PROBLEM TO BE SOLVED: To provide a data transmission/reception device capable of highly accurately detecting the supply voltage Vc2 of EOPECU 30 by ISMECU 50.SOLUTION: A communication line L2 has been pulled up to the supply voltage Vc2 of EOPECU 30 via a pull-up resistor 36. ISMECU 50 includes a sensing line L4 for sensing the voltage of the communication line L2, and a voltage follower 66 is connected to the sensing line L4 via a voltage-dividing resistor 67. A pull-up voltage Vp2 which is the output voltage of the voltage follower 66 is sampled by an A/D converter 54a.SELECTED DRAWING: Figure 1

    【課題】ISMECU50によるEOPECU30の給電電圧Vc2を高精度に検出することのできるデータ送受信装置を提供する。【解決手段】通信線L2は、プルアップ抵抗体36を介してEOPECU30の給電電圧Vc2にプルアップされている。ISMECU50は、通信線L2の電圧をセンシングするセンシング線L4を備え、センシング線L4には、分圧抵抗67を介してボルテージフォロワ66が接続されている。ボルテージフォロワ66の出力電圧であるプルアップ電圧Vp2は、A/D変換器54aによってサンプリングされる。【選択図】図1


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    Title :

    DATA TRANSMISSION/RECEPTION DEVICE


    Additional title:

    データ送受信装置


    Contributors:

    Publication date :

    2016-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F16H Getriebe , GEARING



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