基于单片机的小型程控交换机

Thedesignandapplicationofthesinglechipmicrocomputerforsmallprogram-controlexchangeAbstract:Thisarticleintroducesthedesignandapplicationofthesinglechipmicrocomputerforsmallprogram-controlexchange.TheoneAT89C51isusedinthesmallprogram-controlexchange.Time-sharingcontrol.Structureissimple.Keywords:ATSin