FEATURES
Many display modes (12-segment & 16-digit to 20-segment & 8-digit)
Key scanning (12
4 matrices)
Dimming circuit (eight steps)
High-voltage output (VDD  35 V max).
LED ports (5 chs., 20 mA max).
General-purpose input port (4 bits)
No external resistor necessary for driver outputs (P-ch open-drain + pull-down resistor output)
Serial interface (CLK, STB, DIN, DOUT)