Patent · US Expired

Apparatus and method for data deskew

US7209531B1 · kind B1 · utility

37Cited by
5References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 2003
Grant dateApr 24, 2007
Priority date
Expiry dateJul 19, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L7/10
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.