Interrupt expander circuit

Details Interrupt expander circuit Interrupt expander circuit

G - Physics

06

F

354/230.84

G06F 9/46 (2006.01) G06F 13/26 (2006.01)

Patent

CA 1149069

TITLE AN INTERRUPT EXPANDER CIRCUIT ABSTRACT OF THE INVENTION An interrupt expander circuit provides for greatly enlarging the capacity of vectored interrupts in a microprocessor system. This circuit provides the capability for a very large number of peripheral devices to be connected to a microprocessor centeral processing unit via an interrupt structure while maintaining the same interface requirements between the interrupting peripheral devices and the micro- processor. This circuit provides a priority interrupt structure.

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