JPS58195334U - CPU reset circuit - Google Patents

CPU reset circuit

Info

Publication number
JPS58195334U
JPS58195334U JP9075682U JP9075682U JPS58195334U JP S58195334 U JPS58195334 U JP S58195334U JP 9075682 U JP9075682 U JP 9075682U JP 9075682 U JP9075682 U JP 9075682U JP S58195334 U JPS58195334 U JP S58195334U
Authority
JP
Japan
Prior art keywords
vcmin
detection circuit
reset circuit
cpu reset
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
Application number
JP9075682U
Other languages
Japanese (ja)
Inventor
福原　元彦
修 平川
助田　俊明
Original Assignee
富士通株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to JP9075682U priority Critical patent/JPS58195334U/en
Publication of JPS58195334U publication Critical patent/JPS58195334U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例によるＣＰＵのリセット回路、
第２図はそのタイムチャートを示す。 図において、１はＣＰＵ、　２は電圧検出回路、３．４
はゲート回路を示す。FIG. 1 shows a CPU reset circuit according to an embodiment of the present invention.
FIG. 2 shows the time chart. In the figure, 1 is the CPU, 2 is the voltage detection circuit, 3.4
indicates a gate circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 最低動作保証電圧（Ｖｃｍｉｎ）を検出する電圧検出回
路を設け、電源断時に該検出回路がＶｃｍｉｎを検出し
たら直ちにリセットをかけ、電源回復時は前記検出回路
がＶｃｍｉｎを検出してから一定遅延時間後にリセット
解除を行なうようにした事を特徴とするＣＰＵのリセッ
ト回路。A voltage detection circuit that detects the minimum guaranteed operating voltage (Vcmin) is provided, and when the detection circuit detects Vcmin when the power is turned off, it immediately resets the voltage, and when the power is restored, a certain delay time has elapsed after the detection circuit detects Vcmin. A CPU reset circuit characterized in that it performs reset release.
JP9075682U 1982-06-17 1982-06-17 CPU reset circuit Pending JPS58195334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9075682U JPS58195334U (en) 1982-06-17 1982-06-17 CPU reset circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9075682U JPS58195334U (en) 1982-06-17 1982-06-17 CPU reset circuit

Publications (1)

Publication Number Publication Date
JPS58195334U true JPS58195334U (en) 1983-12-26

Family

ID=30220709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9075682U Pending JPS58195334U (en) 1982-06-17 1982-06-17 CPU reset circuit

Country Status (1)

Country Link
JP (1) JPS58195334U (en)

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