Table 2. Control Shift Register
CONTROL WORD 0
D4 D3 D2
L
D6
D5
D1
D0
↑
Bit D
On-Time
Oscillator
Cycles
Duty
Factor
(%)
Relative
Brightness
(%)
7
Set Low
to Select
Control
Word 0
PWM Brightness
Control
L
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
0
1
0
0
1.7
3.3
5.0
6.7
8.3
11.7
15
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
0.2
0.4
0.6
0.8
1.0
1.4
1.8
2.1
2.7
3.5
4.3
5.5
7.0
9.4
11.7
2
L
3
L
4
L
5
L
7
L
9
H
H
H
H
H
H
H
H
11
14
18
22
28
36
48
60
18
23
30
37
47
60
80
100
Peak Current
Brightness
Control
Typical Peak
Pixel Current
(mA)
Relative Full
Scale Current
(Relative Brightness, %)
H
L
L
H
L
4.0
6.4
31
50
L
9.3
73 (Default at Power Up)
100
H
H
12.8
SLEEP MODE
L – DISABLES INTERNAL OSCILLATOR-DISPLAY BLANK
H – NORMAL OPERATION
CONTROL WORD 1
H
L
L
L
L
L
D1
D0
↑
Serial/ Simultaneous Data Out
Bit D
7
L – Dout holds contents of Bit D
7
Set High
to Select
Control
Word 1
Reserved for Future
Use (Bits D -D
must be set Low)
H – Dout is functionally tied to D
in
2
6
External Display Oscillator Prescaler
L – Oscillator Freq ∏ 1
H – Oscillator Freq ∏ 8
12
AVAGO [ AVAGO TECHNOLOGIES LIMITED ]
