| 摘要 |
PURPOSE: A structure and method for a bus mediation in a multi master bus system is provided to supply a system bus structure for the right to use a system bus to each master in a system bus including a data bus transmission structure having two masters using an arbiter and supply an arbitration method by supplying a priority to each master board in the arbiter. CONSTITUTION: A bus arbiter(30) arbitrate the right to use a system bus(40) in a system having two masters(10,20). A main board(50) connects each system bus use right to the bus arbiter(30) and connects a system bus use approval signal from the bus arbiter(30). The signals are connected to the masters(10,20). A system bus use request signal(BR1) of the master(10) is connected to a system bus use request signal(BR2) of the master(20) and inputted to the bus arbiter(30).
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