Fixed-priority Bus Arbiter

Advanced

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Specification

01Operation

Requester zero has the highest priority.

Behavior

When no currently granted request remains active, the highest-priority request receives grant on the next edge.
A grant is held while its requester keeps requesting.
grant remains one-hot or zero.

02Interface

Signal	Direction	Width	Description
`clk, reset`	Input	1 bit	Clock and synchronous reset
`request`	Input	4 bits	Requests, bit 0 highest priority
`grant`	Output	4 bits	One-hot grant

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