LED Drive Control Special Circuit TM1637 Features description
TM1637 is a kind of LED (light-emitting diode display) drive control special circuit with keyboard
scan interface and it's internally integrated with MCU digital interface, data latch, LED high pressure
drive and keyboard scan. This product is in DIP20/SOP20 package type with excellent performance and
high quality, which is mainly applicable to the display drive of induction cooker, micro-wave oven and
small household electrical appliance.
Function features
Applied power CMOS technique
The display mode (8 segments*6 bit) supports output by common anode LED.
Keyboard scan (8×2bit), with enhanced identification circuit with anti-interference keys
Luminance adjustment circuit (adjustable 8 duty ratio)
Two-wire serial interface (CLK, DIO)
Oscillating type: Built-in RC oscillator
Built-in power-on reset circuit
Built-in automatic blanking circuit …