The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 1999
Filed:
Jul. 31, 1997
Daniel Linzmeier, Wheeling, IL (US);
Kevin L Kloker, Palatine, IL (US);
Other;
Abstract
A serial arbitration system for arbitration between multiple processors (20, 21, 22) in a low power system has an arbitration line driven by each of the processors and received by each of the other processors. The arbitration lines (30, 31, 32) are coupled to arbitration ports (60, 61, 62, 63, 64) on each processor (20, 21, 22) numbered from zero for the driven arbitration port (60). Each of the processors (20, 21, 22) has a processor ID number, with a master processor (20) having ID zero. The arbitration line (30) driven by the master processor (20) is coupled to each other processor (21, 22) on the arbitration port (61', 62') numbered equal to the processor ID of that other processor (21, 22). The driven arbitration lines (31, 32) from the other processors (21, 22) are coupled to the arbitration ports (61, 62) on the master processor (20) corresponding to the processor ID of the driving processor (21, 22). Arbitration ports (63, 64) on the master processor (20) not driven by another processor (21, 22) are coupled to its arbitration line (30), while the remaining ports (63', 64') on the other processors (21, 22) are coupled to ground.