JPS59100332U - Power supply voltage control circuit - Google Patents
Power supply voltage control circuitInfo
- Publication number
- JPS59100332U JPS59100332U JP19494782U JP19494782U JPS59100332U JP S59100332 U JPS59100332 U JP S59100332U JP 19494782 U JP19494782 U JP 19494782U JP 19494782 U JP19494782 U JP 19494782U JP S59100332 U JPS59100332 U JP S59100332U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- circuit
- voltage control
- control circuit
- 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
第１図は本考案の一実施例を示すブロック図、
−第２図は本考案によるμｍｃｐｕの操作状態時のタイ
ムチャート図である。
１・・・操作電源部、２・・・電源電圧回路、３・・・
μｍｃｐｕ部、４・・・操作回路、５・・・起動条件検
出部、Ｘ１〜Ｘ４・・・スイッチング回路、ＴＩ、Ｔ２
・・・限時スイッチング回路。FIG. 1 is a block diagram showing an embodiment of the present invention;
- FIG. 2 is a time chart of the μm CPU according to the present invention in an operating state. 1... Operation power supply unit, 2... Power supply voltage circuit, 3...
μmcpu section, 4... Operating circuit, 5... Starting condition detection section, X1 to X4... Switching circuit, TI, T2
...Time-limited switching circuit.
Claims (1)
いて、μｍｃｐｕの起動条件検出部の動作により、μｍ
ｃｐｕの電源電圧を投入する構成とし、該μｍｃｐｕの
電源電圧の保持回路を接続すると共に、前記起動条件検
出部に、２−）の限時スイッチング回路を接続し、１つ
の限時スイッチング回路の出力接点は、μｍｃｐｕから
の操作回路の電源回路を働かせ、他方の限時スイッチン
グ回路の出力接点は、μｍｃｐｕからの操作信号回路を
制御する構成−としたことを特徴とする電源電圧制御回
路。 −In a device having a μmCPU (microcomputer), μm
The configuration is such that the power supply voltage of the CPU is turned on, a holding circuit for the power supply voltage of the μm CPU is connected, and a time-limited switching circuit (2-) is connected to the startup condition detection section, and the output contact of one time-limited switching circuit is A power supply voltage control circuit characterized in that the power supply circuit of the operation circuit from the .mu.mCPU is operated, and the output contact of the other time-limited switching circuit controls the operation signal circuit from the .mu.mCPU. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19494782U JPS59100332U (en) | 1982-12-24 | 1982-12-24 | Power supply voltage control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19494782U JPS59100332U (en) | 1982-12-24 | 1982-12-24 | Power supply voltage control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59100332U true JPS59100332U (en) | 1984-07-06 |
Family
ID=30418863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19494782U Pending JPS59100332U (en) | 1982-12-24 | 1982-12-24 | Power supply voltage control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59100332U (en) |
-
1982
- 1982-12-24 JP JP19494782U patent/JPS59100332U/en active Pending
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