PROBLEM TO BE SOLVED: To shorten time required for transferring write data in an electronic control unit for an automobile.SOLUTION: When data to be written in a ROM 110 on an ECU (an Electronic Control Unit) 100 is transferred from a writing tool 200 to the ECU 100, the ECU 100 performs communication by using not only a communication buffer used in order for the ECU 100 to communicate with the writing tool 200 in an on-board state but also a communication buffer used to communicate with a device other than the writing tool 200 in the on-board state out of communication buffers of a communication buffer region 141.

    【課題】自動車用電子制御装置において、書込みデータの転送に要する時間を短縮する。【解決手段】書込みツール200からECU100に対し、ECU100上のROM110に書込むためのデータを転送するとき、ECU100は、通信バッファ領域141の通信バッファのうち、車載状態においてECU100が書込みツール200と通信するために使用する通信バッファに加えて、車載状態において書込みツール200以外の装置と通信するために使用する通信バッファを使用して通信を行う。【選択図】図2


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    Title :

    ELECTRONIC CONTROL UNIT FOR AUTOMOBILE


    Additional title:

    自動車用電子制御装置


    Contributors:
    ABE YUSUKE (author) / YUASA KOJI (author) / ARAI TOSHINAKA (author)

    Publication date :

    2015-10-01


    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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