使用MAX6955 LED显示驱动器与PIC微控制器滚动消息

摘要：MAX6955LED显示驱动器与PIC微控制器和14段显示器的电路和程序清单。DISPLAYDRIVERSOct23,2003UsingtheMAX6955LEDDisplayDriverwithaPICMicrocontrollertoScrollMessagesAcircuitandprogramlistingforusingtheMAX6955LEDdisplaydriverwithaPICmicrocontrollerand14-segmentdisplays.TheMAX6955isanLEDdisplaydriverwithanI2C-compatible,serialinterfacecapableofsupportingFastModespeedsupto400kHz.Itiscapableofdrivingsixteen7-segment,eight14-segment,eight16-segmentor128separateLEDs.Thisapplicationnotedescribesa14-segmentapplicationcircuitandanexampleprogramthatcontinuouslyscrollsthemessage:"THEQUICKBROWNFOXJUMPSOVERTHELAZYDOG".Theprogram,showninListing1,canbemodifiedtoscrol