PCF8811MU/2DA/1 PHILIPS [NXP Semiconductors], PCF8811MU/2DA/1 Datasheet - Page 39

• Manufacturer Part Number: PCF8811MU/2DA/1
• Description: 80 x 128 pixels matrix LCD driver
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
13.10.1 B
The V
determined by the conversion in the ROM look-up table
with the programmed values of V
It can, additionally, be adjusted with the V
V
Instead of using the V
can be adjusted with the module maker calibration setting
MMVOPCAL[4:0]; see Chapter 22.
Where:
Table 22 Parameters of V
13.10.2 E
The V
In the extended command set V
as V
offset pads V
performance.
2004 May 17
OS
T
a is a fixed constant value; see Table 22
b is a fixed constant value; see Table 22
V
V
offset pads or the value stored in the OTP cells.
80
CUT
OP
OS
[4:0] to obtain the optimum optical performance.
V
OP
SYMBOL
LCD
LCD T
LCD
[7:0] is the result of the conversion table
[4:0]/MMVOPCAL[4:0] is the value of the offset V
[7:0]. It can additionally be adjusted with the V
T
is a reference temperature; see Section 13.11
CUT
b
a
command set
at T = T
128 pixels matrix LCD driver
at T = T
ASIC COMMAND SET
XTENDED
=
OS
T
CUT
[4:0] to obtain the optimum optical
CUT
CUT
=
C
a
OMMAND SET
can be calculated with equation (5).
LCD
in the basic command set is
+
VALUE
V
offset pads (V
LCD
0.03
OS
40
3
[4:0]
for the basic and extended
PR
PR
[7:0] is the same value
+
[5:0] and V
V
OP
OP
[7:0]
LCD
[4:0]) the V
UNIT
offset pads
OFF
V
V
C
b
[2:0].
LCD
LCD
LCD
(4)
39
Instead of using the V
can be adjusted with the module maker calibration setting
MMVOPCAL[4:0]; see Chapter 22.
Where:
As the programming range for the internally generated
V
(9 V) the user has to ensure while setting the V
and selecting the Temperature Compensation (TC), that
under all conditions and including all tolerances the V
remains below 9.0 V. This is valid for the two different
command sets.
LCD
T
a is a fixed constant value (see Table 22)
b is a fixed constant value (see Table 22)
V
V
offset pads or the value stored in the OTP cells.
CUT
PR
OS
V
allows values above the maximum allowed V
LCD T
[7:0] is the programmed V
[4:0]/MMVOPCAL[4:0] is the value of the offset V
is a reference temperature (see Section 13.11)
=
T
CUT
=
a
LCD
+
offset pads (V
V
OS
[4:0]
OP
+
value
Product specification
V
PR
OP
PCF8811
[7:0]
[4:0]) the V
PR
b
register
LCD
LCD
LCD
LCD
(5)