U.S. Philips Corporation

Jose A De Oliveira

Frederik Zandveld

Hendrik A Klap

A data processor, includes a central processing unit, an interrupt handler for selectingly signalling a single interrupt vector to the central processing unit, and multiple interrupt sources that are daisy-chained to the interrupt handler, for therewith exchanging interrupt request signals and interrupt acknowledge signals. A Bus (or buses) interconnects all above subsystems. The interrupt handler communicates a read vector command to all interrupt sources in parallel and thereupon allows transmitting an actual interrupt address vector on the bus.

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Sunnyvale, CA, United States of America

Jose A De Oliveira