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:
Dec. 03, 2019
Filed:
Jan. 25, 2018
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Takashi Nakao, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A bus control circuit includes: a plurality of queues that each include a plurality of entries for storing data, a first read pointer, and a check pointer set to indicate a same entry as an entry indicated by the first read pointer, and each store data on a First in, First out basis; a plurality of first arbitration circuits that receive, in a divided manner, arbitration participation signals from the plurality of queues, each arbitrate the received plurality of arbitration participation signals, and each output one of the plurality of arbitration participation signals; a plurality of buffers that each store, on the First in, First out basis, the arbitration participation signals output from the respective first arbitration circuits; and a second arbitration circuit that arbitrates the arbitration participation signals output from the plurality of buffers and outputs an arbitration result signal corresponding to one of the plurality of queues.