Keyboard & Display
Transcript of Keyboard & Display
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Keyboard / Display - 8279SNS COLLEGE OF ENGINEERING* The INTEL 8279 is specially developedfor interfacing keyboard and display devicesto 8085/8086 microprocessor basedSystem. 1S.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 System.Features of 8279* Simultaneous keyboard and display Operations•Scanned keyboard mode• Scanned sensor mode•8-character keyboard FIFO• 1 6-character display
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SNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 2
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Important BlockSNS COLLEGE OF ENGINEERING•Keyboard section• Display section• Scan section S.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 • Scan section• CPU interface section 3
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SNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 4
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SNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 5
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Important BlockSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 6
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Display SectionSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 7
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Scan SectionSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 8
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CPU Interface SectionSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 9
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CPU Interface SectionSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 10
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Command wordSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 11
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Command word for KeyboardSNS COLLEGE OF ENGINEERINGS.NATARAJAN/MPMC/I/O & MEMORY INTEFACING / unit -3 12