Title:
データバス、特に自動車両内のデータバス
Document Type and Number:
Japanese Patent JP2004513584
Kind Code:
A
Abstract:
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.
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Inventors:
Venus alexander
Kramer Josef
Quint michael
Freshle Joachim
Kramer Josef
Quint michael
Freshle Joachim
Application Number:
JP2002540525A
Publication Date:
April 30, 2004
Filing Date:
September 15, 2001
Export Citation:
Assignee:
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
International Classes:
H04L12/40; H04L12/403; H04L29/08; (IPC1-7): H04L12/40
Domestic Patent References:
| JPH0477146A | 1992-03-11 |
Attorney, Agent or Firm:
Fujita Akira
Takehisa Ito
Takehisa Ito