Apparatus and method for data deskew

Details Apparatus and method for data deskew Apparatus and method for data deskew

2007-04-24

2007-04-24

Tran, Khanh (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

C370S517000

Reexamination Certificate

active

10397083

ABSTRACT:
A deskew circuit utilizing a coarse delay adjustment and fine delay adjustment centers the received data in a proper data window and aligns the data for proper sampling. In one scheme, bit state transitions of a training sequence for SPI-4 protocol is used to adjust delays to align the transition points.

REFERENCES:
patent: 6166573 (2000-12-01), Moore et al.
patent: 6259330 (2001-07-01), Arai
patent: 6304623 (2001-10-01), Richards et al.
patent: 6836166 (2004-12-01), Lin et al.
patent: 7031420 (2006-04-01), Jenkins et al.
Implementation Agreement: OIF-SP14-02.0; SPI-4 Phase 2; Title: System Packet Interface Level 4 (SPI-4) Phase 2: OC-192 System Interface for Physical and Link Layer Devices, dated Jan. 2001 (64 pgs).

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