ADP8863ACPZ-R7 datasheet(36/48 Pages) AD

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ADP8863

Rev. 0 | Page 36 of 48

Backlight Level 3 (Dark) Dim Current Register (BLDM3)—Register 0x0E

Table 38. BLDM3 Bit Map

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

BL3_DC

Table 39. Bit Descriptions for the BLDM3 Register

Bit Name

Bit No.

Description

N/A

Reserved.

BL3_DC

[6:0]

Backlight Level 3 (dark) dim current. See Table 29 for a complete list of values. The backlight is set to the

dim current value after a dim timeout or if the DIM_EN flag is set by the user.

DAC

Linear Law (mA)

Square Law (mA)

0000000

0.000

0000001

0.236

0.002

0000010

0.472

0.007

0000011

0.709

0.017

…

1111111

INDEPENDENT SINK REGISTER DESCRIPTIONS

Independent Sink Current Fade Control Register (ISCFR)—Register 0x0F

Table 40. ISCFR Bit Map

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

SC_LAW

Table 41. Bit Descriptions for the ISCFR Register

Bit Name

Bit No.

Description

N/A

[7:2]

Reserved

SC_LAW

[1:0]

Independent sink current fade transfer law

00 = linear law DAC, linear time steps

01 = square law DAC, linear time steps

10 = square law DAC, nonlinear time steps (Cubic 10)

11 = square law DAC, nonlinear time steps (Cubic 11)

Independent Sink Current Control (ISCC)—Register 0x10

Table 42. ISCC Bit Map

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

SC7_EN

SC6_EN

SC5_EN

SC4_EN

SC3_EN

SC2_EN

SC1_EN

Table 43. Bit Descriptions for the ISCC Register

Bit Name

Bit No.

Description

N/A

Reserved

SC7_EN

This enable acts upon LED7

1 = SC7 is turned on

0 = SC7 is turned off

SC6_EN

This enable acts upon LED6

1 = SC6 is turned on

0 = SC6 is turned off

SC5_EN

This enable acts upon LED5

1 = SC5 is turned on

0 = SC5 is turned off

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