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LP5569RTWR Datasheet(PDF) 43 Page - Texas Instruments

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Part # LP5569RTWR
Description  Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump
PDF  86 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5569RTWR Datasheet(HTML) 43 Page - Texas Instruments

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LP5569
www.ti.com
SNVSAP8 – JULY 2017
Product Folder Links: LP5569
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Copyright © 2017, Texas Instruments Incorporated
Table 17. LED_ENGINE_CONTROL2 Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
3–2
ch3_mode
R/W
0h
Engine 3 operation mode
00 = Disabled (default)
01 = Load program to SRAM
10 = Run program
11 = Halt
1–0
RESERVED
R/W
0h
8.6.1.4 LED0_CONTROL Register (Address = 7h) [reset = 0h]
LED0_CONTROL is shown in Figure 23 and described in Table 18.
Return to Summary Table.
LED0 Control Register
Figure 23. LED0_CONTROL Register
7
6
5
4
3
2
1
0
mf_mapping0
led0_ratio_en
exp_en0
external_power
0
RESERVED
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
Table 18. LED0_CONTROL Register Field Descriptions
Bit
Field
Type
Reset
Description
7–5
mf_mapping0
R/W
0h
Master fader mapping select:
0h = No master fading (default)
1h = Master fader1
2h = Master fader2
3h = Master fader3
4h = No master fading
5h = PWM input master fading
6h = No master fading
7h = No master fading
4
led0_ratio_en
R/W
0h
0 = Disables ratiometric dimming (default)
1 = Enables ratiometric dimming
When ratiometric dimming is enabled, the emitted color of an RGB-
LED remains the same regardless of the initial magnitude of the LED
output.
3
exp_en0
R/W
0h
0 = Linear adjustment (default)
1 = Exponential adjustment
This bit is effective for both the program execution engine control
and direct PWM control.
2
external_power0
R/W
0h
0 = LED is powered by charge pump (default)
1 = LED is powered by external power source
1–0
RESERVED
R/W
0h
8.6.1.5 LED1_CONTROL Register (Address = 8h) [reset = 0h]
LED1_CONTROL is shown in Figure 24 and described in Table 19.
Return to Summary Table.
LED1 Control Register
Figure 24. LED1_CONTROL Register
7
6
5
4
3
2
1
0
mf_mapping1
led1_ratio_en
exp_en1
external_power
1
RESERVED
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h



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