JP2015042072A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015042072A5 JP2015042072A5 JP2013172150A JP2013172150A JP2015042072A5 JP 2015042072 A5 JP2015042072 A5 JP 2015042072A5 JP 2013172150 A JP2013172150 A JP 2013172150A JP 2013172150 A JP2013172150 A JP 2013172150A JP 2015042072 A5 JP2015042072 A5 JP 2015042072A5
- Authority
- JP
- Japan
- Prior art keywords
- electronic control
- reset
- microcomputer
- power supply
- automobile
- 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.)
- Granted
Links
- 230000000875 corresponding Effects 0.000 claims 7
- 230000001276 controlling effect Effects 0.000 claims 2
Claims (10)
前記電源装置は前記マイクロコンピュータを制御するためのスタンバイ信号及びリセット信号を出力する共に、前記電源回路の電圧出力が過電圧状態になるとこの状態を表す過電圧状態信号を生成し、前記マイクロコンピュータは前記過電圧状態信号を検出すると、自身がリセットされる前にリセットに対応した必要な処理を実行することを特徴とする自動車用の電子制御装置。 In an electronic control device for an automobile including a power supply device including a power supply circuit for driving a CPU and a microcomputer that is supplied with power from the power supply device and performs a predetermined operation.
The power supply device outputs a standby signal and a reset signal for controlling the microcomputer, and generates an overvoltage state signal indicating this state when the voltage output of the power supply circuit is in an overvoltage state, and the microcomputer generates the overvoltage. An electronic control device for an automobile, wherein when the status signal is detected, necessary processing corresponding to the reset is executed before the status signal is reset.
前記電源装置は前記電源回路の電圧出力が第１の過電圧状態になるとカウントを開始する過電圧カウンタを備えており、前記カウンタがオーバーフローした際に前記過電圧状態信号が有効と判断され、これによって前記マイクロコンピュータは有効とされた前記過電圧状態信号を検出すると、自身がリセットされる前にリセットに対応した必要な処理を実行することを特徴とする自動車用の電子制御装置。 The electronic control device for an automobile according to claim 1,
The power supply device includes an overvoltage counter that starts counting when the voltage output of the power supply circuit is in a first overvoltage state. When the counter overflows, the overvoltage state signal is determined to be valid, thereby When the computer detects the overvoltage state signal that has been validated, the computer performs necessary processing corresponding to the reset before the computer is reset.
前記電源装置は前記電源回路の電圧出力が前記第１の過電圧状態より高い第２の過電圧状態になると前記過電圧状態信号が有効と判断され、これによって前記マイクロコンピュータは有効とされた前記過電圧状態信号を検出すると、自身がリセットされる前にリセットに対応した必要な処理を実行することを特徴とする自動車用の電子制御装置。 The electronic control device for an automobile according to claim 2,
The power supply apparatus determines that the overvoltage state signal is valid when the voltage output of the power supply circuit is in a second overvoltage state that is higher than the first overvoltage state. When the vehicle is detected, an electronic control device for an automobile, which performs necessary processing corresponding to the reset before the device itself is reset.
前記過電圧状態信号は過電圧フラグであり、前記電源装置は前記過電圧フラグを記憶するメモリを備えており、前記マイクロコンピュータは前記過電圧フラグが確定していることを条件に、自身がリセットされる前にリセットに対応した必要な処理を実行することを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 3,
The overvoltage state signal is an overvoltage flag, and the power supply device includes a memory for storing the overvoltage flag, and the microcomputer is reset before it is reset on the condition that the overvoltage flag is established. An electronic control device for an automobile, which performs a necessary process corresponding to a reset.
前記マイクロコンピュータが実行する前記リセットに対応した必要な処理は、前記マイクロコンピュータのＲＡＭに格納された情報を別の不揮発性メモリに退避させる退避処理であることを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 4,
The electronic control apparatus for automobiles, wherein the necessary processing corresponding to the reset executed by the microcomputer is a saving process for saving information stored in the RAM of the microcomputer to another nonvolatile memory. .
前記マイクロコンピュータが実行する前記リセットに対応した必要な処理は、前記自動車の制御機器の動作量を、現在の動作量からハードウェアフェイル状態の動作量に段階的或いは徐々に近づくように制御するソフトランディング制御処理であることを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 4,
The necessary processing corresponding to the reset executed by the microcomputer is a software for controlling the operation amount of the control device of the automobile so as to gradually or gradually approach the operation amount of the hardware failure state from the current operation amount. An electronic control device for an automobile, which is a landing control process.
前記過電圧状態信号が有効となると、前記電源装置は前記スタンバイ信号を立ち下げて前記マイクロコンピュータのリセットまでの時間の間にリセットに対応した必要な処理を実行させることを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 5,
When the overvoltage state signal becomes valid, the power supply device causes the standby signal to fall and executes a necessary process corresponding to the reset during a time period until the microcomputer is reset. Control device.
前記マイクロコンピュータはリセット後の初期動作時にリセットの発生の事由として過電圧状態に陥ったというエラー情報を前記マイクロコンピュータのメモリのエラーコードエリアに書き出すことを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 6,
An electronic control device for an automobile, wherein the microcomputer writes error information indicating that the microcomputer has fallen into an overvoltage state as a cause of the occurrence of reset during an initial operation after resetting into an error code area of a memory of the microcomputer.
