
S1D15E06 Series
Rev. 2.1
EPSON
7
5.
5.1 Power Pin
PIN DESCRIPTION
V
2
V
1
V
C
MV
1
MV
2
11/14
V
3
9/14
V
3
7/14
V
3
5/14
V
3
3/14
V
3
Pin name
I/O
Description
Number of
pins
6
V
DD
Power
supply
Power
supply
Connect to system MPU power supply pin V
CC
.
V
SS
Connect to the system GND.
MV
3
is short circuited with M
V3
inside the IC chip.
A liquid crystal drive multi-level power supply. The voltages
determined by the liquid crystal cell are impedance-converted by
resistive divider and operational amplifier for application.
The following order must be maintained:
V
3
≥
V
2
≥
V
1
≥
V
C
≥
MV
1
≥
MV
2
≥
MV
3
(=V
SS
)
Master operation: When power supply is turned on, the following
voltage is applied to each pin by the built-in power supply circuit.
MV
3
is connected to with V
SS
inside the IC chip.
8
V
3
, V
2
, V
1
, Power
V
C
, MV
1
,
MV
2
, MV
3
,
(=V
SS
)
14
supply
(2 each)
5.2 LCD Power Supply Circuit Pin
Pin name
CAP1+
I/O
O
Description
Number of
pins
2
Pin connected to the positive side of the step-up capacitor.
Connect the capacitor between this pin and CAP1
–
pin.
Pin connected to the negative side of the step-up capacitor.
Connect the capacitor between this pin and CAP1+ pin.
Pin connected to the positive side of the step-up capacitor.
Connect the capacitor between this pin and CAP2
–
pin.
Pin connected to the negative side of the step-up capacitor.
Connect the capacitor between this pin and CAP2+ pin.
Output pin for step-up.
Connect the capacitor between this pin and V
DD
.
Pin connected to the positive side of the step-up capacitor.
Connect the capacitor between this pin and CAP3
–
pin.
Pin connected to the negative side of the step-up capacitor.
Connect the capacitor between this pin and CAP3+ pin.
Pin connected to the positive side of the step-up capacitor.
Connect the capacitor between this pin and CAP4
–
pin.
Pin connected to the negative side of the step-up capacitor.
Connect the capacitor between this pin and CAP4+ pin.
Keep it open.
Keep it open.
Keep it open.
Keep it open.
CAP1
–
O
2
CAP2+
O
2
CAP2
–
O
2
V
OUT
O
2
CAP3+
O
2
CAP3
–
O
2
CAP4+
O
2
CAP4
–
O
2
CPP+
CPP
–
CPM+
CPM
–
O
O
O
O
1
1
1
1