To provide a vehicle-purpose electronic control unit that can efficiently and correctly take over backup data when rewriting control software.SOLUTION: A vehicle-purpose electronic control unit is configured to compare a data table 18old providing a data table composed of a management ID 19 uniquely identifying backup data, and an allocation address 20 of the management ID, and being owned by existing control software 16 with a data table 18 owned by the existing control software retreated in a RAM with a data table 18new owned by new control software; when the same management ID exists, set a data value having been stored in an address of a non-volatile memory present in the data table of existing control software; and in a case of the management ID existing in the new control software and not existing in the existing control software, set an initial value.SELECTED DRAWING: Figure 4

    【課題】制御ソフトウェアの書き換えを行なう場合に、効率よく正確にバックアップデータを引き継ぐことができる自動車用制御装置を提供することにある。【解決手段】バックアップデータを一意に識別する管理ID19とその割付けアドレス20から構成されるデータテーブルを設け、既存の制御ソフトウェア16が持つデータテーブル18をRAMに退避したうえで、既存の制御ソフトウェアが持つデータテーブル18oldと、新しい制御ソフトウェアが持つデータテーブル18newとを比較し、同じ管理IDが存在する場合は、既存のソフトウェアのデータテーブルにある不揮発性メモリのアドレスに格納されていたデータ値を設定し、新しい制御ソフトウェアに存在して既存の制御ソフトウェアに存在しない管理IDの場合は初期値を設定する。【選択図】図4


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    Title :

    VEHICLE-PURPOSE ELECTRONIC CONTROL UNIT


    Additional title:

    自動車用制御装置


    Contributors:

    Publication date :

    2019-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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