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. 23, 2014
Filed:
Sep. 12, 2011
Applicant:
Chuan Lin, Beijing, CN;
Inventor:
Chuan Lin, Beijing, CN;
Assignee:
Wuxi Vimicro Corporation, Jiangsu, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/362 (2006.01); G06F 13/18 (2006.01); G06F 13/16 (2006.01);
U.S. Cl.
CPC ...
G06F 13/16 (2013.01); G06F 13/18 (2013.01);
Abstract
Method, system, bus arbitration device for accessing a memory are described. According to one embodiment, priorities of N function modules accessing the memory are compared to obtain location information of a function module with the highest priority. A bus of the function modules accessing the memory is switched to the function module with the highest priority by performing logic operation on the location information and bus information of each function module. Further, a bus arbitration device including a priority arbitration unit and a bus switching unit is described.