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:
Sep. 24, 2002
Filed:
Jul. 22, 1998
Applicant:
Inventor:
Masataka Watanabe, Niigata, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
In a current shared memory cycle, the memory access band value of each bus master is calculated at any time and discriminated to determine the next memory cycle control before completion of the current shared memory cycle, so that the minimum memory access band value required by each bus master is maintained with the result that the shared memory can be efficiently utilized. Thus, there is provided a shared memory control apparatus and a shared memory control method, capable of realizing a memory control of an excellent efficiency by maintaining the memory access band width per unit time, required by the master.