Question

NEW YOR 4. (25%) consider the folowing design reuremens A Parking Meter is to be designed for a street in Red Bank NI. A fixed-time parking is 75 cents. Meter can accept quarters (2Scents) and 1 dollar coins if sufficient amount of coins are inserted, a GREEN light turns on; moreover, more than 7S cents is inserted a CHANGEBACK signal is activated When an esternal TIME OUT input signal comes in (at the end of fised-time parking period, GREEN turns off and state machine goes back to lOLE NINT: After GREEN is ON, meter DOES NOT accept any coins: Only AND Only, TIME OUT input is checked Design the above Sequential circut using any type of tip fops a Draw the state diagram b. Draw the state table mplementation using as many fip-flops and digital gates as needed 25 e 25 So +50 e 25 7s

Answer 1

2皁clock gate is doob(ed cles total memy stale ycles(0os X 300) ニ 23-82 LPI cpo time orth sbuo clock cpo tme ast clock 汀 14 91X2 11185 26-82