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AS3693B 데이터시트(PDF) 16 Page - ams AG

부품명 AS3693B
상세설명  16 Channel high precision LED driver for LCD Backlight
PDF  33 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS3693B 데이터시트(HTML) 16 Page - ams AG

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AS3693B
austriami crosyst ems
www.austriamicrosystems.com
Revision 1.21 / 2011-09-30
15 - 32
V sync
Hs ync
Delay =N * t hsync
P WM
P WM P eriode = t vsyunc
P WM duration = t vsync
P WM
Reset
P WM s ignal: High time = M * t hsync
P * t hsync > tvsync
reset with Vsync
P WM
P WM P eriode = P * t hsync
P WM s ignal: High time = M * t hsync
P * thsync < tvsync
Repetitive PWM
reset with P * thsync
Restart
Example: Two PWM output channels with fixed delays and variable high times (HT)
PWMINVERT = 0
PWMINVERT = 1
7.3.1.1 SYNC – mode PWM – generator update cycle.
VSYNC
Delayed
VSYNC
(internal)
PWM
-Store new values from serial interface
-Update delay immediately
Update HighTime, Period
-Store new values from serial interface
-Update delay immediately
-no new data
-new data



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