Boots – shoes – and leggings
Patent
1990-06-22
1993-11-23
Fleming, Michael R.
Boots, shoes, and leggings
395325, 364DIG1, 3642283, 3642287, 3642289, 364231, 3642327, 3642362, 3642426, 3642427, 3642428, 36424292, 36424294, G06F 1300
Patent
active
052652572
ABSTRACT:
A fast arbiter for handling a large number of types of resources with multiple instances of each type of resource is provided. During a first cycle a request logic circuit broadcasts a request for a preselected type of resource onto a broadcast medium. During a second cycle a grant logic circuit broadcasts a queue position onto the broadcast medium for the preselected type of resource. Also, during the second cycle the request logic circuit stores the queue position. After an asynchronous wait for an instance of the requested type of resource to become free, a third cycle begins wherein the first grant logic circuit broadcasts an indication that a free instance of the preselected type of resource is available. During a fourth cycle the requester is granted access to the free instance of the preselected type of resource.
REFERENCES:
patent: 4648029 (1987-03-01), Cooper et al.
patent: 4924380 (1990-05-01), McKinney et al.
patent: 4947368 (1990-08-01), Donaldson et al.
patent: 4953081 (1990-08-01), Feal et al.
patent: 4979099 (1990-12-01), Milia et al.
patent: 5142682 (1992-08-01), Lemay et al.
Simcoe Robert J.
Thomas Robert E.
Digital Equipment Corporation
Fleming Michael R.
Hafiz Tariq R.
Johnston A. Sidney
Young Barry N.
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