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:
Apr. 06, 2004
Filed:
Feb. 26, 2001
Hidemitsu Naya, Hitachi, JP;
Hideyuki Okamoto, Johoku, JP;
Koji Kawaki, Hitachinaka, JP;
Yuji Sugaya, Hitachinaka, JP;
Yuichiro Morita, Hitachi, JP;
Yoshitaka Takahashi, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A cache memory apparatus is provided with a cache memory for storing thereinto at least one of information about an instruction group related to a system control and information about a data group, an address managment table for managing both an address and a range with respect to the cache memory into which the information is stored, and a selection circuit for selecting the cache memory in response to an access to the address management table. As a result, information related to a system control is stored into the cache memory apparatus.