JPH021019A - １チップマイクロコンピュータ - Google Patents

１チップマイクロコンピュータ

Info

Publication number
JPH021019A
JPH021019A JP63304113A JP30411388A JPH021019A JP H021019 A JPH021019 A JP H021019A JP 63304113 A JP63304113 A JP 63304113A JP 30411388 A JP30411388 A JP 30411388A JP H021019 A JPH021019 A JP H021019A
Authority
JP
Japan
Prior art keywords
rom
key code
flag
symbol
key
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
JP63304113A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431414B2 (enrdf_load_stackoverflow
Inventor
Hajime Yasuda
元 安田
Takuo Tachiki
立木　卓夫
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 JP63304113A priority Critical patent/JPH021019A/ja
Publication of JPH021019A publication Critical patent/JPH021019A/ja
Publication of JPH0431414B2 publication Critical patent/JPH0431414B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Microcomputers (AREA)
  • Storage Device Security (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
JP63304113A 1988-12-02 1988-12-02 １チップマイクロコンピュータ Granted JPH021019A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63304113A JPH021019A (ja) 1988-12-02 1988-12-02 １チップマイクロコンピュータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63304113A JPH021019A (ja) 1988-12-02 1988-12-02 １チップマイクロコンピュータ

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP57081456A Division JPS58200345A (ja) 1982-05-17 1982-05-17 １チツプマイクロコンピユ−タ

Publications (2)

Publication Number Publication Date
JPH021019A true JPH021019A (ja) 1990-01-05
JPH0431414B2 JPH0431414B2 (enrdf_load_stackoverflow) 1992-05-26

Family

ID=17929186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63304113A Granted JPH021019A (ja) 1988-12-02 1988-12-02 １チップマイクロコンピュータ

Country Status (1)

Country Link
JP (1) JPH021019A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484348A (ja) * 1990-07-27 1992-03-17 Nec Corp Ｒｏｍデータ保護方式

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158532A (en) * 1978-06-02 1979-12-14 Nippon Denso Co Ltd Burglarproof method and device for car
JPS55130000A (en) * 1979-03-26 1980-10-08 Mitsubishi Electric Corp Memory unit
JPS56100742U (enrdf_load_stackoverflow) * 1979-12-28 1981-08-08
JPS57161946A (en) * 1981-03-30 1982-10-05 Fujitsu Ltd Microcomputer with protecting mechanism for memory contents

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158532A (en) * 1978-06-02 1979-12-14 Nippon Denso Co Ltd Burglarproof method and device for car
JPS55130000A (en) * 1979-03-26 1980-10-08 Mitsubishi Electric Corp Memory unit
JPS56100742U (enrdf_load_stackoverflow) * 1979-12-28 1981-08-08
JPS57161946A (en) * 1981-03-30 1982-10-05 Fujitsu Ltd Microcomputer with protecting mechanism for memory contents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484348A (ja) * 1990-07-27 1992-03-17 Nec Corp Ｒｏｍデータ保護方式

Also Published As

Publication number Publication date
JPH0431414B2 (enrdf_load_stackoverflow) 1992-05-26

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