Abstract: A circuit is provide comprising a first input coupled to a transmit data input of a bus transceiver; and a first output coupled to a bus. The circuit is configured to be coupled in parallel with the bus transceiver. The circuit is further configured to, in response to a dominant to recessive transition on the transmit data input, lower an impedance of the bus.

Abstract: A Controller Area Network, CAN, device, (400) is described that includes: a CAN transmitter (430) connected to two CAN bus terminals (401, 402) of the CAN device (400); a receiver circuit (450) operably coupled to the two CAN bus terminals (401, 402) of the CAN device (400); and a controller (432) connected to the CAN transmitter (430). The controller (432) is configured to: determine whether the CAN device (400) is operating as a transmitter node or a receiver node; detect a transition of the CAN device (400) from a dominant state to a recessive state; and in response to detecting both a transition of the CAN device (400) from the dominant state to the recessive state, and the determination of whether the CAN device (400) is operating as a transmitter node or a receiver node, control an output impedance of the CAN transmitter (430) to be within an impedance value range whilst a differential driver voltage on a CAN bus (104, 304, 404) connected to the CAN device (400) decreases to a predefined voltage.

Abstract: A Controller Area Network, CAN, device, (400) is described that includes: a CAN transmitter (430) connected to two CAN bus terminals (401, 402) of the CAN device (400); a receiver circuit (450) operably coupled to the two CAN bus terminals (401, 402) of the CAN device (400); and a controller (432) connected to the CAN transmitter (430). The controller (432) is configured to: determine whether the CAN device (400) is operating as a transmitter node or a receiver node; detect a transition of the CAN device (400) from a dominant state to a recessive state; and in response to detecting both a transition of the CAN device (400) from the dominant state to the recessive state, and the determination of whether the CAN device (400) is operating as a transmitter node or a receiver node, control an output impedance of the CAN transmitter (430) to be within an impedance value range whilst a differential driver voltage on a CAN bus (104, 304, 404) connected to the CAN device (400) decreases to a predefined voltage.

Abstract: Embodiments of a device and method are disclosed. In an embodiment, a CAN device is disclosed. The CAN device includes a transmit data (TXD) input interface, a TXD output interface, a receive data (RXD) input interface, an RXD output interface and a traffic control system connected between the TXD input and output interfaces and between the RXD input and output interfaces. The traffic control system is configured to detect the presence of classic CAN traffic on the RXD input interface and if the presence of classic CAN traffic is detected on the RXD input interface, emulate an error management protocol of a classic CAN controller in response to signals received on the TXD input interface.

Abstract: A circuit is provided for ringing suppression. The circuit comprises a termination resistor coupled to a bus via a switch; and a control circuit. The control circuit comprises an input coupled to a data input pin of a bus transceiver and an output coupled to control the termination resistor. The circuit is configured to selectively couple the resistor to the bus in response to a transition on the input bit stream.

Abstract: A circuit is provide comprising a first input coupled to a transmit data input of a bus transceiver; and a first output coupled to a bus. The circuit is configured to be coupled in parallel with the bus transceiver. The circuit is further configured to, in response to a dominant to recessive transition on the transmit data input, lower an impedance of the bus.

Abstract: A circuit is provided for ringing suppression. The circuit comprises a termination resistor coupled to a bus via a switch; and a control circuit. The control circuit comprises an input coupled to a data input pin of a bus transceiver and an output coupled to control the termination resistor. The circuit is configured to selectively couple the resistor to the bus in response to a transition on the input bit stream.

Abstract: Embodiments of a system and method are disclosed. One embodiment is a Controller Area Network (CAN) transceiver. The CAN transceiver includes a CAN bus interface, a TXD interface, an RXD interface, a transmitter connected between the TXD interface and the CAN bus interface, a receiver connected between the RXD interface and the CAN bus interface, a traffic control system connected between the CAN bus interface, the TXD interface, and the RXD interface. The traffic control system detects the presence of CAN Flexible Data-rate (FD) traffic on the CAN bus interface and if the traffic control system detects the presence of CAN FD traffic on the CAN bus interface, the traffic controls system changes an operating state of the transceiver.

Abstract: Embodiments of a device and method are disclosed. In an embodiment, a CAN device is disclosed. The CAN device includes a TXD input interface, a TXD output interface, an RXD input interface, an RXD output interface, and a traffic control system connected between the TXD input and output interfaces and between the RXD input and output interfaces. The traffic control system is configured to detect the presence of CAN Flexible Data-rate (FD) traffic on the RXD input interface and if the traffic control system detects the presence of CAN FD traffic on the RXD input interface, disconnect the RXD input interface from the RXD output interface and disconnect the TXD input interface from the TXD output interface.

Abstract: Embodiments of a device and method are disclosed. In an embodiment, a CAN device is disclosed. The CAN device includes a TXD input interface, a TXD output interface, an RXD input interface, an RXD output interface, and a traffic control system connected between the TXD input and output interfaces and between the RXD input and output interfaces. The traffic control system is configured to detect the presence of CAN Flexible Data-rate (FD) traffic on the RXD input interface and if the traffic control system detects the presence of CAN FD traffic on the RXD input interface, disconnect the RXD input interface from the RXD output interface and disconnect the TXD input interface from the TXD output interface.

Abstract: A transceiver includes a transmit pin configured to receive a signal from a microcontroller, a receive pin configured to transmit a signal to the microcontroller, at least one bus pin configured to transmit and receive signalling to or from the network, a wake-up detector, an acknowledge and/or wake-up generator, and at least one switch is operable to put the transceiver in a first mode of operation. In the first mode of operation the transmit pin is connected to the wake-up detector, and the wake-up detector is configured to activate a wake-up code in accordance with configuration information received at the transmit pin, and the receive pin is connected to an acknowledge and/or wake-up generator, which is configured to provide an acknowledge and/or wake-up signal to the receive pin based on a comparison of actual configuration information stored in the transceiver with the received configuration information from the transmit pin.

