Methods and apparatus for transceiver power noise reduction

摘要

Embodiments disclosed herein relate to apparatus and methods of transceiver power noise reduction. One embodiment relates to a method of serial data communication. At a transmitter, data may be encoded by a communication protocol encoder, and the protocol-encoded data may be serialized. The serialized data may be encoded for power-delivery-network noise reduction (PNR) so as to generate PNR-encoded serial data, and the PNR-encoded serial data may be driven onto a communication channel. Other embodiments, aspects, and features are also disclosed.

主权项

1. A method of serial data communication, the method comprising:
encoding data to be transmitted by a communication protocol encoder of a transmitter to generate protocol-encoded data; serializing the protocol-encoded data to generate serialized data; encoding the serialized data for power-delivery-network noise reduction (PNR) using a PNR encoder so as to generate PNR-encoded serial data; providing the serialized data to a first input of a first selector; providing the PNR-encoded serial data to a second input of the first selector; outputting the serialized data by the first selector when a first control signal indicates a first operating mode in which said encoding is disabled; outputting the PNR-encoded serial data by the first selector when the first control signal indicates a second operating mode in which said encoding is enabled; driving onto a communication channel the serialized data signal in the first operating mode and the PNR-encoded serial data signal in the second operating mode.