使用PIC16C92X单片机液晶基础

ThisApplicationNoteprovidesabasicintroductionto

thefeaturesandusesofLiquidCrystalDisplays(LCD).

AttheendofthisApplicationNote,youshouldbeable

toanswerthefollowingquestions:

•WhatarethebasiccomponentsinanLCDpanel?

•HowdoesanLCDwork?

•WhatarethedifferenttypesofLCDpanels?

•HowareLCDpanelsdriven?AN658LCDFundamentalsUsingPIC16C92XMicrocontrollersPolarizationisaprocessorstateinwhichraysoflightAuthor:RodgerRicheyexhibitdifferentpropertiesindifferentdirections,espe-MicrochipTechnologyInc.ciallythestateinwhichallthevibrationtakesplaceinoneplane.Essentially,apolarizerpasseslightonlyinoneplane.AsshowninFigure2,iflightispolarizedinINTRODUCTIONonepl