Abstract: Embodiments of a system and method are disclosed. One embodiment is a Controller Area Network (CAN) transceiver. The CAN transceiver includes a CAN bus interface, a TXD interface, an RXD interface, a transmitter connected between the TXD interface and the CAN bus interface, a receiver connected between the RXD interface and the CAN bus interface, a traffic control system connected between the CAN bus interface, the TXD interface, and the RXD interface. The traffic control system detects the presence of CAN Flexible Data-rate (FD) traffic on the CAN bus interface and if the traffic control system detects the presence of CAN FD traffic on the CAN bus interface, the traffic controls system changes an operating state of the transceiver.

Abstract: In order further to develop a method for changing over a serially networked system (100), in particular a serial databus system, from subnetwork operation (T), in which at least one node (22, 28) and/or at least one user (32, 38) of the system (100) is in a state of reduced current consumption and is not addressed and/or not activated by the signal level (40, 42, 44) of the data traffic on the system (100), to full network operation (G), in which all the nodes (20, 22, 24, 26, 28) and/or all the users (30, 32, 34, 36, 38) of the system (100) are addressed and/or activated by the signal level (46, 48) of the data traffic on the system (100), together with a corresponding system (100) in such a way that the nodes (22, 28) and/or the users (32, 38) in the network, i.e.

Abstract: A transceiver includes a transmit pin configured to receive a signal from a microcontroller, a receive pin configured to transmit a signal to the microcontroller, at least one bus pin configured to transmit and receive signalling to or from the network, a wake-up detector, an acknowledge and/or wake-up generator, and at least one switch is operable to put the transceiver in a first mode of operation. In the first mode of operation the transmit pin is connected to the wake-up detector, and the wake-up detector is configured to activate a wake-up code in accordance with configuration information received at the transmit pin, and the receive pin is connected to an acknowledge and/or wake-up generator, which is configured to provide an acknowledge and/or wake-up signal to the receive pin based on a comparison of actual configuration information stored in the transceiver with the received configuration information from the transmit pin.

Abstract: The invention relates to an integrated circuit having a system base chip of the kind usually provided for performing transmitting and/or receiving functions at a node that is coupled to a vehicle data bus. In an example embodiment, there is an integrated circuit having a system base chip that has basic functions for a transmitting and/or receiving system for a vehicle data bus, namely at least a system voltage supply, a system reset and a monitoring function An interface circuit that, in a self-contained fashion, runs at least parts of a data bus protocol, and in particular, the LIN (Local Interconnect Network) protocol, that performs detection of the bit-rate of received data, and that is capable of passing on at least one received or transmitted byte. A serial/parallel converter makes use in its conversion of the bit-rate detected by the interface circuit.

Abstract: To enable a method and a base chip (200) for monitoring, by means of at least one base chip (200), the operation of at least one microcontroller unit (300) that is intended for at least one application and is associated with a system (100) to be further developed in such a way a reset of the microcontroller unit (300) only takes place under defined conditions, it is proposed that a reset (R) of the microcontroller unit (300) is caused if at least one special sequence, and particularly at least one drive or access sequence assigned to the reset operation (R), is applied to the base chip (200).

Abstract: Networks on board of vehicles have to provide a rapid data throughput, and be still inexpensive and electromagnetically compatible (EMC). An interface (100, 110) comprising at least one physical layer and a method for transmitting at least one bit to at least one two-wire bus (10, 12), in particular to at least one C[ontroller]A[rea]N[etwork] bus, for example based on the ISO 11898 standard, are disclosed. It is proposed that the transmission takes place on the basis of the L[ocal]I[nterconnect]N[etwork] protocol. The same technology can be implanted in a device or a circuit arrangement.

Abstract: In a bus system with a low-power phase, in which bus members are in a state of reduced current consumption and leave this state when the bus lines (1, 2) are active for a longer period than a predetermined time interval, the function of the bus in the low-power phase is monitored in that a first participant (3) cyclically transmits at least one pulse on the bus during the low-power phase, which pulse has a duration that is shorter than the predetermined time interval and is received and evaluated at least by a second bus member (4) for the purpose of monitoring the bus lines (1, 2).

Abstract: To improve a method as well as a circuit arrangement (100) for detecting the ground offset of parts of a network system, more particularly for checking the ground contact between network control units where data are sent and received over at least one bus system so that, on the one hand, prior to a breakdown event already a warning can be obtained in this respect that the state of the ground connection between the control units is no longer optimal but, on the other hand, ground defects are not shown by mistake, there is proposed 'a! that in the idle state at least one bus line provided for receiving data and/or of at least one receiver line (24), after a predefinable first time period has elapsed, the level voltage (14) of this at least one bus line is scanned and compared with at least one predefinable limit or reference potential value, 'b! in that if the limit or reference potential value is exceeded, at least one ground error signal is generated, and 'c! in that in dependence on the fact whether until a

Abstract: To further develop a method and a chip unit (30) for addressing and/or activating at least one user (40) that is associated with at least one data base (10), in particular at least one C[ontroller] A[rea] N[etwork] bus, and is intended to carry out at least one application, in such a way that individual users (40) on the network, i.e. individual users (40) on the data bus (10), can be woken selectively and in a targeted manner so that individual subnetworks can be formed in this way as and when required without the need for the whole network to be woken up, it is proposed that in the event of at least one incoming message occurring on the data bus (10), at least one protocol controller unit (42) associated with the user (40) is supplied with voltage first.