JPH0554139B2 - - Google Patents

Info

Publication number
JPH0554139B2
JPH0554139B2 JP58105823A JP10582383A JPH0554139B2 JP H0554139 B2 JPH0554139 B2 JP H0554139B2 JP 58105823 A JP58105823 A JP 58105823A JP 10582383 A JP10582383 A JP 10582383A JP H0554139 B2 JPH0554139 B2 JP H0554139B2
Authority
JP
Japan
Prior art keywords
program
determination
information
storage means
chip
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 - Lifetime
Application number
JP58105823A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59231654A (ja
Inventor
Kazumi Tsushima
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
Original Assignee
Hitachi Ltd
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 filed Critical Hitachi Ltd
Priority to JP58105823A priority Critical patent/JPS59231654A/ja
Publication of JPS59231654A publication Critical patent/JPS59231654A/ja
Publication of JPH0554139B2 publication Critical patent/JPH0554139B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
JP58105823A 1983-06-15 1983-06-15 半導体集積回路装置とその検査方法 Granted JPS59231654A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58105823A JPS59231654A (ja) 1983-06-15 1983-06-15 半導体集積回路装置とその検査方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58105823A JPS59231654A (ja) 1983-06-15 1983-06-15 半導体集積回路装置とその検査方法

Publications (2)

Publication Number Publication Date
JPS59231654A JPS59231654A (ja) 1984-12-26
JPH0554139B2 true JPH0554139B2 (enrdf_load_stackoverflow) 1993-08-11

Family

ID=14417779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58105823A Granted JPS59231654A (ja) 1983-06-15 1983-06-15 半導体集積回路装置とその検査方法

Country Status (1)

Country Link
JP (1) JPS59231654A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276756A (ja) * 1985-09-30 1987-04-08 Toshiba Corp 自己検査回路を備えた半導体装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010665B2 (ja) * 1979-07-20 1985-03-19 沖電気工業株式会社 マイクロコンピユ−タ
JPS5851369A (ja) * 1981-09-24 1983-03-26 Nec Corp テスト回路つきマイクロコンピユ−タ

Also Published As

Publication number Publication date
JPS59231654A (ja) 1984-12-26

Similar Documents

Publication Publication Date Title
US7266848B2 (en) Integrated circuit security and method therefor
JP2597153B2 (ja) 書込み保護装置
KR940009101B1 (ko) 반도체 집적 회로 장치
JP4728237B2 (ja) デバッグ回路のセキュリティを確保する方法及び装置
US5717851A (en) Breakpoint detection circuit in a data processor and method therefor
US5704039A (en) Mask programmable security system for a data processor and method therefor
US20080148343A1 (en) Debugging security mechanism for soc asic
JP2000122931A (ja) デジタル集積回路
JPH02133834A (ja) インサートキットエミュレータ
JPH03204737A (ja) 信号処理プロセッサのデバッグ回路
US5671394A (en) Microcomputer having ROM data protection function
JPH04215194A (ja) Icカード
JP2004185536A (ja) マイクロコンピュータとその試験方法
JPH0554139B2 (enrdf_load_stackoverflow)
JPH0231256A (ja) 外部メモリとそれを用いる情報処理装置
JP2002341956A (ja) 情報処理半導体装置、デバッグ許可鍵装置および情報処理半導体システム
JPS6362776B2 (enrdf_load_stackoverflow)
JP3593701B2 (ja) 制御装置
JPH0223443A (ja) マイクロコンピュータ
JPS6177939A (ja) 情報処理システム
JPH0716189Y2 (ja) ブレーク回路
JPS62293348A (ja) マイクロコンピユ−タ
JPH0619752A (ja) マイクロコンピュータ
JPH0431414B2 (enrdf_load_stackoverflow)
JPH0646387B2 (ja) マイクロコンピユ−タ