HCMS-39X2 HP [Agilent(Hewlett-Packard)], HCMS-39X2 Datasheet - Page 15

• Manufacturer Part Number: HCMS-39X2
• Description: 3.3 V High Performance CMOS 5x7 AlphaNumeric Displays
• Manufacturer: HP [Agilent(Hewlett-Packard)]

Bit D
Set High
to Select
Control
Word 1
15
Table 2. Control Shift Register.
Bit D
Set Low
to Select
Control
Word 0
H
L
7
7
SLEEP MODE
D
L
6
D
L
Reserved for Future
Use (Bits D
be set Low)
Peak Current
5
Brightness
Control
H
H
L
L
CONTROL WORD 0
CONTROL WORD 1
D
H
H
L – DISABLES INTERNAL OSCILLATOR-DISPLAY BLANK
H – NORMAL OPERATION
L
L
L
2
4
-D
6
must
Pixel Current
Typical Peak
D
L
3
(mA)
PWM Brightness Control
12.8
4.0
6.4
9.3
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
D
2
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
(Relative Brightness, %)
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
D
D
Scale Current
1
1
Relative Full
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
100
31
50
73 (Default at Power Up)
External Display Oscillator
Prescaler
L – Oscillator Freq
H – Oscillator Freq
D
D
0
0
Oscillator Factor Brightness
On-Time
Cycles
Serial/Simultaneous Data Out
L – D
H – D
11
14
18
22
28
36
48
60
0
1
2
3
4
5
7
9
OUT
OUT
1
8
holds contents of Bit D
is functionally tied to D
Duty
11.7
(%)
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
0
Relative
11.7
(%)
100
1.7
3.3
5.0
6.7
8.3
15
18
23
30
37
47
60
80
0
7
in