| 摘要 |
PROBLEM TO BE SOLVED: To reconcile the flexible and appropriate arbitration of a bus and the avoidance of the complication of an apparatus constitution and an increase in apparatus cost and the like. SOLUTION: The data transfer processing apparatus is comprised of a common bus 1, a plurality of bus masters A1 to Z for transferring data by using the common bus 1, a bus arbiter 2 for arbitrating requests to use the common bus from the plurality of bus masters A1 to Z based on an order of priority which is set beforehand and a request switching means 4 for switching the order of priority between the bus masters A1, A2 which are included in the plurality of bus masters A1 to Z at timing according to a data transfer method using the bus masters A1, A2. COPYRIGHT: (C)2006,JPO&NCIPI
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