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DM132 Datasheet(PDF) 10 Page - Silicon Touch Technology Inc.

Part # DM132
Description  16-Channel PWM-Controlled Constant Current Driver for LED Displays
PDF  24 Pages
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Manufacturer  SITI [Silicon Touch Technology Inc.]
Direct Link  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

DM132 Datasheet(HTML) 10 Page - Silicon Touch Technology Inc.

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點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DM132
DM132
Version
:A.014
Page
:9
2) LED Emitting Time and Current
DM132 adjusts the LED luminance using PWM (pulse width modulation) technique.
The luminance data (DV) has a resolution of 10 bits (1024steps) and can be set
independently for each LED. The relationship between Iout, luminance data, and emitting
time is shown in Figure 2.
Current
Iout
Time
DV x TGCLK
“LED Emitting” command issued
1024 x TGCLK
3 x GCLK
Figure 2. PWM Current Output



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