Technology Industry
Industry: Email Alert RSS FeedSimple-to-use boomer audio-synchronized LED driver.(National Semiconductor's light emitting diode driver)(Brief Article)
EDN Asia, August, 2005 by Lange, Robin
National Semiconductor has launched a "no-programming-required" Boomer audio-synchronized light emitting diode (LED) driver. While previous designs required preprogrammed [I.sup.2]C compatible code to control lighting patterns, the LM4970 gives designers the option of using [I.sup.2]C compatible pattern control or choosing automatic audio-synchronized pattern generation. If the automatic mode is used, no software or memory storage is needed for pattern control, freeing up memory storage space for other features. The [I.sup.2]C compatible control bus is also used to turn each driver on or off, provide flexibility for controlling the brightness of the LED, as well as the ability to change high and mid-range frequency bands. Internal control features reduce the number of...
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