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LP55231 Datasheet(PDF) 23 Page - Texas Instruments

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Part # LP55231
Description  LP55231 Programmable 9-Output LED Driver
PDF  53 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP55231 Datasheet(HTML) 23 Page - Texas Instruments

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LP55231
www.ti.com
SNOSCR5 – MARCH 2013
Table 3. Control Register Map (continued)
Hex
Read/Writ
Default Value
Register Name
Bit(s)
Bit Mnemonic and Description
Address
e
After Reset
[7:6]
R/W
00xxxxxx
MAPPING Mapping for D8 output
LOG_EN
[5]
R/W
xx0xxxxx
0D
D8 CONTROL
Logarithmic dimming control for D8 output
TEMP COMP
[4:0]
R/W
xxx00000
Temperature compensation control for D8 output
[7:6]
R/W
00xxxxxx
MAPPING Mapping for D9 output
LOG_EN
[5]
R/W
xx0xxxxx
0E
D9 CONTROL
Logarithmic dimming control for D9 output
TEMP COMP
[4:0]
R/W
xxx00000
Temperature compensation control for D9 output
0F TO 15
RESERVED
[7:0]
RESERVED FOR FUTURE USE
PWM
16
D1 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D1
PWM
17
D2 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D2
PWM
18
D3 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D3
PWM
19
D4 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D4
PWM
1A
D5 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D5
PWM
1B
D6 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D6
PWM
1C
D7 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D7
PWM
1D
D8 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D8
PWM
1E
D9 PWM
[7:0]
R/W
00000000
PWM duty cycle control for D9
1F TO 25
RESERVED
[7:0]
RESERVED FOR FUTURE USE
CURRENT
26
D1 CURRENT CONTROL
[7:0]
R/W
10101111
D1 output current control register. Default 17.5 mA
(typ.)
CURRENT
27
D2 CURRENT CONTROL
[7:0]
R/W
10101111
D2 output current control register. Default 17.5 mA
(typ.)
CURRENT
28
D3 CURRENT CONTROL
[7:0]
R/W
10101111
D3 output current control register. Default 17.5 mA
(typ.)
CURRENT
29
D4 CURRENT CONTROL
[7:0]
R/W
10101111
D4 output current control register. Default current is
17.5 mA (typ.)
CURRENT
2A
D5 CURRENT CONTROL
[7:0]
R/W
10101111
D5 output current control register. Default current is
17.5 mA (typ.)
CURRENT
2B
D6 CURRENT CONTROL
[7:0]
R/W
10101111
D6 output current control register. Default current is
17.5 mA (typ.)
CURRENT
2C
D7 CURRENT CONTROL
[7:0]
R/W
10101111
D7 output current control register. Default current is
17.5 mA (typ.)
CURRENT
2D
D8 CURRENT CONTROL
[7:0]
R/W
10101111
D8 output current control register. Default current is
17.5 mA (typ.)
Copyright © 2013, Texas Instruments Incorporated
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Product Folder Links: LP55231



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