Question

Why the lower order address bus is multiplexed with data bus? How they will be
de-multiplexed? With the help of figure explain demultiplexing of address/data
bus.
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Answer 1

Explanation:

The main reason of multiplexing address and data bus is to reduce the number of pins for address and data and dedicate those pins for other several functions of microprocessor. These multiplexed set of lines used to carry the lower order 8 bit address as well as data bus.