JPS6486252A - Resetting circuit - Google Patents
Resetting circuitInfo
- Publication number
- JPS6486252A JPS6486252A JP62242638A JP24263887A JPS6486252A JP S6486252 A JPS6486252 A JP S6486252A JP 62242638 A JP62242638 A JP 62242638A JP 24263887 A JP24263887 A JP 24263887A JP S6486252 A JPS6486252 A JP S6486252A
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- capacitor
- voltage
- forward direction
- resetting
- 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 a microcomputer from continuing to be reset by discharging the charge of the capacitor for resetting through a diode inserted in a forward direction. CONSTITUTION:When an output terminal OUT of a counter 3 becomes a low level after a microcomputer 1 is reset by the ON of a transistor 4, the transistor 4 is turned off, and therefore, the charging to the capacitor 2 is executed through the pull-up resistance of a microcomputer. At such a time, the charging starting terminal voltage of the capacitor 2 becomes the forward direction voltage (about 0.4V) of a diode 10, the rise of the terminal voltage of the capacitor 2 is made quicker only for the forward direction voltage, the voltage rises up to about 2V within 250mn, the resetting of the microcomputer 1 is released and the execution of the program is started again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62242638A JPS6486252A (en) | 1987-09-29 | 1987-09-29 | Resetting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62242638A JPS6486252A (en) | 1987-09-29 | 1987-09-29 | Resetting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6486252A true JPS6486252A (en) | 1989-03-30 |
Family
ID=17092027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62242638A Pending JPS6486252A (en) | 1987-09-29 | 1987-09-29 | Resetting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6486252A (en) |
-
1987
- 1987-09-29 JP JP62242638A patent/JPS6486252A/en active Pending
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