Abstract: A circuit for a bus system. The circuit includes: a measuring circuit, which is configured to measure a first resistance value between two bus-side terminals of the circuit; an ascertainment circuit, which is configured to ascertain a second resistance value as a function of the first resistance value; and a resistive circuit, which is configured to set a resistor connectable between the two bus-side terminals to the second resistance value.

Abstract: A subscriber station for a serial bus system are provided. The subscriber station includes a message creating device for creating a message to be transmitted serially via a bus of the bus system for at least one further subscriber station of the bus system, so that the message has a first time segment and a second time segment, and a transceiver device for serially sending the message to the bus in such a way that data in the first time segment are sent with a slower data rate than in the second time segment, the transceiver device having in the second time segment at least at times an exclusive, collision-free access to the bus, the message creating device to insert an identification number into the first time segment and to begin the second time segment at the latest after the final bit of the identification number and an additional bit.

Abstract: A user station for a bus system and a method for transmitting a message at different bit rates in a bus system. The user station includes a transmitting stage for transmitting a message on a bus line of the bus system. The transmitting stage switches between a first operating mode and a second operating mode when transmitting different phases of a message. The transmitting stage, in the first operating mode, generates a first data state as a bus state having different bus levels for two bus wires of the bus line, and generates a second data state as a bus state having the same bus level for the two bus wires of the bus line. The transmitting stage, in the second operating mode, generates the first and second data state in each case as a bus state having different bus levels for the two bus wires of the bus line.

Abstract: A circuit for a bus system is provided. The circuit includes: an ascertainment circuit, which is configured to ascertain a first state in which an absolute difference of a voltage between two bus-side terminals is above a threshold value, to ascertain a second state in which the absolute value of the voltage between the two bus-side terminals is below the threshold value, to ascertain a bit boundary as a function of a number of state transitions between the first and second state, and to ascertain at least one time window, the start of which is situated before the bit boundary and the end of which is situated after the bit boundary; and a suppression circuit, which is configured to be activated when a state transition from the first state into the second state occurs within the ascertained time window.

Abstract: A subscriber station for a serial bus system. The subscriber station encompasses: a communication control device for controlling communication with at least one further subscriber station of the bus system; a transmission/reception device for receiving a message from a bus of the bus system, which message was created by the communication control device or by the at least one further subscriber station of the bus system and is being transferred on the bus; an interference detection unit that is configured to detect interference in the context of transfer of the message on the bus; and an interference processing unit that is configured to evaluate the interference detected by the interference detection unit in terms of the nature and magnitude of the interference, and to adapt communication control by the communication control device to the result of the evaluation of the interference.

Abstract: A transceiver device for a bus system. The transceiver device includes first and second bus terminals for connection to first and second signal line of the bus system, and a transmitting unit for outputting a bus transmission signal to the first and second bus terminals. The transceiver device includes an input connection for receiving a transmission input signal useable for controlling an operating state of the transmitting unit, and a detection device, which to detect the presence of a first predefinable condition and, if the first predefinable condition is present, to interconnect the first and second bus terminals via a predefinable electrical resistance for a predefinable first period of time.

Abstract: A transmission/reception device for a bus system, and a method for reducing conducted emissions, are provided. The transmission/reception device has a transmission stage that has a first and a second transmission block, the first transmission block being configured to transmit a transmitted signal onto a first bus wire of a bus of the bus system, in which bus system exclusive, collision-free access by a subscriber station to the bus of the bus system is at least temporarily guaranteed, and the second transmission block is configured to transmit the transmitted signal onto a second bus wire of the bus; a reception stage for receiving the bus signal transferred on the bus wires; and an emissions reduction unit for controlled switching in of a capacitance unit in parallel with the second transmission stage in order to reduce conducted emissions of the transmission/reception device.

Abstract: A transceiver device for a bus system. The transceiver device includes a first bus terminal for connection to a first signal line of the bus system, a second bus terminal for connection to a second signal line of the bus system, and a receiving unit for receiving a bus receive signal from the first and second bus terminals. The transceiver device is designed to interconnect the first and second bus terminals via a predefinable electrical resistance for a predefinable first period of time. The predefinable first period of time is selectable as a function of at least one parameter of the receiving unit.

Abstract: A transceiver device for a bus system and a method for reducing conducted emissions. The transceiver device has a transmitting stage for transmitting a transmit signal to a first bus wire of a bus of the bus system, in which bus system an exclusive, collision-free access of a user station to the bus of the bus system is at least temporarily ensured, and for transmitting the transmit signal to a second bus wire of the bus, a receiving stage for receiving the bus signal transmitted on the bus wires, and an emission reduction unit for controlling a switch-on path of a first stand-off device in the transmitting stage as a function of whether or not a dominant stage of the transmit signal occurs.

Abstract: An oscillation reduction unit for a bus system. The oscillation reduction unit has two transistors, which are situated anti-serially between a first bus wire of a bus of the bus system and a second bus wire of the bus, in which bus system an exclusive, collision-free access of a user station to the bus of the bus system is at least temporarily ensured, and a time control block for switching the two transistors and designed to switch on the two transistors while a signal on the first and/or second bus wire and/or a transmission signal, from which the signals on the first and/or second bus wire are generated, changes from a dominant state to a recessive state, and designed to switch off the two transistors if the signal on the first and/or second bus wire and/or the transmission signal is/are switched into the recessive state.

