KR100377301B1 - 비휘발성 메모리에 데이터를 저장하는 방법 - Google Patents
비휘발성 메모리에 데이터를 저장하는 방법 Download PDFInfo
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- KR100377301B1 KR100377301B1 KR10-2000-0009012A KR20000009012A KR100377301B1 KR 100377301 B1 KR100377301 B1 KR 100377301B1 KR 20000009012 A KR20000009012 A KR 20000009012A KR 100377301 B1 KR100377301 B1 KR 100377301B1
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
- G11C16/105—Circuits or methods for updating contents of nonvolatile memory, especially with 'security' features to ensure reliable replacement, i.e. preventing that old data is lost before new data is reliably written
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1433—Saving, restoring, recovering or retrying at system level during software upgrading
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Memory System (AREA)
Abstract
Description
Claims (4)
- 소거가능하지만 중복기록할 수 없는 비휘발성 메모리에 데이터를 저장하기 위한 방법에 있어서,(가) 상기 데이터를 위한 휘발성 메모리의 위치를 정의하는 단계와,(나) 상기 데이터가 변경될 때, 상기 휘발성 메모리에 상기 데이터를 중복기록하고, 상기 비휘발성 메모리의 제 1 부분에 새 버전의 데이터를 기록하는 단계와,(다) 상기 비휘발성 메모리의 상기 제 1 부분이 사전 결정된 임계치에 도달한 상태인지 여부를 판정하는 단계와,(라) 상기 비휘발성 메모리의 상기 제 1 부분이 사전 결정된 임계치에 도달한 상태라고 판정하면, 상기 휘발성 메모리로부터 상기 비휘발성 메모리의 제 2 부분으로 상기 데이타를 복사하는 단계를 포함하는 비휘발성 메모리에 데이터를 저장하는 방법.
- 제 1 항에 있어서,단계(가) 이후에,(가 1) 상기 데이터를 위하여 휘발성 메모리에서 정해진 위치에 디폴트값을 기록하는 단계와,(가 2) 상기 비휘발성 메모리로부터 상기 데이터를 판독하는 단계와,(가 3) 상기 비휘발성 메모리로부터 판독된 데이터로 상기 휘발성 메모리에 상기 디폴트 값을 중복기록하는 단계를 더 포함하는 비휘발성 메모리에 데이터를 저장하는 방법.
- 제 1 항에 있어서,단계(가) 이후에,(가 1) 상기 비휘발성 메모리의 두 부분이 데이터를 포함할 수 있는 지의 여부를 판정하는 단계와,(가 2) 단계(가 1)에서 식별된 상기 두 부분들중에 하나가 먼저 기록되었음을 판정하고, 상기 먼저 기록된 부분을 상기 단계(나)에서 사용하기 위한 제 1 부분으로서 지명하는 단계를 더 포함하는 비휘발성 메모리에 데이터를 저장하는 방법.
- 제 1 항에 있어서,단계(나)는,상기 비휘발성 메모리의 상기 제 1 부분에 상기 데이터를 기록한 다음, 상기 비휘랍성 메모리의 상기 제 1 부분에서, 상기 데이터에 대응하는 식별(identification)을 기록하는 단계를 더 포함하는 비휘발성 메모리에 데이터를 저장하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/258,582 | 1999-02-26 | ||
US9/258,582 | 1999-02-26 | ||
US09/258,582 US6104638A (en) | 1999-02-26 | 1999-02-26 | Use of erasable non-volatile memory for storage of changing information |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000062616A KR20000062616A (ko) | 2000-10-25 |
KR100377301B1 true KR100377301B1 (ko) | 2003-03-26 |
Family
ID=22981204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0009012A KR100377301B1 (ko) | 1999-02-26 | 2000-02-24 | 비휘발성 메모리에 데이터를 저장하는 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6104638A (ko) |
EP (1) | EP1031929A3 (ko) |
JP (1) | JP2000250820A (ko) |
KR (1) | KR100377301B1 (ko) |
TW (1) | TW446950B (ko) |
Cited By (1)
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KR100520172B1 (ko) * | 2002-06-03 | 2005-10-10 | 삼성전자주식회사 | 개인 정보 단말기에서 데이터 보존 장치 및 방법 |
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JP2001331327A (ja) * | 2000-05-24 | 2001-11-30 | Matsushita Electric Ind Co Ltd | 電子機器 |
JP2001356925A (ja) * | 2000-06-12 | 2001-12-26 | Nec Corp | 携帯電話機 |
US6658438B1 (en) * | 2000-08-14 | 2003-12-02 | Matrix Semiconductor, Inc. | Method for deleting stored digital data from write-once memory device |
US20020048203A1 (en) * | 2000-10-19 | 2002-04-25 | Findling Patrick M. | Extending total write cycles of non-volatile memory for rolling codes |
JP3709338B2 (ja) | 2000-11-22 | 2005-10-26 | 日本電気株式会社 | 携帯電話のユーザー設定情報管理方法とユーザー設定情報管理システム |
KR100365725B1 (ko) * | 2000-12-27 | 2002-12-26 | 한국전자통신연구원 | 플래시 메모리를 이용한 파일 시스템에서 등급별 지움정책 및 오류 복구 방법 |
EP1286267B1 (en) * | 2001-08-17 | 2017-08-16 | Sony Deutschland GmbH | Mobile communication device and memory management method |
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-
1999
- 1999-02-26 US US09/258,582 patent/US6104638A/en not_active Expired - Lifetime
- 1999-10-28 TW TW088118696A patent/TW446950B/zh not_active IP Right Cessation
-
2000
- 2000-02-18 JP JP2000041485A patent/JP2000250820A/ja active Pending
- 2000-02-24 KR KR10-2000-0009012A patent/KR100377301B1/ko active IP Right Grant
- 2000-02-25 EP EP00301520A patent/EP1031929A3/en not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100520172B1 (ko) * | 2002-06-03 | 2005-10-10 | 삼성전자주식회사 | 개인 정보 단말기에서 데이터 보존 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
TW446950B (en) | 2001-07-21 |
US6104638A (en) | 2000-08-15 |
JP2000250820A (ja) | 2000-09-14 |
KR20000062616A (ko) | 2000-10-25 |
EP1031929A3 (en) | 2002-10-02 |
EP1031929A2 (en) | 2000-08-30 |
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