Interrupt Controller, Handler, Registers, ISR - service routine, VIC's vectored int controllers.

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Interrupt Controller Discussion.

Interrupt
Interrupt controller
Interrupt Handler
Interrupt Registers
VIC’s (Vectored Interrupt Controllers)
Non-Maskable Interrupts

Interrupt controller
An interrupt controller is an on chip device to manage interrupts from various different peripheral devices. These devices are generally connected through a bus sub-system driven by processor or in some cases Bus Master’s on chip.

Interrupt
An Interrupt is a request to processor to serve routines from peripherals in an out-of-turn basics.

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Pipeline vs. Parallel processing.

Vectored Interrupt controller mechanism is discussed in details below. Lets start with a detailed block diagram of VIC (Vectored Interrupt Controller).

Software subroutines which manages the execution of a program
in response to an interrupt are commonly know as interrupt handlers or Interrupt Service Routines (ISR).

Interrupts are generally implemented with a set of registers for each interrupt source.
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Computer Organization Topics:
Computer Introduction.
Building blocks - ALU, ACC, Pc, Registers, Stack Pointer, IR, timing and control unit.
Memory Organization.

Associative Cache Memory.
Introduction of Associative Cache
Block diagram of Associative Cache.
Address match circuitry Associative cache.
Hardware Architecture of Associative cache.

Interrupt controllers are widely used in industry for processor based design. The VIC approach is specific to a design where each interrupt gets a dedicated vector list. This technique eliminates source polling and widely known as Vectored Interrupt control scheme.

Following blocks from the above diagram are further discussed on this site.

Guide to Graduate studies in USA.

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