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AS3661 데이터시트(PDF) 39 Page - ams AG

부품명 AS3661
상세설명  Programmable 9-channel LED Dr iver
PDF  87 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS3661 데이터시트(HTML) 39 Page - ams AG

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Revision 1.3
38 - 85
AS3661
Datasheet - D e t a i l e d D e s c r i p t i o n
8.10.4 OUTPUT ON/OFF CONTROL MSB and LSB
The following two registers allow the user to switch all nine current sources independently from each other on and off.
Please mind that this selection will be overridden if a current source is selected by one of the program execution
engines.
1
LED2_RATIO_EN
0
R/W
0: Disables ratiometric dimming for LED2 output.
1: enables ratiometric dimming for LED9 output.
0
LED1_RATIO_EN
0
R/W
0: Disables ratiometric dimming for LED1 output.
1: enables ratiometric dimming for LED9 output.
Table 12. OUTPUT ON/OFF CONTROL MSB Register
Register: 0x04
OUTPUT ON/OFF CONTROL MSB
Bit
Bit Name
Default
Access
Bit Description
0
LED9_ON
0
R/W
0: LED9 output off.
1: LED9 output on.
Table 13. OUTPUT ON/OFF CONTROL LSB Register
Register: 0x05
OUTPUT ON/OFF CONTROL LSB
Bit
Bit Name
Default
Access
Bit Description
7
LED8_ON
0
R/W
0: LED8 output off.
1: LED8 output on.
6
LED7_ON
0
R/W
0: LED7 output off.
1: LED7 output on.
5
LED6_ON
0
R/W
0: LED6 output off.
1: LED6 output on.
4
LED5_ON
0
R/W
0: LED5 output off.
1: LED5 output on.
3
LED4_ON
0
R/W
0: LED4 output off.
1: LED4 output on.
2
LED3_ON
0
R/W
0: LED3 output off.
1: LED3 output on.
1
LED2_ON
0
R/W
0: LED2 output off.
1: LED2 output on.
0
LED1_ON
0
R/W
0: LED1 output off.
1: LED1 output on.
Table 11. OUTPUT DIRECT / RATIOMETRIC LSB Register
Register: 0x03
OUTPUT DIRECT/RATIOMETRIC LSB
Bit
Bit Name
Default
Access
Bit Description



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