Abstract: A subscriber station for a serial bus system is described. The subscriber station includes a communication control device for generating a message to serially transmit on the bus system, and/or for reading a message that has been serially received by the subscriber station on the bus system. The communication control device is configured to decide whether there exists, for aborting a serial transmission of the frame onto the bus line which is currently being carried out, an abortion criterion according to which a serial transmission of a higher-priority frame for a message is more important than the serial transmission of the frame onto the bus line which is currently being carried out, and to provide in the frame currently being serially transmitted, on the basis of the decision that has been made, a signalization as to whether or not the frame currently being serially transmitted is to be aborted.

Abstract: A transceiver for a CAN bus system and a method for reducing line-associated emissions. The transceiver includes a transmitter for transmitting a transmitted signal to a first bus wire of a bus of the bus system, and for transmitting the transmitted signal to a second bus wire of the bus, the bus system being ensured exclusive, collision-free access of a subscriber station to the bus of the bus system at least temporarily; a receiver for receiving the bus signal transmitted on the bus wires; and an emissions reduction unit which is configured to control the signals for the bus wires on the basis of a measured level of a differential bus voltage of the signals on the bus wires, when a dominant state of the transmitted signal occurs.

Abstract: A transceiver for a CAN bus system and a method for detecting a short circuit using a CAN transceiver. The transceiver includes a transmitter for transmitting a transmission signal to a first bus wire of a bus of the bus system, exclusive, collision-free access to the bus of the bus system of a user station being at least temporarily ensured in the bus system, and for transmitting the transmission signal to a second bus wire of the bus, a receiver for receiving the bus signal transmitted on the bus wires, and a diagnostic unit for detecting a short circuit in the bus system, the diagnostic unit being designed to carry out a diagnosis only in a predetermined communication phase of the bus signal.

Abstract: A transceiver component, according to a transfer protocol: receives output for a bus at an input connected to a first pin of a microcontroller; and transmits input for the microcontroller from the bus to an output connected to a second pin of the microcontroller. A transceiver: receives the output from the input and transmits it via the bus; and receives the input from the bus and transmits it via the output. According to the protocol, the transceiver component: receives data for a function, that a device of the transceiver component is designed to perform, via the input; and/or transmits data for the function via the output. The transceiver component includes a bus controller that includes: a communication input that is connectable to an output of the transceiver for receiving the data; and/or a communication output that is connectable to another input of the transceiver for transmitting the data.

Abstract: A method for communicating between a microcontroller and a transceiver component. The microcontroller includes a first pin for transmitting output data to the transceiver component. The microcontroller includes a second pin for receiving input data from the transceiver component, which includes a first input for receiving the output data. The transceiver component includes a first output for transmitting the input data. The transceiver component includes an interface for a data bus. The transceiver component transmits output data via the interface and receiving input data via the interface. The transceiver component includes an additional function device with a second input and a second output. Additional data are at least intermittently transferred from the first pin to the second input via the first input, and/or from the second output via the first output to the second pin. A device and a computer program via which this method may be carried out.

Abstract: A circuit and a method are described for generating differential voltages.

Abstract: A subscriber station for a serial bus system is described. The subscriber station includes a communication control device for generating a message to serially transmit on the bus system, and/or for reading a message that has been serially received by the subscriber station on the bus system. The communication control device is configured to decide whether there exists, for aborting a serial transmission of the frame onto the bus line which is currently being carried out, an abortion criterion according to which a serial transmission of a higher-priority frame for a message is more important than the serial transmission of the frame onto the bus line which is currently being carried out, and to provide in the frame currently being serially transmitted, on the basis of the decision that has been made, a signalization as to whether or not the frame currently being serially transmitted is to be aborted.

Abstract: A subscriber station for a bus system and a method for reducing line-related emissions in a bus system are provided. The subscriber station includes an edge controller for symmetrizing switching edges in the bus system. The edge controller includes an element for generating a setpoint voltage characteristic on a bus in the bus system and a current mirror for transmitting the generated setpoint voltage characteristic to the bus.

Abstract: A device and a method for selectively hiding bus oscillations upon data reception via a bus system. The device encompasses a monitoring element for monitoring a difference of the bus signal on a bus line of the bus system, and a masking element for masking oscillations of the bus signal for a predetermined masking time if the monitoring result of the monitoring element indicates that oscillations of the bus signal following a transition of the bus signal from a dominant to a recessive state exceed at least one predetermined threshold value.

Abstract: A subscriber station for a serial bus system are provided. The subscriber station includes a message creating device for creating a message to be transmitted serially via a bus of the bus system for at least one further subscriber station of the bus system, so that the message has a first time segment and a second time segment, and a transceiver device for serially sending the message to the bus in such a way that data in the first time segment are sent with a slower data rate than in the second time segment, the transceiver device having in the second time segment at least at times an exclusive, collision-free access to the bus, the message creating device to insert an identification number into the first time segment and to begin the second time segment at the latest after the final bit of the identification number and an additional bit.