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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 hi
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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 Gen
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DDR2控制器设计原码,可以在FPGA上测试通过,并对外部的ddr memory进行读写访问.-DDR2 controller design of the original code, can be tested through the FPGA, and external ddr memory read and write access.
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sdram_controller_latest.tar.gz -it is memory DDR controller, but it has 8 bit only data bus wide ,and hasn’t independents clock for source read-write data and ddr + controller size. Wrote on the VHDL language.-sdram_controller_latest.tar.gz -it is me
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The Spartan-3E Starter Kit board highlights the unique features of the Spartan-3E FPGA family and provides a convenient development board for embedded processing applications. The board highlights these features:
• Spartan-3E FPGA specific fe
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ddr sdram 控制器的接口，为工业标准化存储设备提供简单的接口-The DDR SDRAM Controller provides the user with a simplified
interface to industry standard memory devices.
Using this controller makes accesses to DDR SDRAM devices
as simple as possible.
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Design and implementation of High Speed Pipelined DDR SDRAM memory Controller
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M1671 - P4 Super North Bridge –
CPU, AGP, PCI and
Memory Controller
The M1671 is a high-performance, high-value North Bridge that supports all Pentium 4 processors. With internal 128-bit
architecture optimized for CPU bus, DDR and AGP4X
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2. /qdr2/source/qdr2_io.v > Top level file includes declarations of
HSTL1 and LVTTL I/O standards
/qdr2/source/qdr2.v > Main module of the QDR memory controller
/qdr2/source/pipeline.v > Pipeline module for increasing performance
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