Supporting 2 arrays of 72 LEDs, Model IS31FL3732 features pre-programmed lighting and animation functions which are accessed via 1 MHz I2C compatible interface. LEDs can be individually dimmed in 256 steps with 1/9 cycle rate. Housed in 5 x 5 mm QFN-40 package, IS31FL3732 integrates 8 frames of memory, which can be displayed with programmable time delays to create LED matrix animations. For extra dimension, analog inputs such as audio signals can be used to modulate LED display intensity.