Question

Redesign the Mealy Vending Machine (from the class lecture notes), to include an output for providing “Change” if more than 15 cents is received instead of giving credit, using only D flip flops and combinational logic.

Extra Credit Problem 6: 10 pts)_Redesign the Mealy Vending Machine (from the class lecture notes), to include an output for providing "Change" if more than 15 cents is received instead of giving credit, using only D flip flops and combinational logic. Binary (1, Q0) State Definition SO S1 5 cents deposited 01 S2 10 cents deposited 10 S3 N/A 0 cents deposited00 Inputs - Dime (D), Nickel (N) OutputsVend (V), Change (C) Your design should show a state transition diagram, state transition table, K-maps, and final equations for each flip flop and output

Answer 1

Solution ut us as ume,aany point only Coin Could be fnseded, &n put 60lbo So 100 O0 00 1,01→ Dins ebo output 10- end 01→change 11-Verd ooloo 10 10 inpt output ame tine Stota taansttion tabl os a

ttar Input Nast stat outpud (80)。 0 I 0 tma p 艮' SON ,ND

outputs vend o0 01 o D SID SIN chang C) N+D) 81 OR