Lcd Characteristics - Renesas H8 Series Hardware Manual

Section 16 Electrical Characteristics
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
V
Segment driver
DS
drop voltage
Common driver V
DC
drop voltage
LCD power supply R
LCD
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
Rev. 7.00 Mar 10, 2005 page 468 of 652
REJ09B0042-0700
= 1.8 V to 5.5 V, V
CC
Applicable
Pins Min Typ Max Unit
—
SEG to
1
SEG
32
COM to —
1
COM
4
0.5
V 2.2
1
= AV = 0.0 V, T
SS SS a
= +75°C (Die) (including
a
Values
Test
Conditions
— 0.6 V
I
D
V
1
— 0.3 V I
D
V
1
3.0 9.0 MΩ Between V
V
SS
— 5.5 V
, V , V , and VSS to each segment pin or
1 2 3
≥ V
CC
= –20°C to +75°C (regular
Reference
Figure
* 1
= 2 µA
= 2.7 V to 5.5 V
* 1
= 2 µA
= 2.7 V to 5.5 V
and
1
* 2
≥ V ≥ V ≥ V
.
1 2 3 SS