hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 564

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 Electrical Characteristics
16.8.5
Table 16.25 shows the LCD characteristics.
Table 16.25 LCD Characteristics
V
Notes: 1. The voltage step-down from power supply pins V1, V2, V3, and V
Rev. 7.00 Mar 10, 2005 page 522 of 652
REJ09B0042-0700
Item
Segment driver
step-down voltage
Common driver
step-down voltage
LCD power supply
split-resistance
Liquid crystal
display voltage
CC
= 2.7 V to 5.5 V, AV
2. When the liquid crystal display voltage is supplied from an external power supply,
LCD Characteristics
pin or common pin.
ensure that the following relationship is maintained: V
Symbol
V
V
R
V
DS
DC
LCD
LCD
CC
Applicable
Pins
SEG
SEG
COM
COM
V
= 2.7 V to 5.5 V, V
1
1
32
1
4
to
to
Min
—
—
1.5
2.7
SS
Typ
—
—
3.0
—
Values
= AV
SS
Max
0.6
0.3
7.0
5.5
= 0.0 V, unless otherwise specified
Unit
V
V
MΩ
V
CC
≥ V1 ≥ V2 ≥ V3 ≥ V
Test Condition
I
V1 = 2.7 V to 5.5 V
I
V1 = 2.7 V to 5.5 V
Between V1 and
V
D
D
SS
= 2 µA
= 2 µA
SS
to each segment
SS
Reference
Figure
*
*
*
.
1
1
2