PROBLEM TO BE SOLVED: To update a program of an on-vehicle controller mounted on various kinds of vehicles by one difference data.SOLUTION: An on-vehicle controller can update a stored old program into a new program based on update content provided by a write device. The on-vehicle controller includes a non-volatile memory having a first non-volatile memory area in which an executable specific program is stored and a second non-volatile memory area in which an executable and updatable program is stored. Using difference data between the specific program and the new program and the specific program in the first non-volatile memory area, the new program is subjected to difference update and the restored program is written into the second non-volatile memory area.SELECTED DRAWING: Figure 1

    【課題】1つの差分データで様々な車種に搭載されている車載制御装置のプログラムを更新する。【解決手段】書込み装置から提供される更新内容に基づいて、格納している旧プログラムを新プログラムヘ更新可能な車載制御装置であって、実行可能な特定プログラムを格納した第1の不揮発性メモリ領域と、実行可能で更新可能なプログラムを格納した第2の不揮発性メモリ領域と、を備えた不揮発性メモリを備え、前記特定プログラムと前記新プログラムとの差分データと、前記第1の不揮発性メモリ領域の特定プログラムを用いて、前記新プログラムを差分復元し、復元した該プログラムを前記第2の不揮発性メモリ領域へ書込む。【選択図】図1


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    Title :

    ON-VEHICLE CONTROLLER AND PROGRAM UPDATE SOFTWARE


    Additional title:

    車載制御装置、及び、プログラム更新ソフトウェア


    Contributors:

    Publication date :

    2018-10-11


    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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