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:
Mar. 04, 2008
Filed:
Dec. 02, 2004
Michael N. Derr, El Dorado Hills, CA (US);
John Howard, Portland, OR (US);
Darren Abramson, Folsom, CA (US);
Leslie E. Cline, Sunnyvale, CA (US);
Rob Strong, Folsom, CA (US);
Michael N. Derr, El Dorado Hills, CA (US);
John Howard, Portland, OR (US);
Darren Abramson, Folsom, CA (US);
Leslie E. Cline, Sunnyvale, CA (US);
Rob Strong, Folsom, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
A circuit for monitoring future Universal Serial Bus (USB) activities is described. Specifically, the circuit may comprise a Direct Memory Access (DMA) engine schedule prefetcher. The DMA engine schedule prefetcher accesses linked list schedule structures in main memory. The structures are checked for future frames where the linked list has USB activity scheduled. A periodic DMA engine subsequently accesses main memory only during frames where USB traffic is scheduled.