Patent · US Expired

Decentralized arbitration device for several processing units of a multiprocessor system

US4511959A · kind A · utility

49Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 1981
Grant dateApr 16, 1985
Priority date
Expiry dateNov 4, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F13/378
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.