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:
Mar. 12, 2024
Filed:
Sep. 14, 2022
Marvell Asia Pte Ltd, Singapore, SG;
Joseph Featherston, Boston, MA (US);
Aadeetya Shreedhar, Natick, MA (US);
Marvell Asia Pte Ltd, Singapore, SG;
Abstract
A circuit and corresponding method perform resource arbitration. The circuit comprises a pending arbiter (PA) that outputs a PA selection for accessing a resource. The PA is selection based on PA input. The PA input represents respective pending-state of requesters of the resource. The circuit further comprises a valid arbiter (VA) that outputs a VA selection for accessing the resource. The VA selection is based on VA input. The VA input represents respective valid-state of the requesters. The circuit performs a validity check on the PA selection output. The circuit outputs a final selection for accessing the resource by selecting, based on the validity check performed, the PA selection output or VA selection output. The circuit addresses arbitration fairness issues that may result when multiple requesters are arbitrating to be selected for access to a shared resource and such requesters require a credit (token) to be eligible for arbitration.