Nxp B.v.

Lucas Pieter Lodewijk Van Dijk

Gerald Kwakernaat

Georg Olma

Clemens Gerhardus Johannes De Haas

Steffen Mueller

Joachim Josef Maria Kruecken

Matthias Berthold Muth

Hubertus Gerardus Hendrikus Vermeulen

Bernd Uwe Gerhard Elend

Abhijit Kumar Deb

Martin Wagner

Cecilius Gerardus Kwakernaat

Peter Van De Haar

Stefan Paul Van Den Hoek

Cornelis Gehrels

Rajeev Roy

Adrien Manfred Schoof

Steffen Müller

Janett Habermann

The present disclosure relates to a controller area network, CAN, transceiver, comprising: a transmit data, TXD, interface, a receive data, RXD, interface, a CAN Bus interface, a transmitter, a receiver, a reducer, and a test unit, wherein the transmitter is coupled between the TXD interface and a test unit input of the test unit, a first test unit output of the test unit is coupled to the CAN Bus interface, the CAN Bus interface is coupled to a receiver input of the receiver via the reducer, a second test unit output of the test unit is coupled to the receiver input of the receiver, the test unit is configured, in a first state, to couple the test unit input to the first test unit output and is configured, in a second state, to couple the test unit input to the second test unit output.

Can transceiver and method for the can transceiver

The present disclosure relates to a CAN transceiver, comprising: a transmit data, TXD, interface, a CAN BUS interface, a first control interface, a transmitter, and a control unit, wherein the transmitter comprises a first driver path coupled to the CAN bus interface and comprising a first series circuit including first and second switch units the transmitter comprises a second driver path coupled to the CAN bus and comprising a second series circuit including third and fourth switch units, the transmitter comprises a driver unit configured to control the first and third switch units based on a TXD signal, and the control unit is configured to control the switch units based on a first control signal at the first control interface and, if the first control signal represents a deactivation message, to deactivate at least one switch unit of each driver path.

CAN transceiver and method for the CAN transceiver

The present invention relates to a CAN module configured to be arranged between a CAN controller and a CAN transceiver. The CAN module received a TXD input signal from the CAN controller and is configured to transmit an TXD output signal to the CAN transceiver, wherein the TXD output signal is adapted by the CAN module to also comprising a test impulse. When monitoring the CAN BUS, the CAN transceiver will feed back an RDX signal to the CAN module and the CAN controller. The CAN module is configured to detect an error on the CAN transceiver or the CAN BUS depending on the transmitted test impulse and the test impulse received via the RDX signal. The present inventio also relates to a system comprising the CAN module and a method for the CAN module.

CAN module, CAN transceiver, CAN system and method for CAN module

The present invention relates to a CAN node being configured to predict, based on the at least one response message and a reference response, a fault of the CAN network and to determine a fault location of the predicted fault of the CAN network. The present disclosure also relates to a CAN system and a method for the CAN node.

Controller area network node, CAN system and method for the node

The present invention relates to a controller area network, CAN, transceiver comprising a monitoring unit configured to execute either a first process for detecting an error at the CAN signal lines or a different second process for detecting an error at the transceiver or the CAN signal lines depending on a mode of the CAN transceiver detected by the monitoring unit. The present invention also relates to a method for the CAN transceiver.

Controller area network transceiver and method for the transceiver

An apparatus comprising a first and second terminal configured to couple the apparatus to a first and second bus wire of a communication bus; a transceiver arrangement for communicating with one or more network nodes via the communication bus, the transceiver arrangement configured to provide and receive differential signalling according to a communication scheme to/from the communication bus, wherein the communication scheme defines at least a voltage to be used to provide said differential signalling; the apparatus configured to: based on a fault detection signal indicative of the occurrence of a fault in at least the communication bus, transmit a reconfiguration signal for the network nodes and wherein at least part of the reconfiguration signal has a high-voltage-level comprising a voltage higher than that defined in the communication scheme for said differential signalling; and wherein said reconfiguration signal is configured to cause the network nodes to switch single-ended signalling.

