Lcd Characteristics - Renesas H8 Series Hardware Manual

Section 16 Electrical Characteristics
16.4.5

LCD Characteristics

Table 16.12 shows the LCD characteristics.
Table 16.12 LCD Characteristics
V = 2.7 V to 3.6 V, AV
CC
Item Symbol
Segment driver V
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
3. Applies to the HD64F38024.
4. Applies to the HD64F38024R.
Rev. 7.00 Mar 10, 2005 page 484 of 652
REJ09B0042-0700
= 2.7 V to 3.6 V, V
CC
Applicable
Pins Min Typ Max Unit
SEG to —
1
SEG
32
COM to —
1
COM
4
0.5
1.5
V 2.2
1
= AV = 0.0 V
SS SS
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
3.0 7.0
— 3.6 V
, V , V , and VSS to each segment pin or
1 2 3
≥ V
CC
Reference
Figure
1
*
= 2 µA
= 2.7 V to 3.6 V
1
*
= 2 µA
= 2.7 V to 3.6 V
3
*
and
1
4
*
2
*
≥ V ≥ V ≥ V
.
1 2 3 SS