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:
Feb. 18, 2014
Filed:
Jan. 16, 2011
Applicants:
Chun-liang Chen, Hsinchu, TW;
Yi-le Yang, Hsinchu, TW;
Yu-cheng Lo, Taichung, TW;
Inventors:
Assignee:
JMicron Technology Corp., Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A USB device with a clock calibration function and a method for calibrating reference clocks of a USB device are provided. A USB 2.0 initial calibration is performed on the USB device in order to control an embedded oscillator (EMOSC) of the USB device to output a first reference clock compliance USB 2.0 specification and USB 3.0 specification during the initialization phase. After that, a USB 3.0 on-line calibration is performed on the USB device in order to control the EMOSC of the USB device to calibrate a second reference clock during a super-speed mode of USB 3.0 specification.