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AS3820 数据表(PDF) 33 Page - Dialog Semiconductor

部件名 AS3820
功能描述  16-Channel White LED Controller for LCD Backlight
PDF  52 Pages
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制造商  DIALOG [Dialog Semiconductor]
网页  http://www.dialog-semiconductor.com/
标志 DIALOG - Dialog Semiconductor

AS3820 数据表(HTML) 33 Page - Dialog Semiconductor

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AS3820
16-Channel White LED Controller for LCD Backlight
Rev. 1.1
Datasheet
© 2019 Dialog Semiconductor
www.dialog-semiconductor.com
33 of 52
05-Feb-2019
Figure 8.11 : PWM Example 3
Figure 8.12 : PWM Example 4
HSYNC
0
20
40
60
80
100
120
VSYNC
SPI Cmd
ILED1
ILED2
ILED3
PWMCTRL = 0x03
PWMperiod = 20
PWM1ht = 15
PWM2ht = 10
PWM3ht = 5
PEM1del = 20
PWM2del = 30 PWM3del = 40
140
PWMrev1 = 0
PWMrev2 = 0
PWMrev3 = 0
HSYNC
0
20
40
60
80
100
120
VSYNC
SPI Cmd
ILED1
ILED2
ILED3
PWMCTRL = 0x03
PWMperiod = 100
PWM1ht = 40
PWM2ht = 40
PWM3ht = 40
PEM1del = 20
PWM2del = 30 PWM3del = 40
140
PWMCTRL = 0x03
PWMperiod = 100
PWM1ht = 40
PWM2ht = 40
PWM3ht = 40
PEM1del = 0
PWM2del = 40 PWM3del = 40
PWMrev1 = 0
PWMrev2 = 0
PWMrev3 = 0
PWMrev1 = 0
PWMrev2 = 0
PWMrev3 = 0



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