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    • 5. 发明授权
    • Data bus, particularly in motor vehicles
    • 数据总线,特别是机动车辆
    • US06871250B2
    • 2005-03-22
    • US10431597
    • 2003-05-08
    • Joachim FroeschlMichael KaindlJosef Krammer
    • Joachim FroeschlMichael KaindlJosef Krammer
    • H04L12/40H04L12/403H04L29/08G06F13/00
    • H04L12/4035H04L12/40169H04L67/12H04L69/329H04L2012/40234H04L2012/4026H04L2012/40273
    • The invention relates to a data bus comprising slave nodes executing functions based on addressed command telegrams of an electronic main control unit which is also connected to said data bus. The command telegrams contain an identification field for addressing the commands whereby a reduced number of identification data is provided for said identification field. All functions which can be executed by the form of slave nodes on the data bus are respectively associated with at least one function number. Each slave node comprises a first non-volatile memory area, wherein the function numbers of the functions, which can be executed by a respective slave node are securely stored. Each slave node comprises a second programmable memory area, wherein identification information provided for the identification field can be stored associated with each function number stored by means of a special command telegram from the electronic main control unit to each function number stored in the first memory area.
    • 本发明涉及一种数据总线,其包括从属节点,其执行基于也连接到所述数据总线的电子主控单元的寻址命令报文的功能。 命令电报包含用于寻址命令的识别字段,由此为所述识别字段提供减少数量的识别数据。 可以通过数据总线上的从节点形式执行的所有功能分别与至少一个功能号码相关联。 每个从节点包括第一非易失性存储器区域,其中可以由相应的从节点执行的功能的功能号被安全地存储。 每个从节点包括第二可编程存储区域,其中为识别字段提供的识别信息可以与通过特殊命令电报存储的每个功能号码相关联地存储在从电子主控制单元到存储在第一存储区域中的每个功能号码 。