Decentralized arbitration device for several processing units of a multiprocessor system
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United States of America Patent
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-
Apr 16, 1985
Grant Date -
N/A
app pub date -
Nov 4, 1981
filing date -
Nov 7, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The decentralized arbitration device of the invention comprises an arbitration unit associated with each processing unit. This arbitration unit comprises an individual elementary arbitrator and a level elementary arbitrator. Their outputs are connected to a comparator which compares their output signals with the code of the unit considered, which code is supplied by a coding identification circuit. The individual priority request terminals of the units in the same level are connected together and the level priority request terminals of all the units are connected together.
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