LED171596ARSLR datasheet(16/153 Pages) TI1

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100 %

80 %

60 %

40 %

20 %

BRIGHTNESS

LED1

LED2

LED3

INITIAL:

MASTER_BRI = 100 %

LED1_BRI = 80%,

LED2_BRI = 60%,

LED3_BRI = 40%

SLOPE_TARGET = 40%

LED1_BRI = 100%

LED2_BRI = 100%

LED3_BRI = 100%

LED1_SLOPE = 1,

LED2_SLOPE = 0,

LED3_SLOPE = 0

LED1_SLOPE = 0,

LED2_SLOPE = 1,

LED3_SLOPE = 0

LED1_SLOPE = 0,

LED2_SLOPE = 1,

LED3_SLOPE = 1

LED1_SLOPE = 0,

LED2_SLOPE = 0,

LED3_SLOPE = 0

LED1_SLOPE = 1,

LED2_SLOPE = 0,

LED3_SLOPE = 0

SLOPE_TARGET = 20%

LED1_SLOPE = 0,

LED2_SLOPE = 0,

LED3_SLOPE = 1

LED1_SLOPE = 0,

LED2_SLOPE = 1,

LED3_SLOPE = 0

MASTER_BRI = 0%

MASTER_BRI = 100%

LED1_SLOPE = 0,

LED2_SLOPE = 0,

LED3_SLOPE = 0

LED1_GRPSEL = 1

LED2_GRPSEL = 2

LED1_GRP_BRI = 80%

LED2_GRP_BRI = 20%

TIME

LED171596A

SNVSAY2 – OCTOBER 2017

www.ti.com

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Figure 13. Sloper Function

Figure 13 shows examples of how the matrix sloper is used to slope the brightness of LEDs 1, 2, and 3. Each

arrow represents brightness or configuration changes and a corresponding LATCH event. Figure 13 shows how

the matrix sloper function affects LED output brightness when the corresponding LEDX_SLOPE bit is set.

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