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4. Design a Priority Multiplexer (PM) so that it will connect, on request, the appropriate lines OA, OB, Oc, or Oc from any one of
4. Design a Priority Multiplexer (PM) so that it will connect, on request, the appropriate lines OA, OB, Oc, or Oc from any one of four devices to a system output line SYSout subject to the following priority schedule: Device A First (Highest Priority) Device B Second Priority Device C Third priority Device D Fourth (lowest) Priority The priority multiplexer receives device request signals on lines RA, RB, Rc, RD and sends back to the devices signals SA, SB, Sc, or SD indicating that a given device request was accepted. The PM must have an active low system enable. Use 2-to-4 decoder, 4-to-1 Multiplxer and a priority encoder. OA OB OC OD Priority Multiplexe RA RB SD SC SB SA RD
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