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:
Jan. 15, 2002
Filed:
May. 13, 1999
Masahiro Yasue, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
An arbitrator provided to a processor element requests the utilization of a bus sends a bus request signal and a bus request value according to a priority level of the processor element to the bus, determines the priority of utilizing the bus in accordance with utilizing situation of the bus and the priority level of the processor element. Since a common bus arbitrating circuit connected to the bus watches the bus and determines a processor element to utilize the bus according to the utilizing situation of the bus and the priority level of the processor elements requesting the utilization of the bus, the bus arbitration can be performed with high speed, and an increase of communication speed between the processor elements through a single bus can be realized.