TM1638 Description
TM1638 is LED driver controller with key-scan interface, MCU digital interface, data latch, LED high pressure driver, key-scan is integrated into a single chip. TM1638 main apply for fridge, air condition and home theatre as high-seg display driver.
TM1638 Key Features
- Power CMOS technology
- Display mode 10seg 8grid
- Key-scan(8 3bit)
- Gray adjust circuit(duty ratio 8 level is adjustable)
- Serial connection (CLK STB DIO)
- Oscillation type: RC oscillation(450Hz+5%)
- Build-in power-on reset circui