ET6226
General Description
ET6226 is a specific LED drive control circuit with a keyboard scanning interface circuit. Internal integrated MCU digital interface input and output, data latches, LED drives, keyboard scanning, brightness adjustment and so on. The chip performance is stable, reliable quality, anti-interference ability, can be adapted to work in 24 hours of continuous long-term applications.
Features
Display matrix mode: 8×4 or 7×4
Segment drive current is not less than 25mA, bit drive current is not less than 150mA
Provide eight brightness control
Keyboard scanning: 7×4bit
High-speed two-wire serial interface
Built-in clock oscillator circuit
Built-in power-on reset circuit
Supports 3.0V~5.5V supply voltage
Part No. and Package
Pin Configuration
Application Circuits