Table of Contents
Advertisement
16.6.5
LCD Characteristics
Table 16.19 shows the LCD characteristics.
Table 16.19 LCD Characteristics
V
= 1.8 V to 3.6 V, AV
CC
Item
Symbol
Segment driver
V
drop voltage
Common driver
V
drop voltage
LCD power supply
R
split-resistance
Liquid crystal
V
display voltage
Notes: 1. The voltage drop from power supply pins V
common pin.
2. When the liquid crystal display voltage is supplied from an external power source,
ensure that the following relationship is maintained: V
= 1.8 V to 3.6 V, V
CC
Applicable
Pins
SEG
to
DS
1
SEG
32
COM
to
DC
1
COM
4
LCD
V
LCD
1
= AV
= 0.0 V
SS
SS
Values
Min Typ Max Unit
—
—
0.6
V
—
—
0.3
V
1.5
3.0
7.0
MΩ
2.2
—
3.6
V
, V
, V
, and VSS to each segment pin or
1
2
3
Test
Conditions
I
= 2 µA
D
V
= 2.7 V to 3.6 V
1
I
= 2 µA
D
V
= 2.7 V to 3.6 V
1
Between V
and
1
V
SS
≥ V
≥ V
≥ V
≥ V
CC
1
2
3
SS
Rev. 6.00, 08/04, page 485 of 628
Reference
Figure
*
1
*
1
*
2
.
Advertisement
Table of Contents
