JPS6097449A - 読み出し専用メモリを有する情報処理装置 - Google Patents

読み出し専用メモリを有する情報処理装置

Info

Publication number
JPS6097449A
JPS6097449A JP58203986A JP20398683A JPS6097449A JP S6097449 A JPS6097449 A JP S6097449A JP 58203986 A JP58203986 A JP 58203986A JP 20398683 A JP20398683 A JP 20398683A JP S6097449 A JPS6097449 A JP S6097449A
Authority
JP
Japan
Prior art keywords
information
address
comparison
signal
decision
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
JP58203986A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0156480B2 (cg-RX-API-DMAC7.html
Inventor
Koichi Kariya
幸一 假屋
Mineo Akashi
明石　峰雄
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
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP58203986A priority Critical patent/JPS6097449A/ja
Publication of JPS6097449A publication Critical patent/JPS6097449A/ja
Publication of JPH0156480B2 publication Critical patent/JPH0156480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting 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
    • G06F21/79—Protecting 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)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Storage Device Security (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
JP58203986A 1983-10-31 1983-10-31 読み出し専用メモリを有する情報処理装置 Granted JPS6097449A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58203986A JPS6097449A (ja) 1983-10-31 1983-10-31 読み出し専用メモリを有する情報処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58203986A JPS6097449A (ja) 1983-10-31 1983-10-31 読み出し専用メモリを有する情報処理装置

Publications (2)

Publication Number Publication Date
JPS6097449A true JPS6097449A (ja) 1985-05-31
JPH0156480B2 JPH0156480B2 (cg-RX-API-DMAC7.html) 1989-11-30

Family

ID=16482890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58203986A Granted JPS6097449A (ja) 1983-10-31 1983-10-31 読み出し専用メモリを有する情報処理装置

Country Status (1)

Country Link
JP (1) JPS6097449A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118933A (ja) * 1987-10-31 1989-05-11 Nec Corp シングルチップマイクロコンピュータ
JPH04168700A (ja) * 1990-10-31 1992-06-16 Sharp Corp 集積回路装置
JPH04219823A (ja) * 1990-03-09 1992-08-10 Gold Star Electron Co Ltd Ｒｏｍデータの保護方法及び装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118933A (ja) * 1987-10-31 1989-05-11 Nec Corp シングルチップマイクロコンピュータ
JPH04219823A (ja) * 1990-03-09 1992-08-10 Gold Star Electron Co Ltd Ｒｏｍデータの保護方法及び装置
JPH04168700A (ja) * 1990-10-31 1992-06-16 Sharp Corp 集積回路装置

Also Published As

Publication number Publication date
JPH0156480B2 (cg-RX-API-DMAC7.html) 1989-11-30

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