2-way (Pipelined) Arbiter
CE-653 - Handshake Channel Design
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}Purpose
}Used to control access to shared resource in a pipelined design
}Approach
}Acknowledge of request not used to signify winner
}Instead, additional W channel used to identify who won
}Handshake on W simultaneously with acknowledging winning request
}Note
}Still may take exponential time
}In principle, this can use a two or four-phase protocol