May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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10-30
THE
x86 MICROPROCESSORS
10.3 | The Programmable Interrupt Controller (PIC) 8259
10.3.1 | Introduction
Before trying to understand the description and working of the programmable interrupt
controller (PIC), it will be worthwhile to read Section 8.1 to get a precise and clear
understanding of the mechanism of interrupts in general and also the specific details of
the interrupt structure of the 8086. This will go a long way in the understanding of the
use and functionality of this chip, which is dedicated to the management of the hardware
interrupts of the system.
Recollect that there are only two hardware interrupt lines for the 8086.
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