JPS5556202A - Controller with incorporated microcomputer - Google Patents
Controller with incorporated microcomputerInfo
- Publication number
- JPS5556202A JPS5556202A JP12844878A JP12844878A JPS5556202A JP S5556202 A JPS5556202 A JP S5556202A JP 12844878 A JP12844878 A JP 12844878A JP 12844878 A JP12844878 A JP 12844878A JP S5556202 A JPS5556202 A JP S5556202A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- controller
- mpu3
- constitution
- check
- 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
- Control By Computers (AREA)
Abstract
PURPOSE: To make a controller check itself by allowing the controller in process of a control program to proceed to a check program on receiving an external interruption.
CONSTITUTION: Microprocessing unit MPU3 processes a detection signal from sensor 6 by using a control program in ROM1 and data in RAM2. Its result controls actuator 7 through interface circuit 4 and peripheral circuit 5. To MPU3, interruption signal terminal 10 is provided which is not used in normal control operation, and this terminal 10 is being applied with positive voltage Vcc by way of resistance 9. In this constitution, terminal 10 is further applied with the earth potential through contact 11. When the earth potential is applied to terminal 10 by closinng switch 11, MPU3 reads a check program in ROM and makes fixed checks.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12844878A JPS5556202A (en) | 1978-10-20 | 1978-10-20 | Controller with incorporated microcomputer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12844878A JPS5556202A (en) | 1978-10-20 | 1978-10-20 | Controller with incorporated microcomputer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5556202A true JPS5556202A (en) | 1980-04-24 |
Family
ID=14984960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12844878A Pending JPS5556202A (en) | 1978-10-20 | 1978-10-20 | Controller with incorporated microcomputer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5556202A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50108483A (en) * | 1974-02-05 | 1975-08-26 | ||
JPS5287943A (en) * | 1976-01-19 | 1977-07-22 | Mitsubishi Electric Corp | Operation monitor system for micor processor |
JPS5318358A (en) * | 1976-08-04 | 1978-02-20 | Casio Comput Co Ltd | Auto check system |
-
1978
- 1978-10-20 JP JP12844878A patent/JPS5556202A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50108483A (en) * | 1974-02-05 | 1975-08-26 | ||
JPS5287943A (en) * | 1976-01-19 | 1977-07-22 | Mitsubishi Electric Corp | Operation monitor system for micor processor |
JPS5318358A (en) * | 1976-08-04 | 1978-02-20 | Casio Comput Co Ltd | Auto check system |
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