Patent ID: 11870603
Assignee: NXP B.V.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A method for communicating between an electronic control unit (ECU) and a network bus connected to a dual mode bus termination circuit configured to support both first and second physical layer protocols over the network bus, comprising:
transmitting or receiving, by a transceiver device at the ECU, data on the network bus using either the first or second physical layer protocol; where the dual mode bus termination circuit comprises first and second resistance termination paths connected in parallel between first and second wires of the network bus to provide an odd mode termination impedance (RODD) that matches an impedance of the network bus when operating with the first physical layer protocol used to transmit or receive data over a Controller Area Network (CAN) bus using a differential communication mode, and to also provide an even mode termination impedance (REVEN) that matches an impedance of the network bus when operating with the second physical layer protocol used to transmit or receive data over the Controller Area Network (CAN) bus using a single-ended communication mode.