MEMORY SYSTEM BASED ON FLASH MEMORY AND METHOD FOR MANAGING META DATA THEREOF

MEMORY SYSTEM BASED ON FLASH MEMORY AND METHOD FOR MANAGING META DATA THEREOF

A memory system which includes a flash memory including a meta block and a data block, and a memory controller including a meta data managing module managing meta data to be stored in the meta block. The meta block includes a plurality of pages. The meta data managing module compares a number of fre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MUN, KUI-YON, NOH, SUNGHYUN, CHOI, HYUN JIN, JUNG, MYUNG-JIN, JO, INSOON
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A memory system which includes a flash memory including a meta block and a data block, and a memory controller including a meta data managing module managing meta data to be stored in the meta block. The meta block includes a plurality of pages. The meta data managing module compares a number of free pages of the plurality of pages with a preset number of free pages, and selects a write target page of the meta data by using one of a consecution meta write operation or a dirty meta write operation, depending on a result of the comparison.