Datasheet

ADP5520
Rev. A | Page 24 of 40
Bit Mnemonic R/W Description
1010 = 70 sec.
1011 = 80 sec.
1100 = 90 sec.
1101 = 100 sec.
1110 = 110 sec.
1111 = 120 sec.
Table 12. Register 0x04, Backlight Fade-In and Fade-Out Timers (BL_FADE)
Bit Mnemonic R/W Description
7 to 4 BL_FO R/W Backlight fade-out timer (timer should be set before BL_EN is set).
0000 = timer disabled.
0001 = 0.3 sec.
0010 = 0.6 sec.
0011 = 0.9 sec.
0100 = 1.2 sec.
0101 = 1.5 sec.
0110 = 1.8 sec.
0111 = 2.1 sec.
1000 = 2.4 sec.
1001 = 2.7 sec.
1010 = 3.0 sec.
1011 = 3.5 sec.
1100 = 4.0 sec.
1101 = 4.5 sec.
1110 = 5.0 sec.
1111 = 5.5 sec.
3 to 0 BL_FI R/W Backlight fade-in timer (timer should be set before BL_EN is set).
0000 = timer disabled.
0001 = 0.3 sec.
0010 = 0.6 sec.
0011 = 0.9 sec.
0100 = 1.2 sec.
0101 = 1.5 sec.
0110 = 1.8 sec.
0111 = 2.1 sec.
1000 = 2.4 sec.
1001 = 2.7 sec.
1010 = 3.0 sec.
1011 = 3.5 sec.
1100 = 4.0 sec.
1101 = 4.5 sec.
1110 = 5.0 sec.
1111 = 5.5 sec.
Table 13. Register 0x05, Level 1 (Daylight) Maximum Current (DAYLIGHT_MAX)
Bit Mnemonic R/W Description
7 Unused.
6 to 0 DAYLIGHT_MAX R/W
Maximum current setting for the backlight when BL_LVL is at Level 1 (daylight). See Figure 16 for
backlight current vs. sink code relationship.