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State purpose of interfacing 8259(PIC) to 8086. Explain interfacing of 8086(minimum mode) and 8259 (single mode).
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5.6 years ago
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meghalikalyankar
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microprocessors and peripherals
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written
5.6 years ago
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meghalikalyankar
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2.2k
PIC 8259 is a Programmable Interrupt Controller that can work with 8085, 8086 etc. It is used to increase the number of interrupts.
A single 8259 provides 8 interrupts while a cascaded configuration of 1 master 8259 and 8 slave 8259s can provide up to 64 interrupts.
8259 can handle …
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