向MAX6954和MAX6955 LED驱动器中加入通用LED亮度控制

记讨论的技术，同时改变所有的LED数字显示，在MAX6954或MAX6955的复用LED驱动器驱动一个强度（即，全局亮度控制）。这是全球控制额外的司机已经提供的数字由两位数调整。说明包括一个电子表格，以协助设计的计算器。Maxim>AppNotes>AutomotiveDisplayDriversKeywords:LEDdisplaydrivers,LEDdrivers,displaydrivers,SPI,serial,blink,3VJul17,2002APPLICATIONNOTE1148AddingGlobalLEDIntensityControltotheMAX6954andMAX6955LEDDriversAbstract:Thisapplicationnotediscussestechniquestosimultaneouslychangetheintensity(i.e.,globalintensitycontrol)ofalltheLEDdigitsofadisplaythatisdrivenbytheMAX6954orMAX6955multiplexedLEDdrivers.Thisglobalcontrolisadditionaltothedigit-by-digitadjustmentthatthedriversofferalready.Thenoteincludesaspreadsheetcalculatortoassistdesign.ThisapplicationnotediscussesatechniqueforaddingglobalLEDintensitycontroltotheMAX6954andMAX6955LEDdrivers.These