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MBI1009
3-Channel RGB LED Lamp Driver
April 2004, V0.6
- 7 -
Current Gain and Brightness Control Code
Bit Definition of 16-Bit Brightness Control Code
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5 Bit 6
Bit 7
Bit 8
Bit 9 Bit 10 Bit 11 Bit 12 Bit 13 Bit 14 Bit 15
Meaning
G0
G1
G2
G3
G4
G5
R0
R1
R2
R3
R4
B0
B1
B2
B3
B4
GGREEN
GRED
GBLUE
Default
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
GRED
R0
R1
R2
R3
R4
0
0
0
0
0
0
1
1
0
0
0
0
2
1
1
0
0
0
3
1
1
1
0
0
4
1
1
1
1
0
5
1
1
1
1
1
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
GBLUE
B0
B1
B2
B3
B4
0
0
0
0
0
0
1
1
0
0
0
0
2
1
1
0
0
0
3
1
1
1
0
0
4
1
1
1
1
0
5
1
1
1
1
1
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
GGREEN
G0
G1
G2
G3
G4
G5
0
0
0
0
0
0
0
1
1
0
0
0
0
0
2
1
1
0
0
0
0
3
1
1
1
0
0
0
4
1
1
1
1
0
0
5
1
1
1
1
1
0
6
1
1
1
1
1
1
Brightness Control Code
for GREEN (6-bit)
Brightness Control Code
for RED (5-bit)
Brightness Control Code
for BLUE (5-bit)
CLK
SDI
LE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
G2
G1
G0
G5
G4
G3
R2
R1
R0
B0
R4
R3
B3
B2
B1
B4
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit9
Bit8
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0