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Discuss the control words (ICWS) of IC8259.
The Intel 8259 is a single chip programmable interrupt controller. It is compatible with 8086, 8088 and 8085 microprocessor. It is a 28 -pin DIP I.C package and uses N-MOS technology.
8259 Control Word Initialization:
# CS
A0
Initialization
0
ICW1
1
ICW2, ICW3 and ICW4
x
Notaddressed
sketching of wire 1 is charged and wire 2 uncharged
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