JPS61196325U - - Google Patents
Info
- Publication number
- JPS61196325U JPS61196325U JP7960585U JP7960585U JPS61196325U JP S61196325 U JPS61196325 U JP S61196325U JP 7960585 U JP7960585 U JP 7960585U JP 7960585 U JP7960585 U JP 7960585U JP S61196325 U JPS61196325 U JP S61196325U
- Authority
- JP
- Japan
- Prior art keywords
- power outage
- signal terminal
- power supply
- terminal
- signal
- 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
- 238000001514 detection method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第１図および第３図はそれぞれ異なる本考案に
よるマイコンの停電処理回路の結線図を示し、第
２図は第１図のマイコンのフローチヤート、第４
図ないし第６図は従来のマイコンの停電処理回路
の一例を示し、第４図は結線図、第５図は第４図
のタイムチヤート、第６図は第４図のマイコンの
フローチヤートである。
１……マイコン、２……主電源、４……安定化
電源、５……記憶用電源、６……マイコンの停電
信号端子、７……マイコンの停止信号端子、８…
…比較回路、１５……処理完了信号端子、１６…
…ＡＮＤ回路。
1 and 3 respectively show connection diagrams of power failure processing circuits of microcontrollers according to the present invention, and FIG. 2 shows a flowchart of the microcontroller shown in FIG.
Figures 6 to 6 show an example of a conventional power failure processing circuit of a microcomputer, Figure 4 is a wiring diagram, Figure 5 is a time chart of Figure 4, and Figure 6 is a flow chart of the microcomputer of Figure 4. . 1... Microcomputer, 2... Main power supply, 4... Stabilized power supply, 5... Memory power supply, 6... Microcomputer power failure signal terminal, 7... Microcomputer stop signal terminal, 8...
...Comparison circuit, 15...Processing completion signal terminal, 16...
...AND circuit.
Claims (1)
の停電信号端子に停電検出信号が印加されると停
電処理を行なつた後に停電処理完了信号を発生す
る処理完了信号端子と、停止信号が印加される停
止信号端子とを備え、主電源に接続された安定化
電源と、前記主電源の停電時に電力を供給する記
憶用電源とにより駆動されるマイクロコンピユー
タの停電処理回路であつて、出力端子が前記停電
信号端子に接続され前記主電源の電圧が所定値以
下に低下したときに停電検出信号を発生する電圧
検出回路と、一方の入力端が前記電圧検出回路の
出力端子に接続され他方の入力端が前記処理完了
信号端子に接続され出力端が前記停止信号端子に
接続されて停止信号を発生する論理積回路とを備
えてなることを特徴とするマイクロコンピユータ
の停電処理回路。 A power outage signal terminal to which a power outage detection signal is applied, a processing completion signal terminal to which a power outage processing completion signal is generated after performing power outage processing when the power outage detection signal is applied to this power outage signal terminal, and a processing completion signal terminal to which a stop signal is applied. A power outage processing circuit for a microcomputer driven by a stabilized power supply connected to a main power supply and a storage power supply that supplies power during a power outage of the main power supply, the power outage processing circuit having an output terminal and a stop signal terminal. a voltage detection circuit that is connected to the power outage signal terminal and generates a power outage detection signal when the voltage of the main power supply drops below a predetermined value; and one input end of which is connected to the output terminal of the voltage detection circuit and the other input 1. A power outage processing circuit for a microcomputer, comprising an AND circuit whose end is connected to the processing completion signal terminal and whose output end is connected to the stop signal terminal to generate a stop signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7960585U JPS61196325U (en) | 1985-05-28 | 1985-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7960585U JPS61196325U (en) | 1985-05-28 | 1985-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61196325U true JPS61196325U (en) | 1986-12-08 |
Family
ID=30624678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7960585U Pending JPS61196325U (en) | 1985-05-28 | 1985-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61196325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009048366A (en) * | 2007-08-17 | 2009-03-05 | Toshiba Tec Corp | Electric equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824846B2 (en) * | 1977-04-16 | 1983-05-24 | ソニー株式会社 | Magnetic head position adjustment device in record player |
-
1985
- 1985-05-28 JP JP7960585U patent/JPS61196325U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824846B2 (en) * | 1977-04-16 | 1983-05-24 | ソニー株式会社 | Magnetic head position adjustment device in record player |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009048366A (en) * | 2007-08-17 | 2009-03-05 | Toshiba Tec Corp | Electric equipment |
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