ST7539G4_V1.2.pdf

ST7539isadriver&controllerLSIforgraphicdot-matrixliquidcrystaldisplaysystems.Itcontains192-segmentand 64-commonwith1-icon-commondrivercircuits.Thischipisconnecteddirectlytoamicroprocessorwhichacceptsparallel interface(8-bit),serialperipheralinterface(4-lineSPI),