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LP3954TL/NOPB Datasheet(PDF) 50 Page - Texas Instruments

Part # LP3954TL/NOPB
Description  Advanced Lighting Management Unit
PDF  58 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP3954TL/NOPB Datasheet(HTML) 50 Page - Texas Instruments

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LP3954
SNVS340D – JUNE 2005 – REVISED MARCH 2013
www.ti.com
AUDIO_SYNC_CTRL2 (2BH) – AUDIO SYNCHRONIZATION AND ADC CONTROL REGISTER 2
D7
D6
D5
D4
D3
D2
D1
D0
en_avg
mode_ctrl[1:0]
speed_ctrl[1:0]
r-0
r-0
r-0
rw-0
rw-0
rw-0
rw-0
rw-0
0 – averaging disabled
en_avg
Bit 4
1 – averaging enabled
mode_ctrl[1:0]
Bits 3-2
Filtering mode control
LEDs light response time to audio input
speed_ctrl[1:0]
Response
00
FASTEST (default)
speed_ctrl[1:0]
Bits 1-0
01
FAST
10
MEDIUM
11
SLOW
PATTERN CONTROL REGISTERS
Command_[1:8]A – Pattern Control Register A
D7
D6
D5
D4
D3
D2
D1
D0
r[2:0]
g[2:0]
cet[3:2]
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
Command_[1:8]B – Pattern Control Register B
D7
D6
D5
D4
D3
D2
D1
D0
cet[1:0]
b[2:0]
tt[2:0]
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
rw-0
Red color intensity
r[2:0]
current, %
log=0
log=1
000
0×IMAX
0×IMAX
001
7%×IMAX
1%×IMAX
010
14%×IMAX
2%×IMAX
Bits
r[2:0]
7-5A
011
21%×IMAX
4%×IMAX
100
32%×IMAX
10%×IMAX
101
46%×IMAX
21%×IMAX
110
71%×IMAX
46%×IMAX
111
100%×IMAX
100%×IMAX
* log bit is in pattern_gen_ctrl register
50
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LP3954



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