To provide an automobile electronic control device capable of promptly obtaining an arithmetic result of an identification code of update data when data in a nonvolatile memory is rewritten.SOLUTION: An automobile electronic control device comprises a nonvolatile memory electrically rewritable of a storage content, can swith a first mode in which data in the nonvolatile memory is rewritten by an external instruction with a second mode in which a device to be controlled is controlled according to a control program stored in the nonvolatile memory, and calculates an identification code of update data during writing processing of the update data sent from outside to the nonvolatile memory in the first mode.SELECTED DRAWING: Figure 8

    【課題】不揮発性メモリのデータが書き換えられるときに、更新データの識別コードの演算結果を速やかに得ることができる、自動車用電子制御装置を提供する。【解決手段】自動車用電子制御装置は、電気的に記憶内容が書き換え可能な不揮発性メモリを備え、外部からの指示によって不揮発性メモリのデータを書き換える第1のモードと、不揮発性メモリに格納された制御用プログラムにしたがって制御対象機器を制御する第2のモードとに切替え可能であり、第1のモードにおいて外部から送られた更新データを不揮発性メモリに書き込む処理中に更新データの識別コードを演算する。【選択図】図8


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    Title :

    AUTOMOBILE ELECTRONIC CONTROL DEVICE


    Additional title:

    自動車用電子制御装置


    Contributors:

    Publication date :

    2019-01-31


    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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