Automatic correction of data polarity on a differential...

Details Automatic correction of data polarity on a differential... Automatic correction of data polarity on a differential...

2008-05-29

2011-10-11

Tran, Khai (Department: 2611)

Pulse or digital communications

Receivers

Reexamination Certificate

active

08036314

ABSTRACT:
Methods and structure described herein provide for detecting data inversions between electronic devices in communication with one another and automatically correcting those that inversions. An electronic device may be configured with a receiver that is configured for receiving differential serial data from a transmitter of another electronic device. The differential serial data is formatted according to a particular communication protocol associated with the electronic devices. The receiver detects an invalid sequence in the received differential serial data, such as an inverted SAS primitive, and automatically change the receive logic of the receiver such that subsequent received differential serial data is in the proper polarity. The transmitting device does not require notification of the change in receive logic.

REFERENCES:
patent: 5877645 (1999-03-01), Comino et al.
patent: 7733980 (2010-06-01), Beukema et al.

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