參數(shù)資料
型號: SC624EVB
廠商: Semtech Corporation
英文描述: LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWireTM Interface
中文描述: LED燈管理股電荷泵,4個LED,雙LDO和SemWireTM接口
文件頁數(shù): 17/22頁
文件大?。?/td> 301K
代理商: SC624EVB
SC624
17
Register and Bit Definitions (continued)
BL[4:0]
These bits are used to set the current for the backlight
current sinks. All enabled backlight current sinks will sink
the same current, as shown in Table 1.
BL_4
BL_3
BL_2
BL_1
BL_0
Backlight Current
(mA)
0
0
0
0
0
0.5
0
0
0
0
1
1.0
0
0
0
1
0
1.5
0
0
0
1
1
2.0
0
0
1
0
0
2.5
0
0
1
0
1
3.0
0
0
1
1
0
3.5
0
0
1
1
1
4.0
0
1
0
0
0
4.5
0
1
0
0
1
5
0
1
0
1
0
5.5
0
1
0
1
1
6
0
1
1
0
0
6.5
0
1
1
0
1
7
0
1
1
1
0
7.5
0
1
1
1
1
8
1
0
0
0
0
8.5
1
0
0
0
1
9
1
0
0
1
0
9.5
1
0
0
1
1
10
1
0
1
0
0
10.5
1
0
1
0
1
11
1
0
1
1
0
11.5
1
0
1
1
1
12
1
1
0
0
0
13
1
1
0
0
1
14
1
1
0
1
0
15
1
1
0
1
1
17
1
1
1
0
0
19
1
1
1
0
1
21
1
1
1
1
0
23
1
1
1
1
1
25
Table 1 — Backlight Current Control Bits
BL Enable Control Register (0x01)
This register is used to enable the backlight current
sinks.
BLEN[4:1]
These bits are used to enable current sinks (active high,
default low).
BLEN_4 — Enable bit for backlight BL4
BLEN_3 — Enable bit for backlight BL3
BLEN_2 — Enable bit for backlight BL2
BLEN_1 — Enable bit for backlight BL1
When enabled, the current sinks will carry the current set
by the backlight current control bits BL[4:0], as shown in
Table 1.
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