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基于Nandflash阵列的高速存储技术
张峰
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摘要:

介绍了传统高速存储的实现方式，分析了用Nandflash实现海量存储的优点，实现了基于Nandflash阵列的实时高速存储模块。存储模块采用光纤FC作为数据输入端，在FPGA控制下实时存储到Nandflash阵列中，并将存储的数据通过CPCIE总线下传给其他模块作实时或事后分析、判读、处理、回放。实验结果表明，基于Nandflash的存储阵列，存储速度可达到900 MB/s以上，满足高分辨率高帧频CCD相机及SAR成像存储需求。

关键词: 合成孔径雷达 CCD相机高速存储 Nandflash阵列 CPCIE总线

DOI：

基金项目:

High-speed large-capacity recording based on Nandflash arrays

ZHANG Feng

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Abstract:

The implementation of traditional recording system is introduced, also an analys is is made of the Nandflashbased recording arrays implemented by FPGA, which indicates the advantage of the IP core method. The Nandflashbased recording sy stem takes Fibre Channel(FC) as data input interface, CPCIE as data output inter face.Test shows the write speed of the recording system is over 900 MB/s and satis fies the recording requirement for CCD and SAR cameras with highresolution and highframefrequency.

Key words: SAR CCD camera high speed record Nandflash array CPCIE bus