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:
Dec. 22, 2009
Filed:
Nov. 24, 2004
Applicants:
Tomoyuki Okawa, Kawasaki, JP;
Mie Tonosaki, Kawasaki, JP;
Masaki Ukai, Kawasaki, JP;
Inventors:
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cacheable memory access space receives memory access addresses having different data structures according to a status of a cache capacity from a processor. A cache hit detector determines whether data has been hit based on a mode signal, an enbblk [n] signal, and a signal indicating whether the way is valid or invalid, which are preset in the cache hit detector, a tag comparison address received from the cacheable memory access space, and a tag received from the storage unit.