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Item
Symbol
Absolute
accuracy
Conversion
time
Notes: 1. Set AV
CC
2. AI
is the current in active and sleep modes while the A/D converter is idle.
STOP1
3. AI
is the current at reset and in standby, watch, subactive, and subsleep modes
STOP2
while the A/D converter is idle.
4. Conversion time 62 µs
16.2.5
LCD Characteristics
Table 16.6 shows the LCD characteristics.
Table 16.6 LCD Characteristics
V
= 1.8 V to 5.5 V, AV
CC
specifications), T
= –40°C to +85°C (wide-range specifications), T
a
subactive mode) unless otherwise specified.
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
Rev. 6.00, 08/04, page 454 of 628
Applicable
Pins
Min
—
—
—
12.4
62
= V
when the A/D converter is not used.
CC
= 1.8 V to 5.5 V, V
CC
Applicable
Pins
SEG
to
DS
1
SEG
32
COM
to
DC
1
COM
4
LCD
V
LCD
1
Values
Typ
Max
Unit
—
±3.0
LSB
—
±6.0
—
±8.0
—
124
µs
—
124
= AV
= 0.0 V, T
SS
SS
Values
Min Typ Max Unit
—
—
0.6
V
—
—
0.3
V
0.5
3.0
9.0
MΩ
2.2
—
5.5
V
, V
, V
, and VSS to each segment pin or
1
2
3
Test Condition
AV
= 2.7 V to 5.5 V
CC
V
= 2.7 V to 5.5 V
CC
AV
= 2.0 V to 5.5 V
CC
V
= 2.0 V to 5.5 V
CC
Except the above
AV
= 2.7 V to 5.5 V
CC
V
= 2.7 V to 5.5 V
CC
Except the above
= –20°C to +75°C (regular
a
= +75°C (Die) (including
a
Test
Conditions
I
= 2 µA
D
V
= 2.7 V to 5.5 V
1
I
= 2 µA
D
V
= 2.7 V to 5.5 V
1
Between V
and
1
V
SS
≥ V
≥ V
≥ V
≥ V
CC
1
2
3
SS
Reference
Figure
4
*
Reference
Figure
1
*
*
1
*
2
.
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