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SC657 数据表(PDF) 16 Page - Semtech Corporation

部件名 SC657
功能描述  Backlight Driver for 5 LEDs with SemPulseTM Interface
PDF  22 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC657 数据表(HTML) 16 Page - Semtech Corporation

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Register Map(1)
SC657
Address
D5
D4
D3
D2
D1
D0
Reset
Value
Description
00h
0(2)
BLEN5
BLEN4
BLEN3
BLEN2
BLEN
00h
Backlight Enable
0h
0(2)
MBL4
MBL3
MBL2
MBL
MBL0
00h
Main Backlight Current
02h
0(2)
SBL4
SBL3
SBL2
SBL
SBL0
00h
Sub Backlight Current
03h
0(2)
TBL4
TBL3
TBL2
TBL
TBL0
00h
Third Backlight Current
04h
0(2)
0(2)
0(2)
0(2)
MFADE
MFADE0
00h
Main Fade
05h
0(2)
0(2)
0(2)
MB2
MB
MB0
00h
Backlight Grouping Configuration
Definition of Registers and Bits
BL Enable Control Register (00h)
This register enables each individual LED.
Bit D5
This bit is unused and is always a zero, so the maximum
pulse count for this register is 3.
BLEN5 — BLEN1 [D4:D0]
These active high bits enable the five backlight drivers.
Each LED can be controlled independently.
Notes:
() all registers are write-only.
(2) 0 = always write a 0 to these bits



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