BUS ARBITRATOR

摘要

The internal bus arbitrator comprises a peripheral equipment supervisor(10) for relaying a bus occupation request signal transmitted from peripheral equipments to a bus arbitrator, a bus arbitrator(20) for supervising bus status and for endowing privilege to bus occupation request signals transmitted from peripheral equipments, and a CPU supervisor(30) for requesting bus occupation to a CPU, for distributing bus occupation signal to peripheral equipments and for relaying bus occupation confirm signal to a CPU.