US 12,170,637 B2
Configurable transfer rates over a two-way ethernet link
Harivaden Parmar, Wokingham (GB)
Assigned to MARVELL ASIA PTE LTD, Singapore (SG)
Filed by Marvell Asia Pte Ltd, Singapore (SG)
Filed on Mar. 10, 2022, as Appl. No. 17/691,141.
Claims priority of provisional application 63/159,343, filed on Mar. 10, 2021.
Prior Publication US 2022/0294599 A1, Sep. 15, 2022
Int. Cl. H04L 5/14 (2006.01); H04L 67/00 (2022.01); H04L 67/12 (2022.01)
CPC H04L 5/14 (2013.01) [H04L 67/12 (2013.01); H04L 67/34 (2013.01)] 20 Claims
OG exemplary drawing
 
11. A method for data communication, comprising:
in a data-path module in an Ethernet Physical Layer (PHY) transceiver, the data-path module being coupled to a sensor and connected by a full-duplex Ethernet link of a communication network in a vehicle to a processor-transceiver that is coupled to a processor,
in an upstream direction to the processor-transceiver, transmitting data to the processor-transceiver over the Ethernet link at a selectable upstream data rate, and in a downstream direction from the processor-transceiver, receiving data from the processor-transceiver over the Ethernet link at a selectable downstream data rate; and
when the Ethernet PHY transceiver is operating in a field-operation mode for operating while the vehicle is operational, selecting the upstream data rate to be higher than the downstream data rate;
when the Ethernet PHY transceiver is operating in a diagnostic mode for performing a diagnostics procedure, the diagnostic mode being different from the field-operation mode, selecting the upstream data rate to be lower than the downstream data rate; and
configuring the data-path module to operate at the selected upstream data rate and the selected downstream data rate.