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:
Feb. 20, 1996
Filed:
May. 02, 1995
Applicant:
Inventor:
Takashi Tsukamoto, Kodaira, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Microcomputer Engineering Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395280 ; 395824 ; 364231 ; 364240 ; 3642402 ; 3642405 ; 364238 ; 364284 ; 3642842 ; 364259 ; 3642592 ; 364D / ;
Abstract
A microcomputer includes one or more registers therein. These registers are provided for defining a specific address area. When a processor unit in the microcomputer accesses an address in the specific address area, it acknowledges the access to change the bus width and/or bus cycle of the microcomputer dynamically.