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Programming flash memory of control unit, especially motor vehicle control unit connected via controller area network (CAN) bus, using communications link which can be switched between programming and communications elements
Programming flash memory of control unit, especially motor vehicle control unit connected via controller area network (CAN) bus, using communications link which can be switched between programming and communications elements
A device for programming a control unit (100) in which the control unit is linked to an external programming device (101) via a communications interface (110). An internal communications connection (104) links the interface with a control unit (103) that has programming (108) and communications (107) elements and a switching unit (105) with which a communications link can be switched between the programming element and the communications element. Independent claims are made for a switching device with connections for a communications link and a method for programming a control unit.
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