Part Number	MC3401
Manufacturer	ABOV
Overview	for LED Setting Diagram on page 22. Updated Serial communication timing diagram for initialization setting on page 22. Updated Block Diagram on page 6. VERSION 1.00 (2008. 08. 14) The first Edition J. * CMOS Technology * Low Power Consumption * Key Scanning (16 x 2 matrix) * Multiple Display Modes: (16 segments, 12 digits to 24 segments, 4 digits) * 8-Step Dimming Circuitry * LED Ports Provide (4 channels, 20mA max.) * Serial Interface for Clock, Data Input, Data Output, Strobe Pins * No External.