Disclosed are a transceiver device (100) and a method for interfacing between at least two different voltage domains (12, 14), namely a first supply voltage domain (12) having a higher first supply voltage and a second supply voltage domain (14) having a lower second supply voltage. The transceiver device (100) has: a first interface (110), which is supplied by the first supply voltage and is adapted to interface to at least one external first digital device (20) operating in the first supply voltage domain (12); a second interface (120), which is supplied by the second supply voltage and is adapted to interface to an external communication bus (24) operating in the second supply voltage domain (14); a first internal communication link (130), which is adapted to transfer transmit data, which can be generated by the external first digital device (20) operating in the first supply voltage domain (12), from the first interface (110) to the second interface (120), and a second internal communication link (170), which is adapted to transfer transmit data, which can be supplied from the external communication bus (24) operating in the second supply voltage domain (14), from the second interface (120) to the first interface (110). The transceiver device (100) may be embodied as a monolithic integrated circuit, which may be implemented in silicon-on-insulator, SOT, technology. The first and the second internal communication link (130, 170) may be based on the principles of one of differential voltage transmission (140, 180) and digital current loop transmission (150, 190).

A differential bus network comprising: a bus comprising two bus wires; at least three nodes each comprising: a transceiver comprising: bus terminals for coupling, respectively, to the two wires of the bus; a receiver arrangement configured to receive differential signalling from the bus terminals and determine a digital receive signal based on said differential signalling; and a transmitter arrangement configured to apply differential signalling to the bus terminals based on a digital transmit signal, the transmitter arrangement comprising a first transmitter configured to increase the potential difference between the wires of the bus to a first differential voltage state and maintain the first differential state and a suppression element configured to decrease the potential difference between the two wires of the bus towards a second differential voltage state, the transmitter arrangement further comprising a resistor coupled between the bus terminals configured to at least maintain the second differential voltage state.

In an anti-fraud control system, a first error monitoring device includes a first frame transmitting and receiving unit that receives a frame flowing on the on-board network; and a first error detector that causes transmission of an error notification frame for notifying of an occurrence of an error in the frame when detecting the occurrence of the error in the frame received by the first frame transmitting and receiving unit. Each of second error monitoring devices includes: a second frame transmitting and receiving unit that receives the error notification frame; and a second error detector that regards, as a frame to be invalidated, the frame subjected to the error and included in the received error notification frame, and shifts the second error monitoring device to an invalidation mode for invalidating reception of subsequent frames, if no error is detected in an own branch with respect to the frame.

A device for processing data, including at least two data interfaces, a first data interface of the at least two data interfaces being designed to at least temporarily exchange first data with at least one first external unit according to a first communication protocol, in particular CAN and/or FlexRay and/or LIN and/or MOST and/or Ethernet, a second data interface of the at least two data interfaces being designed to at least temporarily exchange data with a second external unit and/or the first external unit according to a second communication protocol, which is different than the first communication protocol, the device including a security unit, which is designed to at least temporarily carry out at least one security function with regard to at least one of the at least two data interfaces.

A communication master device (101) manages a plurality of communication slave devices (102). An investigation unit (301) investigates status of retention of transmission waiting data in the plurality of communication slave devices (102). A period specification unit (302) specifies a length of a transmission permitted period in which transmission of the transmission waiting data is permitted and a length of a transmission prohibited period in which the transmission of the transmission waiting data is prohibited, based on the status of the retention of the transmission waiting data in the plurality of communication slave devices (102).

A method of configuring an automotive data communications network and a controller for the automotive data communications network are disclosed. The automotive data communications network comprises first and second controllers, each controller being operatively connected in use to a data bus and to a high-speed data communications channel. Each data bus is operatively connected to one or more electronic devices. The method comprises receiving a first data message over the high-speed data communications channel at the first controller; determining a network address associated with the second controller in dependence on the received first data message; and outputting a second data message from the first controller over the high-speed data communications channel, the second data message enabling the second controller to determine a network address associated with the first controller.

The disclosure relates to a control system for at least one motor vehicle, including a first control unit having a data interface for coupling the first control unit to a vehicle data bus, as well as having a first network interface for coupling the first control unit to a second control unit via an internet-protocol-based network. The control system also includes the second control unit having a second network interface for coupling the second control unit to the first control unit via the internet-protocol-based network. The second control unit is designed to send or receive at least one control signal that can be transmitted via the vehicle data bus by the first control unit via the vehicle data bus.

A device and a method for a transmitter/receiver device of a bus system are provided. The device has a measuring unit for measuring a minimum recessive bit time that occurs during an operation of the bus system in a message received by the device from a bus of the bus system, a voltage state of the message having been actively driven by a transmitter/receiver device of one of at least two user stations of the bus system; a calculation unit for calculating a power-on period on the basis of the minimum recessive bit time supplied by the measuring unit, the power-on period being a time period for which an oscillation reduction unit is to be switched on, which is used for reducing oscillations on the bus that occur after a transition between different voltage states of a bus signal transmitted on the bus.

A secure star coupler in a communication network adopting a time-triggered protocol based on a time slot include: transceivers each of which is connected to one of branches and transmits and receives signals; a routing table holder that holds a predetermined rule indicating a correspondence between a time slot and a branch; and a router that routes a signal received from a first branch to another branch unless a no-transfer condition is satisfied. The no-transfer condition includes a condition that the predetermined rule is not followed by the first branch and a condition that routing of a signal received from a second branch different from the first branch has started in the time slot.

A method for processing sensor data in a number of controllers in a controller complex. The controllers are connected to at least one sensor via at least one communication bus, wherein the sensor data of the at least one sensor are processed by at least two different controllers in stages. At least one processing stage is concordant in the two controllers or is equivalent to the other stage at least in so far as the results of the processing are converted into one another by a conversion. Provision is made for a preprocessing unit to which the sensor data of the at least one sensor are supplied, wherein the processing of the sensor data in the at least one concordant processing stage is performed in the preprocessing unit, and the processed sensor data are forwarded to the at least two different controllers for individual further processing.