To securely rewrite software in an automotive electronic control device mounting a multi-core microcontroller.SOLUTION: When rewriting software on a code flash, by a command from a core rewriting the software, it causes the cores other than the core rewriting the software executed on the code flash to move to a program on RAMs for each core or a RAM common for the cores.SELECTED DRAWING: Figure 2

    【課題】マルチコアマイコンを搭載する自動車用電子制御装置において、ソフトウェア書き換えを安全に行う。【解決手段】コードフラッシュ上のソフトウェア書き換えを行う際、ソフトウェア書き換えを行うコアからの指令により、コードフラッシュ上で実行されているソフトウェア書き換えを行うコア以外のコアを、各コア用のRAM上、または、コア共通RAM上のプログラムへ移行させる。【選択図】 図2


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    Title :

    AUTOMOTIVE ELECTRONIC CONTROL DEVICE


    Additional title:

    自動車用電子制御装置


    Contributors:
    ABE YUSUKE (author)

    Publication date :

    2020-01-09


    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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