Design a counter to count-down from 5 to 2 using 3 of D Flip-Flops Solution: The Truth Table: Present State Next State 11 Q2p Qlp Q0p Q2n Qin Qün D2=Σ( DI=Σ( ) and don't care X=Σ( ) and don't care X=Σ( ) and don't care X=Σ( DO-Σ( Using K-map to simplify the functions: K-map for D2: D2= Q1/00 K-map for D1: D1= K-map for D0: DO= The Design using iCircuit is: Q2 Q1/00 Q2 Qu00 Q2 D Flip-Flop Inputs D2 DI DO ) ) Qo Qo Qo Q1 Q1