JPS57106921A - Power source on and off processing system - Google Patents
Power source on and off processing systemInfo
- Publication number
- JPS57106921A JPS57106921A JP55183072A JP18307280A JPS57106921A JP S57106921 A JPS57106921 A JP S57106921A JP 55183072 A JP55183072 A JP 55183072A JP 18307280 A JP18307280 A JP 18307280A JP S57106921 A JPS57106921 A JP S57106921A
- Authority
- JP
- Japan
- Prior art keywords
- power source
- signal
- flag
- operations
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
Abstract
PURPOSE:To perform the best postprocessing in accordance with the cause of the on-off operation of a power source by providing a processing program which corresponds to the cause and selecting the processing program by a flag set when the processing program is provided. CONSTITUTION:When a power source is put to work with a key, a key-on signal is generated and inputted to an FF12, a DC power source rises, and a DC power signal generating circuit 12 generates a power ready signal. Further, once respective parts are initialized by an initialization circuit 11, its end signal is inputted to an FF12 while the key-on signal is generated, thereby setting a deciding flag. After the deciding flag is set through hardware as mentioned above, respective stopping, IPL and restarting operations, etc., are processed by microprograms and the processing operations by the programs end, resetting the deciding flag of the FF12. When the power source is turned on, the stopping IPL and restarting operations are performed selectively in accordance with whether the deciding flag is set or not. The operations when the power source is turned off are omitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55183072A JPS57106921A (en) | 1980-12-24 | 1980-12-24 | Power source on and off processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55183072A JPS57106921A (en) | 1980-12-24 | 1980-12-24 | Power source on and off processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57106921A true JPS57106921A (en) | 1982-07-03 |
Family
ID=16129254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55183072A Pending JPS57106921A (en) | 1980-12-24 | 1980-12-24 | Power source on and off processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57106921A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61187003A (en) * | 1985-02-14 | 1986-08-20 | Meidensha Electric Mfg Co Ltd | Hot/cold start automatic switching method of programmable controller |
JPS62117646U (en) * | 1986-01-16 | 1987-07-25 | ||
JPH01119117A (en) * | 1987-10-31 | 1989-05-11 | Canon Inc | Reset signal generation circuit |
JPH01119116A (en) * | 1987-10-31 | 1989-05-11 | Canon Inc | Reset signal generating circuit |
JPH0271347A (en) * | 1988-09-07 | 1990-03-09 | Fujitsu Ltd | Battery back-up control system for extended storage device |
JPH0417009A (en) * | 1990-05-11 | 1992-01-21 | Oki Electric Ind Co Ltd | Method for controlling connection and disconnection of power supply to information processor |
-
1980
- 1980-12-24 JP JP55183072A patent/JPS57106921A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61187003A (en) * | 1985-02-14 | 1986-08-20 | Meidensha Electric Mfg Co Ltd | Hot/cold start automatic switching method of programmable controller |
JPS62117646U (en) * | 1986-01-16 | 1987-07-25 | ||
JPH01119117A (en) * | 1987-10-31 | 1989-05-11 | Canon Inc | Reset signal generation circuit |
JPH01119116A (en) * | 1987-10-31 | 1989-05-11 | Canon Inc | Reset signal generating circuit |
JPH0271347A (en) * | 1988-09-07 | 1990-03-09 | Fujitsu Ltd | Battery back-up control system for extended storage device |
JPH0417009A (en) * | 1990-05-11 | 1992-01-21 | Oki Electric Ind Co Ltd | Method for controlling connection and disconnection of power supply to information processor |
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