The MAX6954 utilizes a multiplex technique that reduces driver pin count by using ports alternately as cathode and anode drivers. This application note guides the user through the process of connecting the MAX6954 to 7-segment displays and configuring the internal registers to control the displays using the included hexadecimal font map. ![]() ![]() MAX6954 7-segment application circuit.Ī common application for the MAX6954 is driving up to sixteen 7-segment mono-color LEDs. " Quick-Start: Driving 16-Segment Displays with the MAX6954" and " Quick-Start: Driving 14-Segment Displays with the MAX6954" are similar application notes that discuss configuring the MAX6954 for 16-segment and 14-segment applications, respectively.įigure 1. See the MAX6954 data sheet for additional information about MAX6954 features. This application note shows a typical application and configuration for driving sixteen mono-color, 7-segment LEDs using the MAX6954. The MAX6954 is a versatile display driver, capable of controlling a mix of discrete, 7-segment, 14-segment, and 16-segment LED displays through a serial interface. This article is how-to guide, intended as a quick learning aid for engineers considering using the MAX6954 to drive 7-segment monocolor LEDs.
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