Titan Micro TM1639
TM1639 is an IC dedicated to LED (light emitting diode display) drive control and equipped with a keypad scan interface. It integrates MCU digital interface, data latch, LED drive, and keypad scanning circuit. This product is reliable in quality, stable in performance and strong in interference resistance.| Part No. | TM1639 |
|---|---|
| Datasheet | TM1639 Download |
| Manufacturer |  Titan Micro |
| Description | LED drive controller |
| Buy | Stock & Price |
FEATURES
● CMOS technology● 8 segments × 8 bits display
● Keypad scanning (4 × 2 bits)
● Brightness adjustment circuit (8-level adjustable duty ratio)
● Serial ports (CLK, STB, DIO)
● Oscillation mode: RC oscillation
● Built-in power-on reset circuit
● Package type: SOP24，SDIP24 三、Pin definition： GRID4 GRID3 GND GRID2 GRID1 DIO CLK STB K0 K1 VDD SEG1/KS1 1 24 2 23 3 22 4 21 5 20 6 19 7 TM1639 18 8 (TOP VIEW) 17 9 16 10 15 11 14 12 13 GRID5 GRID6 GND GRID7 GRID8 SEG12 SEG11 SEG10 SEG9 KS4/SEG4 KS3/SEG3 KS2/SEG2 ©Titan Micro Electronics V1.2 -1- 四、Pin function： Symbol Special circuit for LED drive control TM1639 Pin Name Pin ID
DESCRIPTION
Input serial data at rising edge of the DIO Data input and output 6 clock, starting from lower bits. Output serial data at falling edge of the clock, starting from lower bits. During output, this is a PMOS open drain output. CLK Clock input STB Chip selection input K0～K1 SGE1/KS1～ SEG4/KS4 keypad scanning signal input Output (segment) GRID1～GRID8 Output (bit) 7 8 9～10 12～15 1～5 20～24 Read serial data at rising edge and output data at falling edge.
