Robust and scalable de-skew method for data path skew control

Details Robust and scalable de-skew method for data path skew control Robust and scalable de-skew method for data path skew control

2006-02-07

2006-02-07

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Clock, pulse, or timing signal generation or analysis

Correction for skew, phase, or rate

C370S503000, C375S368000

Reexamination Certificate

active

06996738

ABSTRACT:
A method for selectively deskewing data traveling through a bus in a network device is disclosed. Bit-level data is received from each data line of a plurality of data lines of the bus. Vertical line information is detected for the plurality of data lines to determine if there is a match with a training pattern. A skew distance is calculated once there is a match with the training pattern. Then, the plurality of data lines are bit aligned based on the skew distance.

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“POS-PHY™ Level 4, A Saturn Packet and Cell Interface Specification for OC192 Sonet/SDH and 10 Gigabit Ethernet,” PMC-Sierra, Inc., Interface Specification, No. 6, Feb. 2001, p 1-49.

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