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. 18, 2021
Filed:
Jul. 11, 2018
Applicant:
Microchip Technology Incorporated, Chandler, AZ (US);
Inventors:
Jeffrey Hunt, Glendale, AZ (US);
Andrew Rogers, Tempe, AZ (US);
Assignee:
MICROCHIP TECHNOLOGY INCORPORATED, Chandler, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/26 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 1/266 (2013.01); G06F 13/4282 (2013.01); G06F 2213/0042 (2013.01);
Abstract
A universal serial bus (USB) hub includes detection circuits for a D− and a D+ connection of a USB port and a control circuit. The control circuit is configured to disable, detection circuits, respective impedances. After disabling the respective impedances, the USB hub is further configured to detect, at the detection circuits, respective values from the D+ connection and the D− connection. The USB hub is further configured to, based upon the respective values, switch the USB port between a device port configuration and a host port configuration.