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LP3952RL/NOPB Datasheet(PDF) 16 Page - Texas Instruments

Part # LP3952RL/NOPB
Description  6-Channel Color LED Driver with Audio Synchronization
PDF  46 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP3952RL/NOPB Datasheet(HTML) 16 Page - Texas Instruments

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Target values
COMMAND EXECUTION TIME = CET1
CET2
TT3
CET3
TT2
RED
BLUE
GREEN
TRANSITION TIME = TT1
TT1 > CET1
TT2 < CET2
TT3 < CET3
TRANSITION TIME = TT1
COMMAND EXECUTION TIME = CET1
CET2
TT3
CET3
TT2
RED
BLUE
GREEN
TT < CET
LP3952
SNVS518A – JULY 2007 – REVISED MARCH 2013
www.ti.com
Transition time TT is duration of transition from the previous RGB value to programmed new value. Transition
times are defined as follows:
TT [2:0]
Transition time, ms
000
0
001
55
010
110
011
221
100
442
101
885
110
1770
111
3539
The figure below shows an example of RGB CET and TT times.
The command execution time also may be less than the transition time – the figure below illuminates this case.
LOOP CONTROL (1.65V
≤ VDDIO ≤ VDD1,2V) (unless otherwise noted)
Pattern generator commands can be looped using the LOOP bit (D1) in Pattern gen ctrl register (11H). If
LOOP=1 the program will be looped from the command 8 register or if there is 0000 0000 and 0000 0000 in one
command register. The loop will start from command 1 and continue until stopped by writing rgb_start=0 or
loop=0. The example of loop is shown in following figure:
16
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Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: LP3952



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