Microprocessor protected against parasitic interrupt signals

Details Microprocessor protected against parasitic interrupt signals Microprocessor protected against parasitic interrupt signals

2005-01-04

2005-01-04

Chan, Eddie (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Branching

Reexamination Certificate

active

06839834

ABSTRACT:
A microprocessor is for detecting an interrupt request during execution of a program, saving contextual data elements of the program being executed, sending an interrupt acknowledge signal, and jumping to an interrupt subroutine if the interrupt request is still present after saving the contextual data. Otherwise, the microprocessor resumes execution of the interrupted program.

REFERENCES:
patent: 4484271 (1984-11-01), Miu et al.
patent: 5822595 (1998-10-01), Hu
patent: 6708241 (2004-03-01), Futral
Short, Embedded Microprocessor System Design: An Introduction Using the Intel 80C188EB, 1998, Prentice-Hall, Inc., pp. 219-224, 467-470.

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