3、cprincipleof themusicplayer, withVerilog HDLastheprogramminglanguage,the Altera MAX IIseriesprogrammable logicdevice(CPLD) EPM570T144C5ascontrolcore, realizethefunctionofmusicplayer. Inaddition circuit alsodesignedthe controlfunction, lights useLED light-emittingdiode,digitaltube display the ti