DESCRIPTION
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 GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GND GRID7 GRID8 VDD 28 27 26 25 24 23 22 21 20 19 18 17 16 15 -1- 4. Pin function definition DIO Data Input/output serial data during the rising of shift input/output clock, from low. STB CLK K1 K3 SEG1/KS1~ SEG8/KS8 SEG9 SEG10 GRID1 GRID8 Chip select Clock input Initialize serial interface during the falling/rising edge, then receive instruction. The first byte as instruction when STB is low, another disposal would be closed during handle the instruction.
Titan Micro