Controller area network apparatus with reconfiguration signalling

The disclosure relates to a transceiver device for communicating between a network protocol controller and a network bus, the transceiver device comprising: transceiver circuitry configured to transmit and receive data on the network bus using a first physical layer protocol; and monitoring circuitry configured to determine a measured property of the network bus, in which the transceiver device is configured to: determine whether the measured property indicates an error condition; and reconfigure the transceiver circuitry to transmit and receive data on the network bus using a second physical layer protocol in response to determining the error condition.

Transceiver device

A Controller Area Network (CAN) system, method, and circuit are provided with a dual mode bus line termination circuit connected between signal lines of a serial bus and optimized for both differential and single-ended communication modes over the serial bus, where the dual mode bus line termination circuit includes first and second resistance termination paths connected in parallel between first and second bus wires of the serial bus to provide an odd mode termination impedance (R) that matches an impedance of the serial bus when operating in the differential communication mode, and to also provide an even mode termination impedance (R) that matches an impedance of the serial bus when operating in the single-ended communication mode.

Controller area network termination scheme

The disclosure relates to a transceiver device, an electronic control unit and an associated method. The transceiver device is suitable for communicating between one or more network protocol controllers and a network bus and comprises: first interface circuitry configured to communicate with the one or more network protocol controllers; second interface circuitry configured to communicate with the one or more network protocol controllers; and selector circuitry configured to switch communication with the one or more network protocol controllers from the first interface circuitry to the second interface circuitry in response to a communication error in data carried on the first interface circuitry.

A communication device is configured to exchange regular data bidirectionally with counterpart communication device via a regular interface; and to exchange additional data bidirectionally with the counterpart device via an additional interface. The device has a regular pinout corresponding to the regular interface that enables communication of regular data with the counterpart device; and an additional pinout with at least one additional pin, corresponding to the additional interface that enables communication of additional data with the counterpart device. The device has default data handling circuitry communicatively coupled to the additional pin, and configured, in a default mode, to transmit and receive additional default data via the additional pin. The first device has additional function data handling circuitry communicatively coupled to the additional pin and configured, in an active mode, to transmit and receive additional function data via the additional interface.

Additional communication in standardized pinout of a bidirectional interface between a first and second communication device

Embodiments of a method and device are disclosed. In an embodiment, an in-vehicle network interface device includes a data port to send and receive data packets, a plurality of packet processing pipelines coupled to the data port, each to inspect a single data packet to determine an action to perform on the single data packet, and a safety module to receive the determined action from each packet processing pipeline and to select one of the determined actions to perform on the single data packet and to cause a selected one of the packet processing pipelines to perform the selected action.

Automotive packet data switch with pipeline diversity

The disclosure relates to a processing module and associated method for calibrating an object-detection system for a vehicle comprising a plurality of object-detection sensors. The method comprises receiving, from each of a plurality of the object-detection sensors, a value associated with the detection of a marker; and determining a position of each of the object-detection sensors with respect to the vehicle based on the received values associated with the detection of the marker.

Object-detection system calibration

Embodiments of a device and method are disclosed. In an embodiment, a network interface device is disclosed. The device includes a network interface configured to provide an interface to a network, a functional component interface configured to provide an interface to a functional component, and distributed test logic located in a path between the network interface and the functional component interface and configured to manage test information related to testing of the functional component and to communicate test information between the network interface and the distributed test logic and between the functional component interface and the distributed test logic.

Network interface device and method for operating a network interface device

A Controller Area Network (CAN) transceiver is disclosed. The CAN transceiver includes a CAN bus interface including CANH and CANL inputs, a TXDC interface, RXDC interface and a CAN bus diagnostics module coupled with the CAN bus interface. The CAN bus diagnostics module is configured to analyze the CAN bus interface to detect and error on the CANH and CANL inputs and send a diagnostics code predefined for the detected error to one of the TXDC interface and the RXDC interface.

Functional safety transceiver

A transceiver configured to send and receive data over a data bus is disclosed. The transceiver includes a communication port to connect to the data bus, a bus idle detector configured to detect when the data bus is idle, a TXDC interface configured to selectively receive and send data and an RXDC interface configured to send data. The transceiver also includes a switch controlled by an output of the bus idle detector. The switch is configured to cause the TXDC interface to be used for sending data out when the bus idle detector detects that the data bus is idle.

Growing community of inventors

Kranenburg, Germany

Lucas Pieter Lodewijk Van Dijk