令格式如下：
00 02 0011 1111 2222
00： 写数据
02： 写个数
0011： 写地址
1111 2222： 写数据， 是 16 bit， 每写完一个数据，向串口发送 FF 回应；
输出： FF FF
01 03 0044
01: 读sdram
03： 读的个数
0044: 读的地址
输出： xxxx xxxx xxxx
sdram 在 0044 0045 0046 处的数据；
sdram 使用的是 K4S161622D.pdf
系统时钟 25m， 通过 PLL 得到 SDRAM clk 100m
sdram controller clk 100m， 前者相对后者2ns 相移 -Read and write through the UART SDRAM verilog source code through the UART interface to send commands to SDRAM read and write command format is as follows: 0,002,001,111,112,222 00: Write Data 02: Write the number of 0011: write address 11112222: write data, is 16 bit, each completed a data, respond to the serial port FF output: FF FF 01 03 0044 01: Reading sdram 03: 0044 the number of read: Read the address output: xxxx xxxx xxxx sdram at 004,400,450,046 at the data sdram use system clock is K4S161622D.pdf 25m, obtained by PLL SDRAM clk 100m sdram controller clk 100m, the former phase shift relative to the latter 2ns Platform: |
Size: 14336 |
Author:周西东 |
Hits:
Description: 使用于FPGA上的通用sdram controller模块，用于在FPGA上实现sdram接口-Used in general sdram controller on FPGA module for the interface in the FPGA to achieve sdram Platform: |
Size: 2459648 |
Author:黄宸懿 |
Hits:
Search - SDRAM interface controller