JPS61622U - power control circuit - Google Patents
power control circuitInfo
- Publication number
- JPS61622U JPS61622U JP1984083086U JP8308684U JPS61622U JP S61622 U JPS61622 U JP S61622U JP 1984083086 U JP1984083086 U JP 1984083086U JP 8308684 U JP8308684 U JP 8308684U JP S61622 U JPS61622 U JP S61622U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- power control
- power supply
- nonvolatile memory
- microcomputer
- 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
- Electronic Switches (AREA)
- Selective Calling Equipment (AREA)
- Power Sources (AREA)
- Details Of Television Systems (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図はこの考案に係る電源制御回路の一例を示す要部
の系統図、第2図はこの考案の説明に供する電源制御回
路の系統図、第3図及び第4図は第1図及び第2図の制
御回路の動作説明に供する波形図である。
11.13は第1及び第2のマイクロコンピュータ、1
2は不揮発性メモリ、17.18は第1、及び第2の電
源回路、30はスイッチング手段である。Fig. 1 is a system diagram of the main parts showing an example of a power supply control circuit according to this invention, Fig. 2 is a system diagram of a power supply control circuit used to explain this invention, and Figs. FIG. 3 is a waveform diagram for explaining the operation of the control circuit in FIG. 2; 11.13 are the first and second microcomputers, 1
2 is a nonvolatile memory, 17 and 18 are first and second power supply circuits, and 30 is a switching means.
Claims (1)
供給を上記電源の立上り時より所定の期間だけ禁止する
ようにして上記不揮発性メモリの誤消去を防止するよう
にした電源制御回路。A power supply control circuit that prevents erroneous erasure of the nonvolatile memory by inhibiting power supply to a microcomputer having a nonvolatile memory for a predetermined period from when the power supply is turned on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984083086U JPS61622U (en) | 1984-06-05 | 1984-06-05 | power control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984083086U JPS61622U (en) | 1984-06-05 | 1984-06-05 | power control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61622U true JPS61622U (en) | 1986-01-06 |
Family
ID=30631393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984083086U Pending JPS61622U (en) | 1984-06-05 | 1984-06-05 | power control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61622U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0415369U (en) * | 1990-05-28 | 1992-02-07 | ||
JPH0446290A (en) * | 1990-06-07 | 1992-02-17 | Toyo Seikan Kaisha Ltd | Rotary joint |
JP2018196325A (en) * | 2012-07-05 | 2018-12-06 | 株式会社半導体エネルギー研究所 | Electronic apparatus |
-
1984
- 1984-06-05 JP JP1984083086U patent/JPS61622U/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0415369U (en) * | 1990-05-28 | 1992-02-07 | ||
JPH0446290A (en) * | 1990-06-07 | 1992-02-17 | Toyo Seikan Kaisha Ltd | Rotary joint |
JP2018196325A (en) * | 2012-07-05 | 2018-12-06 | 株式会社半導体エネルギー研究所 | Electronic apparatus |
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