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AS3661 Datasheet(PDF) 27 Page - ams AG

Part # AS3661
Description  Programmable 9-channel LED Dr iver
PDF  87 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3661 Datasheet(HTML) 27 Page - ams AG

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www.austriamicrosystems.com
Revision 1.3
26 - 85
AS3661
Datasheet - D e t a i l e d D e s c r i p t i o n
03
OUTPUT DIRECT/
RATIOMETRIC LSB
[7]
R/W
0xxxxxxx
LED8_RATIO_EN
Enables ratiometric dimming for LED8 output
[6]
x0xxxxxx
LED7_RATIO_EN
Enables ratiometric dimming for LED7 output
[5]
xx0xxxxx
LED6_RATIO_EN
Enables ratiometric dimming for LED6 output
[4]
xxx0xxxx
LED5_RATIO_EN
Enables ratiometric dimming for LED5 output
[3]
xxxx0xxx
LED4_RATIO_EN
Enables ratiometric dimming for LED4 output
[2]
xxxxx0xx
LED3_RATIO_EN
Enables ratiometric dimming for LED3 output
[1]
xxxxxx0x
LED2_RATIO_EN
Enables ratiometric dimming for LED2 output
[0]
xxxxxxx0
LED1_RATIO_EN
Enables ratiometric dimming for LED1 output
04
OUTPUT ON/OFF
CONTROL MSB
[0]
R/W
xxxxxxx1
LED9_ON
ON/OFF Control for LED9 output
05
OUTPUT ON / OFF
CONTROL LSB
[7]
R/W
1xxxxxxx
LED8_ON
ON/OFF Control for LED8 output
[6]
x1xxxxxx
LED7_ON
ON/OFF Control for LED7 output
[5]
xx1xxxxx
LED6_ON
ON/OFF Control for LED6 output
[4]
xxx1xxxx
LED5_ON
ON/OFF Control for LED5 output
[3]
xxxx1xxx
LED4_ON
ON/OFF Control for LED4 output
[2]
xxxxx1xx
LED3_ON
ON/OFF Control for LED3 output
[1]
xxxxxx1x
LED2_ON
ON/OFF Control for LED2 output
[0]
xxxxxxx1
LED1_ON
ON/OFF Control for LED1 output
06
LED1 CONTROL
[7:6]
R/W
00xxxxxx
MAPPING Mapping for LED1 output
[5]
xx0xxxxx
LOG_EN
Logarithmic dimming control for LED1
[4:0]
xxx00000
TEMP COMP
Temperature compensation control for LED1
output
07
LED2 CONTROL
[7:6]
R/W
00xxxxxx
MAPPING Mapping for LED2 output
[5]
xx0xxxxx
LOG_EN
Logarithmic dimming control for LED2 output
[4:0]
xxx00000
TEMP COMP
Temperature compensation control for LED2
output
Table 7. Description of Registers
Hex
Address
Register Name
Bit(s)
Type
Default Value
After Reset
Description



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