The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2004
Filed:
Oct. 02, 2000
Alan S. Fiedler, Bloomington, MN (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
A serial data communication receiver includes a serial data input and a termination resistance, which is coupled to the serial data input and is variable over a range of termination resistance values. An equalizer circuit is coupled to the serial data input and has an equalized serial data output. First and second capture latch circuits are coupled to the equalized serial data output, within a phase-locked loop, and have first and second recovered data outputs, respectively. A termination resistance control circuit measures a data eye size of the equalized serial data output based on the first and second recovered data outputs over the range of termination resistance values and sets the termination resistance to one of the termination resistance values based on the measured data eye sizes.