公开(公告)号：US20230379592A1

公开(公告)日：2023-11-23

申请号：US18318896

申请日：2023-05-17

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Wai-Shun SHUM ,  Amar VELLANKI ,  Jeffrey SKARZYNSKI ,  Gautham S. SIVASANKAR ,  Xingdong DAI ,  Venugopal CHOUKINISHI ,  Xiaofan FEI ,  Xin ZHAO

IPC: H04N23/90

CPC classification number: H04N23/90

Abstract: A system for relaying communication for a PHY/data link level communication protocol may include a first device having a first and second transceiver, the first transceiver having a first protocol controller configured to detect a first bus condition and second transceiver having a second protocol controller configured to detect a second bus condition and a switching matrix coupled to the first and second transceiver and configured to operate in a relaying mode to enable: the first protocol controller to control a physical layer of the second transceiver and enables the second protocol controller to control a physical layer of the first transceiver, a physical layer of a first transmitter of the first transceiver to receive an output of a second receiver of the second transceiver, and the physical layer of a second transmitter of the second transceiver to receive an output of a first receiver of the first transceiver.

公开(公告)号：US20190257866A1

公开(公告)日：2019-08-22

申请号：US16121259

申请日：2018-09-04

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Gautham S. SIVASANKAR ,  Tejasvi DAS ,  Emmanuel MARCHAIS ,  Amar VELLANKI ,  Leyi YIN ,  John L. MELANSON ,  Venugopal CHOUKINISHI

IPC: G01R25/00 ,  H03F3/183 ,  H03G3/30 ,  H03G3/00 ,  H04R3/00

Abstract: A method of determining a phase misalignment between a first signal generated from a first signal path and a second signal generated from a second signal path may include obtaining multiple samples of the first signal proximate to when the first signal crosses zero wherein the first signal can be approximated as linear; obtaining multiple samples of the second signal proximate to when the second signal crosses zero wherein the first signal can be approximated as linear; based on the multiple samples of the first signal, approximating a first time at which the first signal crosses zero; based on the multiple samples of the second signal, approximating a second time at which the second signal crosses zero; and determining the phase misalignment between the first signal and the second signal based on a difference between the first time and the second time.