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Interrupt Controller

Interrupt Controller. Introduction to 8259. Poll Method. Interrupt Method. Features of 8259. 8086, 8088 Compatible MCS-80 , MCS-85 Compatible Eight-Level Priority Controller Expandable to 64 Levels Programmable Interrupt Modes Individual Request Mask Capability

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Lect 14: Interrupt and Exception

Lect 14: Interrupt and Exception. Types of Interrupts and Exceptions. Interrupt service routine: See Fig 12.1 up to 256 Interrupts Interrupt types and their priority External HW interrupts Non maskable interrupt SW interrupts Internal Interrupts and exceptions

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