
17-Output LED Driver/GPO with
Intensity Control and Hot-Insertion Protection
Table 11. Master, O16 Intensity Register
REGISTER
ADDRESS
CODE
REGISTER DATA
R/ W
(hex)
D7
D6
D5
D4
D3
D2
D1
D0
MASTER AND GLOBAL INTENSITY
MSB
MASTER INTENSITY
LSB MSB
O16 INTENSITY
LSB
Write master and global intensity
Read back master and global intensity
0
1
M3
M2
M1
M0
G3
G2
G1
G0
Master intensity duty cycle is 0/15 (off);
internal oscillator is disabled;
—
0
0
0
0
—
—
—
—
all outputs will be static with no PWM
Master intensity duty cycle is 1/15
Master intensity duty cycle is 2/15
Master intensity duty cycle is 3/15
—
—
—
—
—
0
0
0
—
0
0
0
—
0
1
1
—
1
0
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Master intensity duty cycle is 13/15
Master intensity duty cycle is 14/15
Master intensity duty cycle is 15/15 (full)
O/16 intensity duty cycle is 1/16
O/16 intensity duty cycle is 2/16
O/16 intensity duty cycle is 3/16
—
O/16 intensity duty cycle is 14/16
O/16 intensity duty cycle is 15/16
O/16 intensity duty cycle is 16/16
(static output, no PWM)
—
—
—
—
—
—
—
—
—
—
0X0E
1
1
1
—
—
—
—
—
—
—
1
1
1
—
—
—
—
—
—
—
0
1
1
—
—
—
—
—
—
—
1
0
1
—
—
—
—
—
—
—
—
—
—
0
0
0
—
1
1
1
—
—
—
0
0
0
—
1
1
1
—
—
—
0
0
1
—
0
1
1
—
—
—
0
1
0
—
1
0
1
18
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