US 11,929,940 B1
Circuit and method for resource arbitration
Joseph Featherston, Boston, MA (US); and Aadeetya Shreedhar, Natick, MA (US)
Assigned to Marvell Asia Pte Ltd, Singapore (SG)
Filed by Marvell Asia Pte Ltd, Singapore (SG)
Filed on Sep. 14, 2022, as Appl. No. 17/932,084.
Claims priority of provisional application 63/395,947, filed on Aug. 8, 2022.
Int. Cl. G06F 13/36 (2006.01); H04L 47/783 (2022.01); H04L 47/80 (2022.01)
CPC H04L 47/783 (2013.01) [H04L 47/805 (2013.01)] 38 Claims
OG exemplary drawing
 
1. A circuit comprising:
a pending arbiter (PA) configured to output a PA selection for accessing a resource, the PA selection based on PA input, the PA input representing respective pending-state of requesters of the resource; and
a valid arbiter (VA) configured to output a VA selection for accessing the resource, the VA selection based on VA input, the VA input representing respective valid-state of the requesters, the circuit configured to (i) perform a validity check on the PA selection output and (ii) output a final selection for accessing the resource by selecting, based on the validity check performed, the PA selection output or VA selection output.