TM1638 Datasheet | Titan Micro

1, 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. 2. Feature l Power CMOS technology l Display mode 10seg 8grid l Key-scan(8 3bit) l Gray adjust circuit(duty ratio 8 level is adjustable) l Serial connection (CLK STB DIO) l Oscillation type: RC oscillation(450Hz+5%) l Build-in power-on reset circui l SOP28 package 3. Pin definition 1 2 3 4 5 6 7 8 9 10 11 12 13 14 K1 K2 K3 VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9 SEG10 STB CLK DIO GND...