PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 10

• Manufacturer Part Number: PCF2119AU
• Description: LCD controllers/drivers Single-chip LCD controller and driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 5.
All values at T
PCF2119X
Product data sheet
Integer values
of V
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
A
and V
Values of V
B
ref
8.4.1 Programming ranges
= 27
8.4 LCD supply voltage generator
Corresponding
value of V
VLCD switched off
1.90
1.98
2.06
2.14
2.22
2.30
2.38
2.46
2.54
2.62
2.70
2.78
2.86
2.94
3.02
3.10
3.18
3.26
3.34
3.42
3.50
°
C; allowed values are highlighted.
A
The LCD supply voltage may be generated on-chip. The V
two internal 6-bit registers: V
character mode and register V
The nominal LCD operating voltage at room temperature is given by
Where V
It should be noted that V
Possible values for V
V
and V
LCD nom
LCD
(
B
in V
and the corresponding V
x
)
is the integer value of the register V
=
V
x
All information provided in this document is subject to legal disclaimers.
Integer values
of V
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
×
0.08
A
A
and V
Rev. 7 — 15 November 2010
and V
+
LCD
1.82
B
is sometimes referred as the LCD operating voltage (V
A
B
and V
B
are between 0 to 63.
LCD
with the voltage for icon mode.
Corresponding
value of V
3.58
3.66
3.74
3.82
3.90
3.98
4.06
4.14
4.22
4.30
4.38
4.46
4.54
4.62
4.70
4.78
4.86
4.94
5.02
5.10
5.18
5.26
values
B
. Register V
LCD
in V
A
or V
A
is programmed with the voltage for
B
.
Integer values
of V
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
A
LCD
and V
generator is controlled by
LCD controllers/drivers
B
PCF2119x
Equation
Corresponding
value of V
5.34
5.42
5.50
5.58
5.66
5.74
5.82
5.90
5.98
6.06
6.14
6.22
6.30
6.38
6.46
6.54
6.62
6.70
6.78
6.86
© NXP B.V. 2010. All rights reserved.
2:
LCD
10 of 83
oper
in V
).
(2)