JPS59130131U - Microcomputer reset circuit - Google Patents
Microcomputer reset circuitInfo
- Publication number
- JPS59130131U JPS59130131U JP2194283U JP2194283U JPS59130131U JP S59130131 U JPS59130131 U JP S59130131U JP 2194283 U JP2194283 U JP 2194283U JP 2194283 U JP2194283 U JP 2194283U JP S59130131 U JPS59130131 U JP S59130131U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- microcomputer
- reset circuit
- power supply
- reset
- 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)
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図はリセット回路の従来例を示す回路図、第２図及
び第３図は第１図の回路の動作を示す波形図、第４図は
本考案の実施例を示す回路図、第５図は第４図の回路の
動作を示す波形図である。
主要部分の符号の説明、１・・・マイクロコンピュータ
、４・・・リセット回路、１１・・・第１信号発生回路
、１２・・・第２信号発生回路。FIG. 1 is a circuit diagram showing a conventional example of a reset circuit, FIGS. 2 and 3 are waveform diagrams showing the operation of the circuit in FIG. 1, FIG. 4 is a circuit diagram showing an embodiment of the present invention, and FIG. The figure is a waveform diagram showing the operation of the circuit of FIG. 4. Explanation of symbols of main parts: 1...microcomputer, 4...reset circuit, 11...first signal generation circuit, 12...second signal generation circuit.
Claims (2)
セット信号を発生するリセット回路であって、前記マイ
クロコンピュータへの電源電圧の電圧上昇に応じて前記
リセット信号を発生する第１信号発生回路と、前記電源
電圧が所定電圧以下にあるときに前記リセット信号を発
生する第２信号発生回路とを有することを特徴とするリ
セット回路。(1) A reset circuit that generates a reset signal to bring the microcomputer into an initial state, the first signal generating circuit generating the reset signal in response to an increase in the power supply voltage to the microcomputer; and the power supply. and a second signal generation circuit that generates the reset signal when the voltage is below a predetermined voltage.
かつ前記マイクロコンピュータの最低動作電圧より高い
電圧であることを特徴とする実用新案登録請求の範囲第
１項記載のリセット回路。(2) The reset circuit according to claim 1, wherein the predetermined voltage is lower than the set voltage of the power supply voltage and higher than the minimum operating voltage of the microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194283U JPS59130131U (en) | 1983-02-17 | 1983-02-17 | Microcomputer reset circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194283U JPS59130131U (en) | 1983-02-17 | 1983-02-17 | Microcomputer reset circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59130131U true JPS59130131U (en) | 1984-09-01 |
Family
ID=30153063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2194283U Pending JPS59130131U (en) | 1983-02-17 | 1983-02-17 | Microcomputer reset circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59130131U (en) |
-
1983
- 1983-02-17 JP JP2194283U patent/JPS59130131U/en active Pending
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