ADP8863
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
Table 39. Bit Descriptions for the BLDM3 Register
BL3_DC
Bit Name
N/A
BL3_DC
Bit No.
7
[6:0]
Description
Reserved.
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 s et by the user.
DAC
0000000
0000001
0000010
0000011
1111111
Linear Law (mA)
0
0.236
0.472
0.709
30
Square Law (mA)
0.000
0.002
0.007
0.017
30
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
Table 41. Bit Descriptions for the ISCFR Register
SC_LAW
Bit Name
N/A
SC_LAW
Bit No.
[7:2]
[1:0]
Description
Reserved
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
Reserved
Bit 6
SC7_EN
Bit 5
SC6_EN
Bit 4
SC5_EN
Bit 3
SC4_EN
Bit 2
SC3_EN
Bit 1
SC2_EN
Bit 0
SC1_EN
Table 43. Bit Descriptions for the ISCC Register
Bit Name
N/A
SC7_EN
SC6_EN
SC5_EN
Bit No.
7
6
5
4
Description
Reserved
This enable acts upon LED7
1 = SC7 is turned on
0 = SC7 is turned off
This enable acts upon LED6
1 = SC6 is turned on
0 = SC6 is turned off
This enable acts upon LED5
1 = SC5 is turned on
0 = SC5 is turned off
Rev. A | Page 36 of 52
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