自动售货机控制系统VHDL有限状态机实现 利用VHDL可以避免繁琐的过程，直接利用状态转换图进行状态机的描述-Automatic vending machine control system VHDL finite state machine implementation To avoid the tedious process of VHDL, the direct use of the descr iption of the state transition diagram for