A multiprocessor LSI has a normal operation mode in which a standard process is executed by operating a plurality of mounted processor cores in parallel and a failure diagnosis mode in which a failure diagnosis process is executed by some of the processor cores and the standard process is continued by the other processor cores. The normal operation mode is transited to the failure diagnosis mode when an idling stop signal in an automobile having the multiprocessor LSI mounted is asserted, and the failure diagnosis mode is returned to the normal operation mode when the idling stop signal is negated.
INFORMATION PROCESSING APPARATUS AND LARGE SCALE INTEGRATED CIRCUIT
2017-06-01
Patent
Elektronische Ressource
Englisch
IPC: | G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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