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:
Aug. 21, 2012
Filed:
May. 01, 2006
Giuseppe Visalli, Messina, IT;
Francesco Pappalardo, Paterno′, IT;
Giuseppe Visalli, Messina, IT;
Francesco Pappalardo, Paterno′, IT;
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
A cache memory system comprises a cache memory and a cache controller that receives a first address to access the cache memory. The cache controller includes a first address transformer receives the first address and to transform it into one first cache address; the first cache address is used for accessing the cache memory to retrieve a first part of a tag address portion. The cache controller includes a hit detector establishes an partial hit condition based on a comparison of the retrieved a first part of the tag address portion and a first predetermined part of the first address, and a second address transformer receives the first address and to transform it into one second cache address. The cache controller uses the one second cache address for accessing the cache memory to retrieve a data word in case the partial hit condition is established.