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23 ELECTRICAL CHARACTERISTICS
Item
LCD drive voltage
(1/2 bias, V
reference voltage)
C1
V
= 1.8 to 5.5 V
*3
DD
LCD8DPWR.BIASSEL bit = 0
LCD8DPWR.VCSEL bit = 0
LCD drive voltage
(1/2 bias, V
reference voltage)
C2
V
= 1.8 to 5.5 V
*3
DD
LCD8DPWR.BIASSEL bit = 0
LCD8DPWR.VCSEL bit = 1
Segment/Common output
current
LCD circuit current
(1/3 bias, V
reference voltage,
C2
Waveform B)
LCD circuit current
(1/3 bias, V
reference voltage,
C1
Waveform B)
23-16
Symbol
Condition
V
Connect 1 MW
LCD8DPWR.LC[4:0] bits = 0x13
C3
load resistor
LCD8DPWR.LC[4:0] bits = 0x14
between V
LCD8DPWR.LC[4:0] bits = 0x15
SS
and V
LCD8DPWR.LC[4:0] bits = 0x16
C3
LCD8DPWR.LC[4:0] bits = 0x17
LCD8DPWR.LC[4:0] bits = 0x18
LCD8DPWR.LC[4:0] bits = 0x19
LCD8DPWR.LC[4:0] bits = 0x1a
LCD8DPWR.LC[4:0] bits = 0x1b
LCD8DPWR.LC[4:0] bits = 0x1c
LCD8DPWR.LC[4:0] bits = 0x1d
LCD8DPWR.LC[4:0] bits = 0x1e
LCD8DPWR.LC[4:0] bits = 0x1f
V
Connect 1 MW load resistor between V
C2
V
(V
)
C2
C1
V
Connect 1 MW
LCD8DPWR.LC[4:0] bits = 0x00
C3
load resistor
LCD8DPWR.LC[4:0] bits = 0x01
between V
LCD8DPWR.LC[4:0] bits = 0x02
SS
and V
LCD8DPWR.LC[4:0] bits = 0x03
C3
LCD8DPWR.LC[4:0] bits = 0x04
LCD8DPWR.LC[4:0] bits = 0x05
LCD8DPWR.LC[4:0] bits = 0x06
LCD8DPWR.LC[4:0] bits = 0x07
LCD8DPWR.LC[4:0] bits = 0x08
LCD8DPWR.LC[4:0] bits = 0x09
LCD8DPWR.LC[4:0] bits = 0x0a
LCD8DPWR.LC[4:0] bits = 0x0b
LCD8DPWR.LC[4:0] bits = 0x0c
LCD8DPWR.LC[4:0] bits = 0x0d
LCD8DPWR.LC[4:0] bits = 0x0e
LCD8DPWR.LC[4:0] bits = 0x0f
LCD8DPWR.LC[4:0] bits = 0x10
LCD8DPWR.LC[4:0] bits = 0x11
LCD8DPWR.LC[4:0] bits = 0x12
LCD8DPWR.LC[4:0] bits = 0x13
LCD8DPWR.LC[4:0] bits = 0x14
LCD8DPWR.LC[4:0] bits = 0x15
LCD8DPWR.LC[4:0] bits = 0x16
LCD8DPWR.LC[4:0] bits = 0x17
LCD8DPWR.LC[4:0] bits = 0x18
LCD8DPWR.LC[4:0] bits = 0x19
LCD8DPWR.LC[4:0] bits = 0x1a
LCD8DPWR.LC[4:0] bits = 0x1b
LCD8DPWR.LC[4:0] bits = 0x1c
LCD8DPWR.LC[4:0] bits = 0x1d
LCD8DPWR.LC[4:0] bits = 0x1e
LCD8DPWR.LC[4:0] bits = 0x1f
I
SEG0–55, COM0–7,
SEGH
V
= V
/V
/V
- 0.1 V, Ta = -40 to 105°C
SEGH
C3
C2
C1
I
SEG0–55, COM0–7,
SEGL
V
= V
/V
/V
+ 0.1 V, Ta = -40 to 105°C
SEGL
C3
C2
C1
I
LCD8DDSP.DSPC[1:0] bits = 0x1 (checker pattern),
LCD1
LCD8DPWR.BIASSEL bit = 1,
LCD8DPWR.VCSEL bit = 1,
LCD8DTIM2.LCDWAVE bit = 0
LCD8DDSP.DSPC[1:0] bits = 0x2 (all on),
LCD8DPWR.BIASSEL bit = 1,
LCD8DPWR.VCSEL bit = 1,
LCD8DTIM2.LCDWAVE bit = 0
I
LCD8DDSP.DSPC[1:0] bits = 0x1 (checker pattern),
LCD1
LCD8DPWR.BIASSEL bit = 1,
LCD8DPWR.VCSEL bit = 0,
LCD8DTIM2.LCDWAVE bit = 0
LCD8DDSP.DSPC[1:0] bits = 0x2 (all on),
LCD8DPWR.BIASSEL bit = 1,
LCD8DPWR.VCSEL bit = 0,
LCD8DTIM2.LCDWAVE bit = 0
Seiko Epson Corporation
Min.
3.04
3.14
3.25
3.35
3.40
3.45
3.50
3.55
3.60
3.63
3.68
3.73
3.78
and
0.485 ×
SS
V
(Typ.)
C3
3.31
3.41
3.51
3.63
3.73
3.84
3.94
4.04
4.14
4.24
4.34
4.55
4.75
4.95
5.15
5.35
5.56
5.76
5.96
6.17
6.37
–
–
–
–
–
–
–
–
–
–
–
–
10
–
*1 *2
–
*1 *2
–
*1 *2
–
*1 *2
S1C31W65 TECHNICAL MANUAL
Typ.
Max.
Unit
3.18
3.31
V
3.28
3.42
V
3.39
3.53
V
3.49
3.63
V
3.54
3.69
V
3.59
3.74
V
3.65
3.80
V
3.70
3.85
V
3.75
3.91
V
3.80
3.98
V
3.86
4.03
V
3.91
4.09
V
3.96
4.14
V
–
0.515 ×
V
V
(Typ.)
C3
3.44
3.56
V
3.54
3.67
V
3.65
3.78
V
3.75
3.87
V
3.85
3.98
V
3.96
4.08
V
4.06
4.19
V
4.17
4.30
V
4.27
4.41
V
4.38
4.51
V
4.48
4.62
V
4.69
4.84
V
4.90
5.05
V
5.11
5.27
V
5.32
5.48
V
5.53
5.70
V
5.73
5.91
V
5.94
6.13
V
6.15
6.34
V
6.36
6.56
V
6.57
6.77
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
–
V
–
-10
µA
–
–
µA
2.5
5.3
µA
1.1
2.4
µA
4.8
10.2
µA
1.9
4.4
µA
(Rev. 1.1)
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