MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
Table 23 . Slope Control Register for Main WLEDs
ADDRESS
(HEX)
0A
POR
(HEX)
00
BIT 7
Reserved
BIT 6
DSLP3
BIT 5
DSLP2
BIT 4
DSLP1
BIT 3
Reserved
BIT 2
USLP3
BIT 1
USLP2
BIT 0
USLP1
NAME
POR R/W
DESCRIPTION
DSLP3
DSLP2
0
0
R/W
R/W
DSLP1
USLP4
USLP4
USLP3
0
0
0
0
R/W
R/W
R/W
R/W
Slope control for ramp down and up has 8 steps, respectively (see details in Table 25)
Table 24 . Slope Control Register for RGB LED
ADDRESS
(HEX)
0B
POR
(HEX)
00
BIT 7
Reserved
BIT 6
DSLP3
BIT 5
DSLP2
BIT 4
DSLP1
BIT 3
Reserved
BIT 2
USLP3
BIT 1
USLP2
BIT 0
USLP1
NAME
POR R/W
DESCRIPTION
DSLP3
DSLP2
0
0
R/W
R/W
DSLP1
USLP4
USLP4
USLP3
0
0
0
0
R/W
R/W
R/W
R/W
Slope control for ramp down and up has 8 steps, respectively (see details in Table 25)
Table 25. Ramp-Up/Down Transition Time in 0.1mA Step
BIT
COMMENTS
6
5
4
3
2
1
0
0
0
0
0
1
1
1
1
U
U
U
U
U
U
U
U
0
0
1
1
0
0
1
1
U
U
U
U
U
U
U
U
0
1
0
1
0
1
0
1
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
0
0
0
0
1
1
1
1
U
U
U
U
U
U
U
U
0
0
1
1
0
0
1
1
U
U
U
U
U
U
U
U
0
1
0
1
0
1
0
1
0 seconds (default)
0.016ms (2 4 x 1Fs)
0.068ms (2 6 x 1Fs)
0.128ms (2 7 x 1Fs)
0.256ms (2 8 x 1Fs)
0.512ms (2 9 x 1Fs)
1.024ms (2 10 x 1Fs)
2.048ms (2 11 x 1Fs)
0 seconds (default)
0.016ms (2 4 x 1Fs)
0.068ms (2 6 x 1 F s)
0.128ms (2 7 x 1 F s)
0.256ms (2 8 x 1 F s)
0.512ms (2 9 x 1 F s)
1.024ms (2 10 x 1 F s)
2.048ms (2 11 x 1 F s)
Maxim Integrated
43
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