MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
Table 33 . Green LED Dimming Current Control Register
ADDRESS
(HEX)
22
POR
(HEX)
01
BIT 7
GLED7
BIT 6
GLED6
BIT 5
GLED5
BIT 4
GLED4
BIT 3
GLED3
BIT 2
GLED2
BIT 1
GLED1
BIT 0
GLED0
NAME
POR R/W
DESCRIPTION
GLED7
GLED6
GLED5
GLED4
GLED3
GLED2
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
7
0
0
U
1
6
0
0
U
1
5
0
0
U
1
4
0
0
U
1
BIT
3
0
0
U
1
2
0
0
U
1
1
0
0
U
1
0
0
1
U
1
COMMENTS
Minimum current = 0.1mA
0.2mA set as default
U
Maximum LED current = 25.6mA
GLED1
GLED0
0
1
R/W
R/W
256 steps from 0.1 to 25.6mA by 0.1mA step by binary value increment
Table 34 . Blue LED Dimming Current Control Register
ADDRESS
(HEX)
23
POR
(HEX)
01
BIT 7
BLED7
BIT 6
BLED6
BIT 5
BLED5
BIT 4
BLED4
BIT 3
BLED3
BIT 2
BLED2
BIT 1
BLED1
BIT 0
BLED0
NAME
POR R/W
DESCRIPTION
BLED7
BLED6
BLED5
BLED4
BLED3
BLED2
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
7
0
0
U
1
6
0
0
U
1
5
0
0
U
1
4
0
0
U
1
BIT
3
0
0
U
1
2
0
0
U
1
1
0
0
U
1
0
0
1
U
1
COMMENTS
Minimum current = 0.1mA
0.2mA set as default
U
Maximum LED current = 25.6mA
BLED1
BLED0
0
1
R/W
R/W
256 steps from 0.1 to 25.6mA by 0.1mA step by binary value increment
Table 35 . On/Off Control Register
ADDRESS
(HEX)
24
POR
(HEX)
00
BIT 7
GPO1
BIT 6
Reserved
BIT 5
Reserved
BIT 4
GPLD1
BIT 3
GPLD2
BIT 2
GPLD3
BIT 1
Reserved
BIT 0
Reserved
NAME
POR R/W
DESCRIPTION
GPO1
GPLD1
GPLD2
GPLD3
0
0
0
0
R/W
R/W
R/W
R/W
1: GPO mode
0: LDO Mode for LDO1, LDO2, LDO3
1: Output low for LDO1 (power SW on)
0: Output high (power SW off)
1: Output low for LDO2 (power SW on)
0: Output high (Power SW off)
1: Output low for LDO3 (power SW on)
0: Output high (power SW off)
Maxim Integrated
49
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