JPS54101237A - Malfunction prevention system for electronic circuit - Google Patents
Malfunction prevention system for electronic circuitInfo
- Publication number
- JPS54101237A JPS54101237A JP791378A JP791378A JPS54101237A JP S54101237 A JPS54101237 A JP S54101237A JP 791378 A JP791378 A JP 791378A JP 791378 A JP791378 A JP 791378A JP S54101237 A JPS54101237 A JP S54101237A
- Authority
- JP
- Japan
- Prior art keywords
- program counter
- program
- given
- electronic circuit
- prevention system
- 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.)
- Pending
Links
Landscapes
- Debugging And Monitoring (AREA)
Abstract
PURPOSE: To prevent the malfunction, by restoring the program counter to the initial state when the time required for the operation designated with the program counter is more than a given value.
CONSTITUTION: The program counter 12 advances with the clock signal by step, it is given to the decoder 15 with the introduction of program memorized in ROM 14 sequentially, allowing to give the program to the control section 16. If the microcomputer 1 is in malfunction due to noise externally when it is performing a given operation and the program counter 12 performs circulation, the timer circuit 13 is not reset. When it reaches the specified value, it resets the program counter 12 and advances the operation again from the head address of ROM.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP791378A JPS54101237A (en) | 1978-01-26 | 1978-01-26 | Malfunction prevention system for electronic circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP791378A JPS54101237A (en) | 1978-01-26 | 1978-01-26 | Malfunction prevention system for electronic circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54101237A true JPS54101237A (en) | 1979-08-09 |
Family
ID=11678774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP791378A Pending JPS54101237A (en) | 1978-01-26 | 1978-01-26 | Malfunction prevention system for electronic circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54101237A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5688546A (en) * | 1979-11-15 | 1981-07-18 | Wabco Fahrzeugbremsen Gmbh | Function monitor for programmable electronic switching circuit |
JPS56127256A (en) * | 1980-03-13 | 1981-10-05 | Fujitsu Ten Ltd | Fault monitering method of microcomputer |
JPS57103558A (en) * | 1980-11-28 | 1982-06-28 | Fujitsu Ltd | Runaway detecting circuit of processor |
JPS5894035U (en) * | 1981-12-15 | 1983-06-25 | 松下電工株式会社 | CPU operation monitoring system |
JPS5962227A (en) * | 1982-09-30 | 1984-04-09 | Toshiba Corp | Radiotelephony device |
JPS60147852A (en) * | 1984-01-11 | 1985-08-03 | Sharp Corp | Lsi device |
-
1978
- 1978-01-26 JP JP791378A patent/JPS54101237A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5688546A (en) * | 1979-11-15 | 1981-07-18 | Wabco Fahrzeugbremsen Gmbh | Function monitor for programmable electronic switching circuit |
JPS56127256A (en) * | 1980-03-13 | 1981-10-05 | Fujitsu Ten Ltd | Fault monitering method of microcomputer |
JPS57103558A (en) * | 1980-11-28 | 1982-06-28 | Fujitsu Ltd | Runaway detecting circuit of processor |
JPS5894035U (en) * | 1981-12-15 | 1983-06-25 | 松下電工株式会社 | CPU operation monitoring system |
JPS5962227A (en) * | 1982-09-30 | 1984-04-09 | Toshiba Corp | Radiotelephony device |
JPH056378B2 (en) * | 1982-09-30 | 1993-01-26 | Tokyo Shibaura Electric Co | |
JPS60147852A (en) * | 1984-01-11 | 1985-08-03 | Sharp Corp | Lsi device |
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