Arbitration method of a bus bridge

Details Arbitration method of a bus bridge Arbitration method of a bus bridge

2005-05-19

2008-10-07

Auve, Glenn A. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S243000

Reexamination Certificate

active

07433989

ABSTRACT:
A bus bridge interfaces a primary-side bus with a plurality of secondary-side buses. The primary side bus is a local bus in a system and the secondary-side buses are external buses connected to the system. The bus bridge supports a plurality of kinds of operations one of which is an operation related to a serial bus in accordance with IEEE1394. An access right is given equally to each of the secondary-side buses, when access demands to the primary-side bus are lodged from more than two of the secondary side buses at the same time, by not giving a priority to any one of the secondary side buses.

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“Computer system for allowing sequential access in response to multiple requests for common bus” (Derwent-Acc-No: 1998-021139, Inventor: MacLaren et al., hereinafter MacLaren).
“round robin”, a definition from Whatis.com, p. 1.

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