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Microprocessor Systems Winter 2009 Chapter 11 Interrupt Interface of 8088/8086 DR. Awni Itradat, 2009.

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Presentation on theme: "Microprocessor Systems Winter 2009 Chapter 11 Interrupt Interface of 8088/8086 DR. Awni Itradat, 2009."— Presentation transcript:

1 Microprocessor Systems Winter 2009 Chapter 11 Interrupt Interface of 8088/8086 DR. Awni Itradat, 2009

2   All sections are included….see page 576 DR. Awni Itradat, 2009

3 3 256 interrupts are supported by 8088/8086. They are Categorized into 5 Categories User defined

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18 18 HOMEWORK 1 FROM THE REVIEW PROBLEMS SECTION 11.1: 1, 3, 5 SECTION 11.2: 6, 7, 9, 11 SECTION 11.3: 13 SECTION 11.4: 16 DUE Date: Wed, April 15, 2009 section 1 (M, W) Sunday, April 19, section 2 (S, T, T)

19 19 Maximum Mode-External hardware interrupt.

20 20 Maximum Mode-External hardware interrupt (cont’d)

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22 External Hardware- Interrupt Sequence

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32 32 Block diagram of 82C59

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60 60 Example (cont’d) See chip select CS and A0 of the 8259

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63 63 IR4 followed by IR2

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65 65 Homework 2  Chapter 11  27, 30, 32, 34, 36, 37, 40, 51  Due to Monday, 18 May, 2009


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