METHOD FOR HYBRID ARBITRATING A BUS

摘要

PURPOSE: A hybrid bus arbitration method is provided to reduce data transmission time and to improve data transmission efficiency. CONSTITUTION: A fixed priority method is applied between master groups which are grouped into at least one master which execute a same function. A bus arbitration method, through which bus using authority is able to be uniformly distributed, is applied between masters in each group. The bus arbitration method is one among round robin, TDMA, lottery bus methods. The priority of bus utilization is provided from a first mater group(130) to third master group(142) which are included in the master groups.