标签: lcd驱动器

ThisapplicationnotedescribesanLCDcontrollerimplementationusingaPIC16C55microcontroller.Thistechniqueoffersdisplaycapabilitiesforapplicationsthatrequireasmalldisplayatalowcost,togetherwiththecapabilitiesofthestandardPIC16C55microcontrol-ler.WestartbyanoverviewofLCDdevicesandtheirtheoryofoperationfollowedbysoftwareimplementa-tionissuesofthecontroller.Thesourcecodeforcon-trollingamultiplexedLCDdisplayisincludedinAppendixA.AN563UsingPIC16C5XMicrocontrollersasLCDDriversToturnanLCDsegment“on,”whichmakestheAuthor:AlLovrichsegmentturndarkoropaque,anLCDRMSvoltageMicrochipTechnologyInc.thatisgreaterthantheLCDthresholdvoltageisappliedtotheLCD.TheRMSLCDvoltageistheRMSvoltageINTRODUCTIONacrossthecapacitorCinFigure1,whichisequaltothe……

美芯公司的PIC18F85J90系列是带LCD驱动器的64/80引脚高性能单片机,它继承了所有PIC18单片机的传统优点，即具有出色的计算性能、丰富的功能集，除此之外，还带有一个多功能片上LCD驱动器，以及极具竞争力的价格。……