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參數(shù)資料
| 型號： | SC627EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
| 中文描述： | LED燈管理股電荷泵，4個LED，700mA的閃光LED，雙LDO，和SemWireTM接口 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 371K |
| 代理商： | SC627EVB |
SC627
18
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.
Flash/Spotlight Control Register (0x02)
This register is used to configure the flash time-out feature,
the flash or spotlight current, and select flash or spotlight
current ranges.
FLTO
This bit is used to enable the flash safety time-out feature.
The default state is enabled with FLTO = 1. If this bit is set,
the device will turn off the flash after a nominal period of
1s
. Two ways to re-enable the flash function after a safety
time-out are:
Pull the FLEN pin low to re-enable the flash
function
Clear and re-write FL[2:0]
FL[2:0]
These bits are used to set the current for the flash current
sink when configured for flash or spotlight by the FL/SPLB
bit. Bits FL[2:0] set the flash or spotlight current, as shown
in Table 2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC627ULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
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| SC6-28 | 制造商:WM BERG 功能描述: |
| SC628 | 制造商:Mallory Sonalert Products Inc 功能描述:TRANSDUCER PIEZO 2.9KHZ 80DBA 28VDC |
| SC628-4R | 制造商:Mallory Sonalert Products Inc 功能描述:TRANSDUCER, PIEZO, 2.9KHZ, 80DBA, 28VDC; Transducer Function:Alarm; Tones:Continuous; Supply Voltage Min:6V; Supply Voltage Max:28V; Operating Current Max:18mA; Sound Level SPL:80dBA; Resonant Frequency:2.9kHz; External Height:32.6mm;RoHS Compliant: Yes |
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