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ADP5501
Bit
3
Name
BL_AUTO_AD
J
R/W
R/W
Description
0 = ambient light sensor comparators have no effect on the backlight operating level. The user can
manually adjust the backlight operating level using the BL_LVL bits.
1 = ambient light sensor comparators automatically adjust the backlight operating level. The internal
state machine takes control of the BL_LVL bits.
2
OVP_EN
R/W
0 = soft OVP protection disabled.
1 = soft OVP protection enabled.
1
FOVR
R/W
0 = backlight fade override is disabled.
1 = backlight fade override is enabled.
0
Not used
Table 10. Register 0x03, Backlight Off and Dim Timers (BL_TIME)
Bit
7 to 4
Name
BL_OFFT
R/W
R/W
Description
Backlight off timer; the timer should be set before BL_EN is set.
0000 = the timer is disabled.
0001 = 10 sec.
0010 = 15 sec.
0011 = 20 sec.
0100 = 25 sec.
0101 = 30 sec.
0110 = 35 sec.
0111 = 40 sec.
1000 = 50 sec.
1001 = 60 sec.
1010 = 70 sec.
1011 = 80 sec.
1100 = 90 sec.
1101 = 100 sec.
1110 = 110 sec.
1111 = 120 sec.
3 to 0
BL_DIMT
R/W
Backlight dim timer; the timer should be set before BL_EN is set.
0000 = the timer is disabled.
0001 = 10 sec.
0010 = 15 sec.
0011 = 20 sec.
0100 = 25 sec.
0101 = 30 sec.
0110 = 35 sec.
0111 = 40 sec.
1000 = 50 sec.
1001 = 60 sec.
1010 = 70 sec.
1011 = 80 sec.
1100 = 90 sec.
1101 = 100 sec.
1110 = 110 sec.
1111 = 120 sec.
Rev. 0 | Page 21 of 28
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