JPH0431414B2 - - Google Patents
Info
- Publication number
- JPH0431414B2 JPH0431414B2 JP63304113A JP30411388A JPH0431414B2 JP H0431414 B2 JPH0431414 B2 JP H0431414B2 JP 63304113 A JP63304113 A JP 63304113A JP 30411388 A JP30411388 A JP 30411388A JP H0431414 B2 JPH0431414 B2 JP H0431414B2
- Authority
- JP
- Japan
- Prior art keywords
- rom
- signal
- key code
- flag
- chip microcomputer
- 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
Links
Landscapes
- Microcomputers (AREA)
- Storage Device Security (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
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 JPH021019A (ja) | 1990-01-05 |
JPH0431414B2 true 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) |
Families Citing this family (1)
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 |
Family Cites Families (4)
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 |
JPS594799B2 (ja) * | 1979-03-26 | 1984-01-31 | 三菱電機株式会社 | メモリ装置 |
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 |
-
1988
- 1988-12-02 JP JP63304113A patent/JPH021019A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH021019A (ja) | 1990-01-05 |
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