Serial interrrupt control system in a system in which a pluralit

Details Serial interrrupt control system in a system in which a pluralit Serial interrrupt control system in a system in which a pluralit

1996-09-25

1998-12-08

An, Meng-Ai T.

395740, 395551, G06F 946

Patent

active

058482784

ABSTRACT:
In an interrupt control system to be applied, especially, to a laptop or notebook type personal computer that can use an expansion unit, an interrupt encoder converts the leading edges of a plurality of interrupt signals into serial data and transfers the serial data to an interrupt decoder. The interrupt decoder converts the serial data into original parallel interrupt signals, and outputs these signals to a programmable interrupt controller. A bridge circuit generates an idle cycle of a secondary bus by detecting the idle cycle of a primary bus, and generates latch pulses for interrupt serial data of the secondary bus.

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