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Section 15 Electrical Characteristics
15.2.5
LCD Characteristics
Table 15.7 shows the LCD characteristics.
Table 15.7 LCD Characteristics
V
= 1.8 V to 5.5 V, AV
CC
(including subactive mode) unless otherwise indicated.
Item
Symbol
Segment driver
V
DS
drop voltage
Common driver
V
DC
drop voltage
LCD power
R
LCD
supply split-
resistance
Liquid crystal
V
LCD
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
3. The guaranteed temperature as an electrical characteristic for Die products is 75°C.
Rev. 6.00 Aug 04, 2006 page 478 of 680
REJ09B0145-0600
= 1.8 V to 5.5 V, V
CC
Applicable Values
Pins
Min
Typ
SEG
to
—
—
1
SEG
40
COM
to
—
—
1
COM
4
0.5
3.0
V
2.2
—
1
= 0.0 V, Ta = –20°C to +75°C *
= AV
SS
SS
Test
Max
Unit
Conditions
0.6
V
I
D
V
1
0.3
V
I
D
V
1
9.0
MΩ
Between V
and V
5.5
V
, V
, V
, and V
1
2
3
SS
≥ V
1
3
Notes
*
1
= 2 µA
= 2.7 V to 5.5 V
*
1
= 2 µA
= 2.7 V to 5.5 V
1
SS
*
2
to each segment pin or
≥ V
≥ V
.
2
3
SS
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