JPS6225214B2 - - Google Patents

Info

Publication number
JPS6225214B2
JPS6225214B2 JP56141013A JP14101381A JPS6225214B2 JP S6225214 B2 JPS6225214 B2 JP S6225214B2 JP 56141013 A JP56141013 A JP 56141013A JP 14101381 A JP14101381 A JP 14101381A JP S6225214 B2 JPS6225214 B2 JP S6225214B2
Authority
JP
Japan
Prior art keywords
memory
circuit
area
protect
setting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP56141013A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5845699A (ja
Inventor
Akira Takayama
Hideyuki Koike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP56141013A priority Critical patent/JPS5845699A/ja
Publication of JPS5845699A publication Critical patent/JPS5845699A/ja
Publication of JPS6225214B2 publication Critical patent/JPS6225214B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)
JP56141013A 1981-09-09 1981-09-09 メモリプロテクト回路 Granted JPS5845699A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56141013A JPS5845699A (ja) 1981-09-09 1981-09-09 メモリプロテクト回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56141013A JPS5845699A (ja) 1981-09-09 1981-09-09 メモリプロテクト回路

Publications (2)

Publication Number Publication Date
JPS5845699A JPS5845699A (ja) 1983-03-16
JPS6225214B2 true JPS6225214B2 (enrdf_load_stackoverflow) 1987-06-02

Family

ID=15282159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56141013A Granted JPS5845699A (ja) 1981-09-09 1981-09-09 メモリプロテクト回路

Country Status (1)

Country Link
JP (1) JPS5845699A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60231245A (ja) * 1984-05-02 1985-11-16 Omron Tateisi Electronics Co メモリ装置
US5341422A (en) * 1992-09-17 1994-08-23 International Business Machines Corp. Trusted personal computer system with identification
EP0711804A3 (de) 1994-11-14 1999-09-22 Ciba SC Holding AG Kryptolichtschutzmittel

Also Published As

Publication number Publication date
JPS5845699A (ja) 1983-03-16

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