JPS6174126U - - Google Patents
Info
- Publication number
- JPS6174126U JPS6174126U JP15890284U JP15890284U JPS6174126U JP S6174126 U JPS6174126 U JP S6174126U JP 15890284 U JP15890284 U JP 15890284U JP 15890284 U JP15890284 U JP 15890284U JP S6174126 U JPS6174126 U JP S6174126U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply circuit
- microcomputer
- terminal
- voltage
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第１図はこの考案を説明する回路ブロツク図、
第２図は従来例を説明する回路ブロツク図、であ
る。
１…第１直流電源回路、２…第２直流電源回路
、３…スイツチ、４…トランジスタ、５…抵抗、
６…コンデンサ、７…マイクロコンピユータ。
Figure 1 is a circuit block diagram explaining this idea.
FIG. 2 is a circuit block diagram illustrating a conventional example. DESCRIPTION OF SYMBOLS 1...First DC power supply circuit, 2...Second DC power supply circuit, 3...Switch, 4...Transistor, 5...Resistor,
6...Capacitor, 7...Microcomputer.
Claims (1)
力電圧より低い出力電圧で出力電圧の立上り・立
下りの時定数とほぼ同じ時定数の第２直流電源回
路と、前記第１および第２直流電源回路を同時に
開閉するスイツチと、前記第１直流電源回路の出
力端子とマイクロコンピユータの直流電圧供給端
子間にコレクタ・エミツタが接続され、前記第２
直流電源回路の出力端子に抵抗を介してベースが
接続されたトランジスタと、前記マイクロコンピ
ユータの直流電圧供給端子と接地間に接続された
コンデンサとからなるマイクロコンピユータ用電
源回路。 a first DC power supply circuit; a second DC power supply circuit having an output voltage lower than the output voltage of the first DC power supply circuit and having a time constant substantially the same as the rise/fall time constant of the output voltage; A switch that simultaneously opens and closes the DC power supply circuit, a collector emitter connected between the output terminal of the first DC power supply circuit and the DC voltage supply terminal of the microcomputer, and the second
A power supply circuit for a microcomputer comprising a transistor whose base is connected to an output terminal of the DC power supply circuit via a resistor, and a capacitor connected between the DC voltage supply terminal of the microcomputer and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15890284U JPS6174126U (en) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15890284U JPS6174126U (en) | 1984-10-19 | 1984-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6174126U true JPS6174126U (en) | 1986-05-20 |
Family
ID=30716869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15890284U Pending JPS6174126U (en) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6174126U (en) |
-
1984
- 1984-10-19 JP JP15890284U patent/JPS6174126U/ja active Pending