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SC644 数据表(PDF) 21 Page - Semtech Corporation

部件名 SC644
功能描述  Light Management Unit with 4 LDOs and SemPulse짰Interface
PDF  26 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC644 数据表(HTML) 21 Page - Semtech Corporation

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SC644
2
Register Map (continued)
SBL4 through SBL0 [D4:D0]
These bits are used to set the current for the sub backlight
current sinks. All enabled current sinks will sink the same
current as shown in Table 5.
Table 5 — Sub Backlight Current Settings
SBL4
SBL3
SBL2
SBL1
SBL0
Backlight
Current (mA)
0
0
0
0
0
0
0
0
0
0

See note 
0
0
0

0
See note 
0
0
0


See note 
0
0

0
0
0.5
0
0

0


0
0


0
.5
0
0



2
0

0
0
0
2.5
0

0
0

3
0

0

0
3.5
0

0


4
0


0
0
4.5
0


0

5
0



0
6
0




7

0
0
0
0
8

0
0
0

9

0
0

0
0

0
0




0

0
0
2

0

0

3

0


0
4

0



5


0
0
0
6


0
0

7


0

0
8


0


9



0
0
20



0

2




0
23





25
() Reserved for future use.
LDO1 Control Register (05h)
This register is used to enable LDO and set its output
voltage level.
Bits [D5:D4]
These bits are unused and are always zeroes.
LDO1V3 through LDO1V0 [D3:D0]
These bits set the output voltage of LDO as shown in
Table 6.
Table 6 — LDO1 Control Codes
LDO1V3
LDO1V2
LDO1V1
LDO1V0
V
LDO1
0
0
0
0
OFF
0
0
0

3.3V
0
0

0
3.2V
0
0


3.V
0

0
0
3.0V
0

0

2.9V
0


0
2.8V
0



2.7V

0
0
0
2.6V

0
0

2.5V

0

0
2.4V

0


2.2V


0
0
.8V


0

.7V



0
.6V




.5V



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