Design and Implementation of Bad Block Management for NAND FLASH
Xie Kai-nian
Abstract
Xie Kai-nian
Abstract
The capacity of memory equipment in embedded system is one of the most important in the whole capacity,NAND FLASH has advantages of high speed and low cost.NAND FLASH is widely used in embedded system,How to manage for bad block effectively is very important.The paper introduces the file system of NAND FLASH,and describes the Management for void,callback for bad block,wear leveling.A design and an implementation for FFS is described.
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The capacity of memory equipment in embedded system is one of the most important in the whole capacity,NAND FLASH has advantages of high speed and low cost.NAND FLASH is widely used in embedded system,How to manage for bad block effectively is very important.The paper introduces the file system of NAND FLASH,and describes the Management for void,callback for bad block,wear leveling.A design and an implementation for FFS is described.
Key concepts: NAND gate, Callback, Computer science, Block (permutation group theory), Flash file system, Embedded system, Flash (photography), Flash memory emulator