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AS3676 数据表(PDF) 34 Page - ams AG

部件名 AS3676
功能描述  Flexible Lighting Management
PDF  92 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3676 数据表(HTML) 34 Page - ams AG

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AS3676
Datasheet - D e ta i l e d D e s c r i p t i o n
8.4.4
Current Sinks RGB1, RGB2, RGB3
These current sinks have a resolution of 8 bits and can sink up to 38.25mA.
RGB Current Sinks Registers
Table 40. Current Sinks RGB1, RGB2, RGB3 Parameters
Symbol
Parameter
Condition
Min
Typ
Max
Unit
IBIT7
Current sink if Bit7 = 1
For V(RGBx) > 0.2V
19.2
mA
IBIT6
Current sink if Bit6 = 1
9.6
IBIT5
Current sink if Bit5 = 1
4.8
IBIT4
Current sink if Bit4 = 1
2.4
IBIT3
Current sink if Bit3 = 1
1.2
IBIT2
Current sink if Bit2 = 1
0.6
IBIT1
Current sink if Bit1 = 1
0.3
IBIT0
Current sink if Bit0 = 1
0.15
m
1
1. Variation between currents within this group
matching Accuracy
RGB1, RGB2, RGB3
IBIT7 and IBIT6
-5
+5
%
all other bits
-10
+10
%
2. Variation between the programmed current and the actual current
absolute Accuracy
-15
+15
%
VRGBX
Voltage compliance
0.2
CPO
UT
V
Table 41. curr rgb control
Register
Addr: 02h
curr rgb control
This register select the mode of the current sinks RGB1, RGB2, RGB3
Bit
Bit Name
Default Access
Description
1:0
rgb1_mode
0R/W
Select the mode of the current sink RGB1
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled
3:2
rgb2_mode
0R/W
Select the mode of the current sink RGB2
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled
5:4
rgb3_mode
0R/W
Select the mode of the current sink RGB3
00b
off
01b
on
10b
PWM controlled
11b
LED pattern controlled



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