JPS6034643U - 誤アクセス禁止回路 - Google Patents

誤アクセス禁止回路

Info

Publication number
JPS6034643U
JPS6034643U JP12342283U JP12342283U JPS6034643U JP S6034643 U JPS6034643 U JP S6034643U JP 12342283 U JP12342283 U JP 12342283U JP 12342283 U JP12342283 U JP 12342283U JP S6034643 U JPS6034643 U JP S6034643U
Authority
JP
Japan
Prior art keywords
mode register
circuit
erroneous access
access prohibition
prohibition circuit
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.)
Granted
Application number
JP12342283U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6331143Y2 (enrdf_load_stackoverflow
Inventor
実 松田
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP12342283U priority Critical patent/JPS6034643U/ja
Publication of JPS6034643U publication Critical patent/JPS6034643U/ja
Application granted granted Critical
Publication of JPS6331143Y2 publication Critical patent/JPS6331143Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)
  • Microcomputers (AREA)
JP12342283U 1983-08-09 1983-08-09 誤アクセス禁止回路 Granted JPS6034643U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12342283U JPS6034643U (ja) 1983-08-09 1983-08-09 誤アクセス禁止回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12342283U JPS6034643U (ja) 1983-08-09 1983-08-09 誤アクセス禁止回路

Publications (2)

Publication Number Publication Date
JPS6034643U true JPS6034643U (ja) 1985-03-09
JPS6331143Y2 JPS6331143Y2 (enrdf_load_stackoverflow) 1988-08-19

Family

ID=30281738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12342283U Granted JPS6034643U (ja) 1983-08-09 1983-08-09 誤アクセス禁止回路

Country Status (1)

Country Link
JP (1) JPS6034643U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991130A (enrdf_load_stackoverflow) * 1972-12-29 1974-08-30
JPS5416333U (enrdf_load_stackoverflow) * 1977-07-06 1979-02-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991130A (enrdf_load_stackoverflow) * 1972-12-29 1974-08-30
JPS5416333U (enrdf_load_stackoverflow) * 1977-07-06 1979-02-02

Also Published As

Publication number Publication date
JPS6331143Y2 (enrdf_load_stackoverflow) 1988-08-19

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