Independent reset of arbiters and agents to allow for...

Details Independent reset of arbiters and agents to allow for... Independent reset of arbiters and agents to allow for...

2005-03-08

2005-03-08

Vo, Tim (Department: 2112)

Electrical computers and digital data processing systems: input/

Access arbitrating

C710S200000, C713S001000, C713S002000, C713S100000

Reexamination Certificate

active

06865633

ABSTRACT:
A system includes two or more agents and a distributed arbitration scheme for the bus to which the agents are connected. Thus, an arbiter corresponding to each agent is provided. The arbiters are reset using a first reset signal, while the agents are reset using a separate reset signal or signals. The arbiters are concurrently released from reset when the first reset signal is deasserted, and may have a consistent reset state to provide for synchronization of the arbiters. The agents may be independently released from reset by the separate reset signals. Accordingly, the arbiters may be synchronized and may remain synchronized even if the corresponding agents are released from reset at different times, or are temporarily held in reset for any reason.

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“Bus Arbiter With Synchronized Reset”; IBM Technical Disclosure Bulletin, vol. 33, No. 12; May 1991; pp. 451-453.

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