Description: Design of automatic vending machine control circuit based on verilog HDL:
There are 5 different kinds of goods to be sold. The price is A=1.00,B=1.50,C=1.80,D=3.10, and E= 5.00. Vending machine can accept RMB 1, 5 Angle, Angle of 1 three COINS (i.e. there are three kinds of input signals, IY IWJ, IYJ), and In a three paragraph 7 leds (two representative yuan, a representative Angle) show In total investment amount, the largest 9.90 yuan, if is greater than the value, the new into COINS will quit, select the goods of the input signal Ia, Ib, Ic, Id, In Internet explorer and a give up signal, the output indicator for Sa, Sb, Sc, Sd, Se respectively corresponding goods are sold, at the same time the output signal of the yuan, jiao represents change, each corresponding pulse represents the change of the corresponding COINS, the input and output signals are pulse signal is a fixed width.
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