摘要：本应用笔记讨论技术来改变一次显示所有的LED段的强度（全局亮度控制）的MAX6956或MAX6957的静态LED驱动器驱动。这种控制是附加段段调整的驱动程序已经提供。该说明包括在Excel电子表格的形式，可下载，以协助设计的计算器。Maxim>AppNotes>AUTOMOTIVEDISPLAYDRIVERSKeywords:GPIO,portexpanders,staticLED,LEDdisplaydrivers,LEDdrivers,displaydrivers,SPI,I2C,serial,Jun28,2002blink,3VAPPLICATIONNOTE1141AddingGlobalIntensityControltotheMAX6956andMAX6957StaticLEDDriversAbstract:ThisapplicationnotediscussestechniquestochangetheintensityofalltheLEDsegmentsofadisplayatonce(globalintensitycontrol)drivenbytheMAX6956orMAX6957staticLEDdrivers.Thiscontrolisadditionaltothesegment-by-segmentadjustmentthedriversofferalready.ThenoteincludesacalculatorintheformofanExcelspreadsheetthatmaybedownloadedtoassistdesign.ThisapplicationnotediscussessometechniquesforaddingglobalLEDintensitycontroltotheMAX6956
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