TheSTC232EislowpowersinglesupplyRS232interface.Thedeviceconsistsoftwolinedrivers,twolinereceivers,anddualchargepumpcircuit.ThedevicemeetstherequirementsofTIA/EIA-232standardandprovidestheelectricalinterfacebetweenanasynchronouscommunicationcontrollerandtheserial-portconnector.