| 基于缓存机制的NAND FLASH XIP存储系统 |
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| 引用本文： | 郝记生,张曦煌.基于缓存机制的NAND FLASH XIP存储系统[J].计算机工程与设计,2007,28(13):3175-3177,F0003. |
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| 作者姓名： | 郝记生 张曦煌 |
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| 作者单位： | 江南大学,信息工程学院,江苏,无锡,214122 |
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| 摘 要： | NAND闪存存储器已经成为嵌入式系统中非常重要的组成部分,在各种嵌入式产品中有广泛的应用前景,但NAND闪存存储器目前主要用来数据存储,并不能像NOR FLASH一样以XIP(execute-in-place,芯片内执行)方式执行代码.针对目前3G应用通讯的特点,通过引入缓存机制实现了具有XIP功能的NAND FLASH存储系统,这样大降低了系统的成本,最后根据实验得出结果与其它的存储架构作了比较.
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| 关 键 词： | 闪存存储器 芯片内执行 缓存 存储架构 嵌入式系统 缓存机制 FLASH NAND 存储系统 mechanism cache based system 比较 存储架构 结果 实验 成本 功能 通讯 代码 芯片 数据存储 前景 应用 |
| 文章编号： | 1000-7024（2007）13-3175-03 |
| 修稿时间： | 2006-07-22 |
NAND FLASH XIP memory system based on cache mechanism |
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| HAO Ji-sheng,ZHANG Xi-huang.NAND FLASH XIP memory system based on cache mechanism[J].Computer Engineering and Design,2007,28(13):3175-3177,F0003. |
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| Authors: | HAO Ji-sheng ZHANG Xi-huang |
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| Affiliation: | College of Information Engineering, Southem Yangtze University, Wuxi 214122, China |
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| Abstract: | NAND FLASH memory has become an indispensable component in embedded system and has a far-ranging application in various embedded products.But currently it is mainly used for data storage and can not support code memory for XIP(execute-in-place) functionality as NOR FLASH.For the features of the 3G mobile system,a new memory architecture is presented,NAND FLASH memory is incorporated into an existing memory hierarchy and cache mechanism is used to implement XIP.So the cost of the memory system can be reduced.Finally,overall performance comparison of different memory architectures is presented. |
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| Keywords: | flash memory XIP cache memory architecture embedded system |
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