前記電源装置或いは前記マイクロコンピュータは前記リセットの回数が所定の回数を越えるとハードウェアフェイル状態へ移行させることを特徴とする自動車用の電子制御装置。 The electronic control unit for a motor vehicle according to any one of claims 1 to 7,
An electronic control device for an automobile, wherein the power supply device or the microcomputer shifts to a hardware failure state when the number of resets exceeds a predetermined number.
前記マイクロコンピュータはスリープモードに移行することによってハードウェアフェイル状態へ移行することを特徴とする自動車用の電子制御装置。 The electronic control device for an automobile according to claim 9,
An electronic controller for an automobile, wherein the microcomputer shifts to a hardware fail state by shifting to a sleep mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013172150A JP6153815B2 (en) | 2013-08-22 | 2013-08-22 | Electronic control unit for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013172150A JP6153815B2 (en) | 2013-08-22 | 2013-08-22 | Electronic control unit for automobile |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015042072A JP2015042072A (en) | 2015-03-02 |
| JP2015042072A5 true JP2015042072A5 (en) | 2016-04-21 |
| JP6153815B2 JP6153815B2 (en) | 2017-06-28 |
Family
ID=52695945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013172150A Expired - Fee Related JP6153815B2 (en) | 2013-08-22 | 2013-08-22 | Electronic control unit for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6153815B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018025929A (en) * | 2016-08-09 | 2018-02-15 | 東芝メモリ株式会社 | Semiconductor device and control method thereof |
| KR101826777B1 (en) * | 2016-09-12 | 2018-03-22 | 현대오트론 주식회사 | Apparatus and method for monitoring Microcontroller Unit |
| KR101977955B1 (en) * | 2016-12-12 | 2019-05-13 | 현대오트론 주식회사 | Apparatus and method for monitoring Microcontroller Unit |
| JP6684745B2 (en) * | 2017-03-29 | 2020-04-22 | キオクシア株式会社 | Semiconductor device |
| JP6407366B1 (en) * | 2017-07-04 | 2018-10-17 | 三菱電機株式会社 | Power converter |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63297139A (en) * | 1987-05-29 | 1988-12-05 | Japan Electronic Control Syst Co Ltd | Backup ram memory protection device for automobile control device |
| JPH02285925A (en) * | 1989-04-26 | 1990-11-26 | Fanuc Ltd | Monitoring system for supply voltage |
| JPH0738146B2 (en) * | 1989-09-20 | 1995-04-26 | 株式会社富士通ゼネラル | Power failure detection / recovery circuit |
| JP3151532B2 (en) * | 1991-06-19 | 2001-04-03 | 沖電気工業株式会社 | Power seat control unit |
| JPH05308714A (en) * | 1992-05-01 | 1993-11-19 | Funai Denki Kenkyusho:Kk | Method of monitoring supply voltage |
| JP4034506B2 (en) * | 2000-09-22 | 2008-01-16 | 株式会社藤商事 | Game machine |
| JP2002229688A (en) * | 2001-02-01 | 2002-08-16 | Sanyo Electric Co Ltd | Battery driven information terminal device and data backup method |
| JP4397621B2 (en) * | 2003-04-28 | 2010-01-13 | 富士通テン株式会社 | Abnormality monitoring device |
| JP4584118B2 (en) * | 2005-11-11 | 2010-11-17 | 三菱電機株式会社 | Power supply device and sequencer system using the same |
| JP4942143B2 (en) * | 2005-12-15 | 2012-05-30 | 東芝三菱電機産業システム株式会社 | Inverter device and overvoltage protection method thereof |
| JP5133609B2 (en) * | 2007-06-13 | 2013-01-30 | トヨタ自動車株式会社 | Vehicle and control method thereof |
-
2013
- 2013-08-22 JP JP2013172150A patent/JP6153815B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2015042072A5 (en) | ||
| JP5739290B2 (en) | Electronic control unit | |
| JP5743932B2 (en) | ECU abnormality monitoring circuit | |
| US20160161367A1 (en) | Device and method for detecting vehicle engine state | |
| JP2014099165A5 (en) | Microcontroller | |
| US20140372737A1 (en) | Electronic device and method for automatically waking up operating system of electronic device | |
| US9778711B2 (en) | Control device and reset system utilizing the same | |
| JP5962697B2 (en) | Electronic control unit | |
| JP6153815B2 (en) | Electronic control unit for automobile | |
| JP2015217911A (en) | Electronic control apparatus | |
| JP5455826B2 (en) | Power-on control circuit | |
| JP2009189893A5 (en) | ||
| JP2011098593A (en) | Vehicular electronic control system | |
| JP2015041262A5 (en) | Information processing apparatus, image forming apparatus, and control method thereof | |
| JP5297685B2 (en) | Solenoid drive | |
| US20170168757A1 (en) | Semiconductor device and memory access control method | |
| JP5942963B2 (en) | Microcomputer monitoring equipment | |
| JP5726266B2 (en) | Control device and control device abnormality determination processing method | |
| WO2015111106A1 (en) | Processor control apparatus and processor control method | |
| US20140340974A1 (en) | Apparatus and method for writing data into storage of electronic device | |
| JP6172040B2 (en) | Electronic control unit | |
| JP6384393B2 (en) | Microcomputer and electronic control device | |
| US20140164754A1 (en) | Device in computer system | |
| CN110949359A (en) | Brake resistor overheating protection method and device, readable storage medium and controller | |
| JP5628142B2 (en) | Electronic control unit |