In the bus constitution in an information processing unit for transferring data between a bus-master and bus-slave via a plurality of buses, if a fault occurs in a bus when data is transferred between the bus-master and bus-slave via the buses and the H side fault detection/reporting circuit of...http://www.google.de/patents/US5717852?utm_source=gb-gplus-sharePatent US5717852 - Multiple bus control method and a system thereof
