E0C63466
● LCD Driver
(Unless otherwise specified: VDD=3.0V, VSS=0V, fOSC1=32.768kHz, C
G
=25pF, Ta=25°C,
–C =0.2µF)
Max. Unit
VD1/VC1/VC2/VC4/VC5 are internal voltage, C
1
8
Item
Symbol
Condition
Connect 1 MΩ load resistor
between VSS and VC1
(without panel load)
Min.
Typ.
LCD drive voltage
VC1
LC0–3="0"
LC0–3="1"
LC0–3="2"
LC0–3="3"
LC0–3="4"
LC0–3="5"
LC0–3="6"
LC0–3="7"
LC0–3="8"
LC0–3="9"
LC0–3="10"
LC0–3="11"
LC0–3="12"
LC0–3="13"
LC0–3="14"
LC0–3="15"
0.975
0.990
1.005
1.020
1.035
1.050
1.065
1.080
(when VC1 standard is selected)
Typ.
Typ.
V
×0.88 1.095 ×1.12
1.110
1.125
1.140
1.155
1.170
1.185
1.200
V
V
V
V
V
C2
C4
C5
C1
C2
Connect 1 MΩ load resistor between VSS and VC2
(without panel load)
Connect 1 MΩ load resistor between VSS and VC4
(without panel load)
Connect 1 MΩ load resistor between VSS and VC5
(without panel load)
Connect 1 MΩ load resistor between VSS and VC1
(without panel load)
2·VC1
3·VC1
4·VC1
2·VC1
×0.9
3·VC1
×0.9
4·VC1
×0.9
1/2·VC2
×0.95
V
V
V
V
LCD drive voltage
(when VC2 standard is selected)
1/2·VC2
-0.1
Connect 1 MΩ load resistor
between VSS and VC2
(without panel load)
LC0–3="0"
1.95
1.98
2.01
2.04
2.07
2.10
2.13
2.16
2.19
2.22
2.25
2.28
2.31
2.34
2.37
2.40
LC0–3="1"
LC0–3="2"
LC0–3="3"
LC0–3="4"
LC0–3="5"
LC0–3="6"
LC0–3="7"
LC0–3="8"
LC0–3="9"
LC0–3="10"
LC0–3="11"
LC0–3="12"
LC0–3="13"
LC0–3="14"
LC0–3="15"
Typ.
×0.88
Typ.
×1.12
V
V
V
C4
C5
Connect 1 MΩ load resistor between VSS and VC4
(without panel load)
Connect 1 MΩ load resistor between VSS and VC5
(without panel load)
3/2·VC2
×0.95
2·VC2
×0.95
3/2·VC2
2·VC2
V
V
8
SEIKO [ SEIKO EPSON CORPORATION ]
