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LCD drive voltage
(1/4 bias, V
reference voltage)
C2
V
= 2.7 to 3.6 V
DD
LCD8PWR.BISEL bit = 1
LCD8PWR.VCSEL bit = 1
LCD drive voltage
(1/4 bias, V
reference voltage)
C1
V
= 1.2 to 3.6 V
*3
DD
LCD8PWR.BISEL bit = 1
LCD8PWR.VCSEL bit = 0
Segment/Common output
current
S1C17W18 TECHNICAL MANUAL
(Rev. 1.2)
Symbol
Condition
V
Connect 1 MW
LCD8PWR.LC[4:0] bits = 0x09
C4
load resistor
LCD8PWR.LC[4:0] bits = 0x0a
between V
and
LCD8PWR.LC[4:0] bits = 0x0b
SS
V
C4
LCD8PWR.LC[4:0] bits = 0x0c
LCD8PWR.LC[4:0] bits = 0x0d
LCD8PWR.LC[4:0] bits = 0x0e
LCD8PWR.LC[4:0] bits = 0x0f
LCD8PWR.LC[4:0] bits = 0x10
LCD8PWR.LC[4:0] bits = 0x11
LCD8PWR.LC[4:0] bits = 0x12
LCD8PWR.LC[4:0] bits = 0x13
LCD8PWR.LC[4:0] bits = 0x14
LCD8PWR.LC[4:0] bits = 0x15
LCD8PWR.LC[4:0] bits = 0x16
LCD8PWR.LC[4:0] bits = 0x17
LCD8PWR.LC[4:0] bits = 0x18
LCD8PWR.LC[4:0] bits = 0x19
LCD8PWR.LC[4:0] bits = 0x1a
LCD8PWR.LC[4:0] bits = 0x1b
LCD8PWR.LC[4:0] bits = 0x1c
LCD8PWR.LC[4:0] bits = 0x1d
LCD8PWR.LC[4:0] bits = 0x1e
LCD8PWR.LC[4:0] bits = 0x1f
V
Connect 1 MW load resistor between V
C1
V
Connect 1 MW load resistor between V
C2
V
Connect 1 MW load resistor between V
C3
V
Connect 1 MW
LCD8PWR.LC[4:0] bits = 0x00
C4
load resistor
LCD8PWR.LC[4:0] bits = 0x01
between V
and
LCD8PWR.LC[4:0] bits = 0x02
SS
V
C4
LCD8PWR.LC[4:0] bits = 0x03
LCD8PWR.LC[4:0] bits = 0x04
LCD8PWR.LC[4:0] bits = 0x05
LCD8PWR.LC[4:0] bits = 0x06
LCD8PWR.LC[4:0] bits = 0x07
LCD8PWR.LC[4:0] bits = 0x08
LCD8PWR.LC[4:0] bits = 0x09
LCD8PWR.LC[4:0] bits = 0x0a
LCD8PWR.LC[4:0] bits = 0x0b
LCD8PWR.LC[4:0] bits = 0x0c
LCD8PWR.LC[4:0] bits = 0x0d
LCD8PWR.LC[4:0] bits = 0x0e
LCD8PWR.LC[4:0] bits = 0x0f
LCD8PWR.LC[4:0] bits = 0x10
LCD8PWR.LC[4:0] bits = 0x11
LCD8PWR.LC[4:0] bits = 0x12
LCD8PWR.LC[4:0] bits = 0x13
LCD8PWR.LC[4:0] bits = 0x14
LCD8PWR.LC[4:0] bits = 0x15
LCD8PWR.LC[4:0] bits = 0x16
LCD8PWR.LC[4:0] bits = 0x17
LCD8PWR.LC[4:0] bits = 0x18
LCD8PWR.LC[4:0] bits = 0x19
LCD8PWR.LC[4:0] bits = 0x1a
LCD8PWR.LC[4:0] bits = 0x1b
LCD8PWR.LC[4:0] bits = 0x1c
LCD8PWR.LC[4:0] bits = 0x1d
LCD8PWR.LC[4:0] bits = 0x1e
LCD8PWR.LC[4:0] bits = 0x1f
I
SEGxx, COMy
SEGH
V
= V
/V
/V
/V
SEGH
C4
C3
C2
I
SEGxx, COMy
SEGL
V
= V
/V
/V
/V
SEGL
C4
SS
C2
Seiko Epson Corporation
23 ELECTRICAL CHARACTERISTICS
and V
SS
C1
and V
SS
C2
and V
SS
C3
- 0.1 V, Ta = -40 to 85 °C
C1
+ 0.1 V, Ta = -40 to 85 °C
C1
Min.
Typ.
Max.
3.76
3.92
4.08
3.82
3.98
4.14
3.88
4.04
4.20
3.94
4.10
4.26
3.99
4.16
4.33
4.05
4.22
4.39
4.10
4.27
4.44
4.16
4.33
4.50
4.21
4.39
4.57
4.27
4.45
4.63
4.33
4.51
4.69
4.39
4.57
4.75
4.44
4.63
4.82
4.50
4.69
4.88
4.55
4.74
4.93
4.61
4.80
4.99
4.67
4.86
5.05
4.72
4.92
5.12
4.78
4.98
5.18
4.84
5.04
5.24
4.90
5.10
5.30
4.95
5.16
5.37
5.00
5.21
5.42
0.237 ×
–
0.267 ×
V
(Typ.)
V
(Typ.)
C4
C4
0.485 ×
–
0.520 ×
V
(Typ.)
V
(Typ.)
C4
C4
0.730 ×
–
0.783 ×
V
(Typ.)
V
(Typ.)
C4
C4
3.21
3.34
3.47
3.26
3.40
3.54
3.32
3.46
3.60
3.38
3.52
3.66
3.43
3.57
3.71
3.48
3.63
3.78
3.54
3.69
3.84
3.60
3.75
3.90
3.66
3.81
3.96
3.71
3.86
4.01
3.76
3.92
4.08
3.82
3.98
4.14
3.88
4.04
4.20
3.94
4.10
4.26
3.99
4.16
4.33
4.04
4.21
4.38
4.10
4.27
4.44
4.16
4.33
4.50
4.21
4.39
4.57
4.27
4.45
4.63
4.32
4.50
4.68
4.38
4.56
4.74
4.44
4.62
4.80
4.49
4.68
4.87
4.55
4.74
4.93
4.61
4.80
4.99
4.66
4.85
5.04
4.71
4.91
5.11
4.77
4.97
5.17
4.83
5.03
5.23
4.89
5.09
5.29
4.93
5.14
5.35
–
–
-10
10
–
–
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
µA
23-13
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