Software programmable dynamic arbitration scheme

Details Software programmable dynamic arbitration scheme Software programmable dynamic arbitration scheme

2008-05-27

2008-05-27

Auve, Glenn A (Department: 2111)

Electrical computers and digital data processing systems: input/

Access arbitrating

Access prioritizing

C710S116000, C710S123000

Reexamination Certificate

active

07380040

ABSTRACT:
A method for arbitration among a plurality of requesting devices for a shared resource in which one device is an ultra high priority device grants access to one requesting device at a time. The ultra high priority device is granted access if it requests access interrupting access by another device. The ultra high priority device is limited to a selectable number of accesses and thereafter is masked for a selectable interval. This interval permits access may by other devices. Each of the other devices is also limited to a selectable number of accesses followed by re-arbitration. The other devices can have a normal priority or a time out priority if a request hasn't been granted in a selectable amount of time.

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