Patent ID: 11876641
Assignee: ROBERT BOSCH GMBH
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. A bus system, comprising:
a bus; and
at least two user stations that are connected to one another via the bus in such a way that they may communicate serially with one another, and of which at least one user station includes:
a transceiver device including:
a first terminal configured to receive a transmission signal from a communication control device,
a transmission module configured to transmit the transmission signal onto a bus of the bus system, in which bus system at least one first communication phase and one second communication phase are used for exchanging messages between user stations of the bus system,
a reception module configured to receive a signal from the bus, the reception module being configured to generate a digital reception signal from the signal received from the bus,
a second terminal configured to send the digital reception signal to the communication control device and to receive an operating mode changeover signal from the communication control device, and
a changeover feedback block configured to output feedback regarding a changeover of an operating mode that has taken place as a result of the operating mode changeover signal, the changeover feedback block being connected to the first terminal to output the feedback to the communication control device via the first terminal; and
the communication control device including:
a communication control module configured to generate the transmission signal for controlling a communication of the user station with at least one other user station of the bus system,
a first terminal for sending the transmission signal to the transceiver device;
a second terminal for receiving the digital reception signal from the transceiver device;
wherein the communication control device is configured to generate an additional signal that indicates to the transceiver device that a switch is to be made from a present operating mode into another operating mode of at least three different operating modes, and that achieves an internal communication between the communication control module and the transceiver device, and the communication control module is configured to send the additional signal, in the digital reception signal, to the transceiver device via the second terminal, and the communication control module is configured to receive, via the first terminal, feedback in the transmission signal from the transceiver device regarding a changeover of the operating mode that has taken place as a result of the operating mode changeover signal, and to evaluate the feedback.