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SC668 데이터시트(PDF) 39 Page - Semtech Corporation

부품명 SC668
상세설명  8 LED Light Management Unit Automatic Dropout Prevention , Ambient Light Sense Input, PWM Dimming, and 4 LDOs
PDF  46 Pages
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제조업체  SEMTECH [Semtech Corporation]
홈페이지  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC668 데이터시트(HTML) 39 Page - Semtech Corporation

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SC668
39
Group #1 Target and Start Times Register (10h)
This register is used to set the duration that the backlights
will stay at the start value and at the target value. This
feature provides additional customization of the breathe
and blink lighting effects. Register 10h will only effect
banks that are assigned to group #1.
TT1_2, TT1_1, and TT1_0 [D5:D3]
These bits set the duration that backlights will stay at the
target value. These bits effect only banks assigned to
group #1. Target times are given in Table 18.
Table 18 — Target Time (Group #1)
TT1_2
TT1_1
TT1_0
Target Time (ms/step)
0
0
0
32
0
0
1
64
0
1
0
256
0
1
1
512
1
0
0
1024
1
0
1
2048
1
1
0
3072
1
1
1
4096
ST1_2, ST1_1, and ST1_0 [D2:D0]
These bits set the duration of time that backlights will stay
at the starting value. These bits effect only banks assigned
to group #1. Start times are given in Table 19.
Table 19 — Start Time (Group #1)
ST1_2
ST1_1
ST1_0
Start Time (ms/step)
0
0
0
32
0
0
1
64
0
1
0
256
0
1
1
512
1
0
0
1024
1
0
1
2048
1
1
0
3072
1
1
1
4096
Register Map (continued)
Group #2 Target and Start Times Register (11h)
This register is used to set the duration that the backlights
will stay at the start value and at the target value. This
feature provides additional customization of the breathe
and blink lighting effects. Register 11h will only effect
banks that are assigned to group #2.
TT2_2, TT2_1, and TT2_0 [D5:D3]
These bits set the duration that backlights will stay at the
target value. These bits effect only banks assigned to
group #2. Target times are given in Table 20.
Table 20 — Target Time (Group #2)
TT2_2
TT2_1
TT2_0
Target Time (ms/step)
0
0
0
32
0
0
1
64
0
1
0
256
0
1
1
512
1
0
0
1024
1
0
1
2048
1
1
0
3072
1
1
1
4096
ST2_2, ST2_1, and ST2_0 [D2:D0]
These bits set the duration that backlights will stay at the
starting value. These bits effect only banks assigned to
group #2. Start times are given in Table 21.
Table 21 — Start Time (Group #2)
ST2_2
ST2_1
ST2_0
Start Time (ms/step)
0
0
0
32
0
0
1
64
0
1
0
256
0
1
1
512
1
0
0
1024
1
0
1
2048
1
1
0
3072
1
1
1
4096



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