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:
Sep. 12, 2000
Filed:
Mar. 19, 1998
Paul Miranda, Austin, TX (US);
Larry Hewitt, Austin, TX (US);
David Norris, Austin, TX (US);
James Bunnell, LaFayette, CO (US);
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Abstract
A USB host controller provides transaction type status signals indicating USB activity type. The status signals include a bulk status bit signal indicative of bulk activity on a USB, a control status bit signal indicative of control activity on the USB, an isochronous status bit signal indicative of isochronous activity on the USB and an interrupt status bit signal indicative of an acknowledged interrupt on the USB. In addition a programmable mask register is provided for masking any or all of the status bits. The status bits may be combined and provided as a single signal indicative of USB activity.