Datasheet

ADP8863
Rev. A | Page 36 of 52
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 7 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 0.000
0000001 0.236 0.002
0000010 0.472 0.007
0000011 0.709 0.017
… … …
1111111 30 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 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 7 Reserved
SC7_EN 6 This enable acts upon LED7
1 = SC7 is turned on
0 = SC7 is turned off
SC6_EN 5 This enable acts upon LED6
1 = SC6 is turned on
0 = SC6 is turned off
SC5_EN 4 This enable acts upon LED5
1 = SC5 is turned on
0 = SC5 is turned off