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8255 Programmable Peripheral Interface (PPI) Example :- Design the hardware and software needed to read the setting of a thumb-wheel switched (BCD encoded) and display
8255 Programmable Peripheral Interface (PPI) Example :- Design the hardware and software needed to read the setting of a thumb-wheel switched (BCD encoded) and display the number on a common-anode Seven Segment Display (SSD) using PPI for interfacing to port 84h
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