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DM621 Datasheet(PDF) 4 Page - Silicon Touch Technology Inc. |
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DM621 Datasheet(HTML) 4 Page - Silicon Touch Technology Inc. |
4 / 22 page 12-Channels Pre-programmable Constant Current LED Driver Version:A.007 Page 3 未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. DM621 Pin Description PIN NAME FUNCTION PIN No. VDD Power supply terminal QFN20:1 ,TSSOP24:23 DCK Synchronous clock input for serial data. The input data of SIN is transferred at rising edges of DCK. It also could be used as GCK. QFN20:11 ,TSSOP24:11 DCKO Synchronous clock output QFN20:12 ,TSSOP24:12 VSS_DR Driver ground terminal QFN20: Thermal Pad TSSOP24:10,15,22,24 SIN Serial input for grayscale data QFN20:13 ,TSSOP24:13 SOUT Serial output for grayscale data QFN20:14 ,TSSOP24:14 REXT_R QFN20:2 ,TSSOP24:1 REXT_G QFN20:3 ,TSSOP24:2 REXT_B External resistor connected between REXT and GND for driver current setting. QFN20:4 ,TSSOP24:3 IOUT_R [3:0] QFN20:5,8,15,18 TSSOP24:4,7,16,19 IOUT_G [3:0] QFN20:6,9,16,19 TSSOP24:5,8,17,20 IOUT_B [3:0] LED driver outputs QFN20:7,10,17,20 TSSOP24:6,9,18,21 Pin Configuration (Top View) Figure 2. The Package of QFN20 Figure 3. The Package of TSSOP24 |
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