Datasheet

ADP8863
Rev. A | Page 32 of 52
Backlight Level 1 (Daylight) Maximum Current Register (BLMX1)—Register 0x09
Table 27. BLMX1 Bit Map
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved BL1_MC
Table 28. Bit Descriptions for the BLMX1 Register
Bit Name Bit No. Description
N/A 7 Reserved.
BL1_MC [6:0]
Backlight Level 1 (daylight) maximum current. The backlight maximum current can be set according to
the linear or square law function (see Table 29 for a complete list of values).
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
Table 29. Linear and Square Law Currents Per DAC Code (SCR = 0)
DAC Code Linear Law (mA) Square Law (mA)
1
0x00 0 0.000
0x01 0.236 0.002
0x02 0.472 0.007
0x03 0.709 0.017
0x04 0.945 0.030
0x05 1.181 0.047
0x06 1.417 0.067
0x07 1.654 0.091
0x08 1.890 0.119
0x09 2.126 0.151
0x0A 2.362 0.186
0x0B 2.598 0.225
0x0C 2.835 0.268
0x0D 3.071 0.314
0x0E 3.307 0.365
0x0F 3.543 0.419
0x10 3.780 0.476
0x11 4.016 0.538
0x12 4.252 0.603
0x13 4.488 0.671
0x14 4.724 0.744
0x15 4.961 0.820
0x16 5.197 0.900
0x17 5.433 0.984
0x18 5.669 1.071
0x19 5.906 1.163
0x1A 6.142 1.257
0x1B 6.378 1.356
0x1C 6.614 1.458
0x1D 6.850 1.564
0x1E 7.087 1.674
0x1F 7.323 1.787
0x20 7.559 1.905
0x21 7.795 2.026
DAC Code Linear Law (mA) Square Law (mA)
1
0x22 8.031 2.150
0x23 8.268 2.279
0x24 8.504 2.411
0x25 8.740 2.546
0x26 8.976 2.686
0x27 9.213 2.829
0x28 9.449 2.976
0x29 9.685 3.127
0x2A 9.921 3.281
0x2B 10.157 3.439
0x2C 10.394 3.601
0x2D 10.630 3.767
0x2E 10.866 3.936
0x2F 11.102 4.109
0x30 11.339 4.285
0x31 11.575 4.466
0x32 11.811 4.650
0x33 12.047 4.838
0x34 12.283 5.029
0x35 12.520 5.225
0x36 12.756 5.424
0x37 12.992 5.627
0x38 13.228 5.833
0x39 13.465 6.043
0x3A 13.701 6.257
0x3B 13.937 6.475
0x3C 14.173 6.696
0x3D 14.409 6.921
0x3E 14.646 7.150
0x3F 14.882 7.382
0x40 15.118 7.619
0x41 15.354 7.859
0x42 15.591 8.102
0x43 15.827 8.350