Solid state data processor with versatile multisource interrupt

Details Solid state data processor with versatile multisource interrupt Solid state data processor with versatile multisource interrupt

1997-09-18

2000-08-01

Auve, Glenn A.

Electrical computers and digital data processing systems: input/

Interrupt processing

Handling vector

710 50, G06F 948

Patent

active

06098144&

ABSTRACT:
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.

REFERENCES:
patent: 5481725 (1996-01-01), Jayakumar et al.
patent: 5511200 (1996-04-01), Jayakumar et al.
patent: 5659760 (1997-08-01), Enami
patent: 5745772 (1998-04-01), Klein

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