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:
May. 23, 2023
Filed:
Jan. 06, 2022
Applicant:
Megachips Corporation, Osaka, JP;
Inventor:
Yongwi Kim, Chiba, JP;
Assignee:
MEGACHIPS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 3/24 (2006.01); H04L 7/00 (2006.01); H03L 7/08 (2006.01); H03K 5/13 (2014.01); H03L 7/093 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H04L 7/0025 (2013.01); H03K 5/13 (2013.01); H03L 7/0807 (2013.01); H03L 7/093 (2013.01); H03K 2005/00052 (2013.01);
Abstract
A clock and data recovery circuit includes a phase detector that outputs phase characteristic data based on a digital data signal and an adjustment circuit that adjusts phase characteristic data. The clock and data recovery circuit sets an adjustment value in an adjustment circuit by calculating an adjustment value of phase characteristic data using a monitor circuit while changing a phase of a reference clock signal to be adjusted in a phase interpolation circuit based on offset data output from an offset output circuit in a training period before communication starts.