TM1629

LED Control Driver Overview TM1629 TM1629 is a special circuit for LED (light-emitting diode) driver control with keyboard scanning port. It integrates with different circuits such as MCU digital port, data latch, LED high-voltage drive, keyboard scanning, etc. The product has good performance and reliable quality, and is mainly applied in display drive of VCR, VCD, DVD, home theater and other similar products. Features Low power consumption CMOS workmanship Display mode（16segment×8positions） Key scanning（8×4bit） Luminance adjustment circuit (8-level adjustable duty cycle) Serial port (CLK, STB, DIN DOUT) Oscillation mode: built-in RC oscillation（450KHz+5%） Built-in power-on reset circuit Packaging:QFP44 Pin definitions definitions 43 GRID1 42 GRID2 40 GRID3 39 GRID4 37 GRID5 36 GRID6 34 GRID7 33 GRID8 32 VSS 31 VDD 30 SEG16 29 SEG15 28 SEG14 27 SEG13 26 SEG12 25 SEG11 24 SEG10 23 SEG9 NC 13 SEG1/KS1 14 SEG2/KS2 15 SEG3/KS3 16 SEG4/KS4 17 SEG5/KS5 18 SEG6/KS6 19 SEG7/KS7 20 SEG8/KS8 21 CLKSET/VDD 12 VDD 22 44 VSS 41 VSS 38 VSS 35 VSS NC 1 DOUT DIN STB K0 K1 K2 K3 2 3 SCLK 4 9 2 6 1 M T 5 6 7 8 9 W E I V P O T VSS 10 NC 11 Pin definitions www.szpth.com V1.1 Free Datasheet http://www.datasheet4u.com/ LED Control Driver Sign DIN TM1629 Name Data input Description I/O serial data at rising edge of clock, starting from low order .can use with DOUT to DIO On the rising edge of the clock output serial data, from a low starting. With DIN shorted for DIO to use Initia...