Port_Interfacing

Port_Interfacing - I/O Interfacing May be classified as...

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I/O Interfacing May be classified as: Isolated I/O; Memory mapped I/O. Instructions: IN accumulator, source; OUT destination, OUT destination, accumulator.
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Basic I/O Interfaces
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Deboucing Mechanical switches bounce when they are actuated A circuit is actuated. A circuit is needed to ensure that the output of the switch provides a single transition upon the switch actuation, instead of a sequence of transitions. This circuit is called a circuit is called a debouncer.
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Port Example 16 bits output port decoded at addresses decoded at addresses 40H and 41H. It used two latches (74ALS374) and a 16L8 used to decode the addresses the addresses.
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