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:
Jan. 19, 2010
Filed:
Sep. 02, 2005
Sunao Torii, Tokyo, JP;
Sunao Torii, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A technique for improving usage efficiency of a shared resource and improving processing capacity in an information processing apparatus, without increasing the transmission rate or the bit width of a bus is disclosed. Multiple bus interfaces are connected to at least one shared resource. The multiple bus interfaces are connected to a multi-layer bus respectively. Furthermore, data buffers for holding read data and write data respectively are provided for each bus interface. An arbiter arbitrates access requests from the respective bus interfaces, and the shared resource reads and writes data in response to the access request which has been given an access right.