ECET 340 Week 3 iLab 3

1
DEVRY ECET 340 Week 3 iLab 3

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  -340-week-3-ilab-3
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• OBJECTIVES
• To learn the basic operation of a keypad.
• To understand how to interface a keypad to a
  microprocessor.
• To learn how to program a keypad driver in C
  language.
• To learn how to program a keypad activated
  interrupt that identifies the key being pressed
  and displays or otherwise returns its value to
  the main program.