JPS5876931U - Non-volatile memory power supply control circuit - Google Patents
Non-volatile memory power supply control circuitInfo
- Publication number
- JPS5876931U JPS5876931U JP16995681U JP16995681U JPS5876931U JP S5876931 U JPS5876931 U JP S5876931U JP 16995681 U JP16995681 U JP 16995681U JP 16995681 U JP16995681 U JP 16995681U JP S5876931 U JPS5876931 U JP S5876931U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- control circuit
- supply control
- volatile memory
- memory
- 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
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
図面はいずれも本考案の不揮発性メモリの給電制御回路
に係り、第１図は一実施回路図、第２図は動作波形図で
ある。
ｍ・・・不揮発性メモリ、Ｍ・・・ＭＰＵ、 ２・・・
整流平滑ブロック、３・・・安定化回路ブロック、４・
・・波形整形回路、６・・・スイッチング回路。The drawings all relate to a power supply control circuit for a non-volatile memory according to the present invention; FIG. 1 is an implementation circuit diagram, and FIG. 2 is an operational waveform diagram. m...Nonvolatile memory, M...MPU, 2...
Rectification smoothing block, 3... Stabilization circuit block, 4.
... Waveform shaping circuit, 6... Switching circuit.
Claims (1)
るメモリ制御回路を備える不揮発性メモリの給電回路に
於て、前記交流電源の切断を検知して、前記メモリ制御
回路に対し動作限界電圧以上の電圧が供給されている間
に、上記不揮発性メモリへの給電を断つべく構成した不
揮発性メモリの給電制御回路。 （２） 前記交流電源の出力を断続パルスに変換し、
その存否をメモリ制御回路として機能するマイクロプロ
セッサで検知すべく構成した実用新案登録請求の範囲第
１項記載の不揮発性メモリの給電制御回路。[Claims for Utility Model Registration] -(1) In a power supply circuit for a non-volatile memory that includes a memory control circuit that is supplied with power by the rectified and smoothed output of an AC power supply, disconnection of the AC power supply is detected to control the memory. A power supply control circuit for a nonvolatile memory configured to cut off power supply to the nonvolatile memory while a voltage higher than an operating limit voltage is supplied to the circuit. (2) converting the output of the AC power source into intermittent pulses;
A power supply control circuit for a nonvolatile memory according to claim 1, which is configured to detect the presence or absence of the nonvolatile memory by a microprocessor functioning as a memory control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16995681U JPS5876931U (en) | 1981-11-13 | 1981-11-13 | Non-volatile memory power supply control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16995681U JPS5876931U (en) | 1981-11-13 | 1981-11-13 | Non-volatile memory power supply control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5876931U true JPS5876931U (en) | 1983-05-24 |
Family
ID=29961922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16995681U Pending JPS5876931U (en) | 1981-11-13 | 1981-11-13 | Non-volatile memory power supply control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5876931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6378213A (en) * | 1986-09-20 | 1988-04-08 | Sharp Corp | Cpu resetting system |
-
1981
- 1981-11-13 JP JP16995681U patent/JPS5876931U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6378213A (en) * | 1986-09-20 | 1988-04-08 | Sharp Corp | Cpu resetting system |
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