2. Characteristics Description

• Using CMOS technology

• Multiple display modes (10 segments × 7 digits ~ 13 segments × 4 digits)

• Maximum support for matrix keys 10×2

• Brightness adjustment circuit (8 levels of duty cycle adjustable)

• Serial interface (CLK, STB, DIO)

• Oscillation mode: built-in RC oscillation

• Built-in power-on reset circuit

• Built-in data latch circuit

• Built-in optimized circuit for dimming problem caused by LED reverse bias leakage

• Strong anti-interference ability

• Package type: SOP28