S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 198

• Manufacturer Part Number: S1D12200
• Description: S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
• Manufacturer: Epson Electronics America, Inc.

S1D12400 Series
5. PIN DESCRIPTION
Power Supply Pins
LCD Power Circuit Pins
6–10
Pin name
Pin name
CAP1+
CAP1–
CAP2+
CAP2–
V
V
V
V
V
Substrate potential
V
V
V
0
2
4
V
OUT
SS2
, V
, V
, V
DD
SS
S1
R
1
3
5
Power supply Connected to the logic power supply. This is used in common with
Power supply 0 V power pin that is connected to system GND.
Power supply Multi-level power supply for liquid crystal drive.
I/O
I/O
O
O
O
O
O
O
I
I
IC board is based on V
the MPU power pin V
The voltage determined for the liquid crystal cell is applied by
resistance-division or impedance conversion by operational
amplifier. The potential is determined on V
relations must be observed.
When the built-in power supply is ON, the following voltages are
given to V1 to V4 by command selection.
Supply voltage output pin for oscillating circuit.
Don’t connect a load to the outside.
Boosting condenser positive side connecting pin.
Condenser is connected with the CAP1– pin.
Boosting condenser negative side connecting pin.
Condenser is connected with the CAP1+ pin.
Boosting condenser positive side connecting pin.
Condenser is connected with the CAP2– pin.
A boosting condenser negative side connecting pin.
Condenser is connected with the CAP2+ pin.
Output pin for boosting. Smoothing condenser is connected
with V
Voltage adjusting pin. Voltage between V
resistance-division.
Boosting power pin. The voltage between V
boosted by a specified multiple.
V
V
V
V
V
V
V
DD
DD
DD
1
2
3
4
DD
= 1/5 V
= 2/5 V
= 3/5 V
= 4/5 V
= V
.
V
V
SS
0
5
5
5
5
5
V
V
V
1
OUT
SS2
EPSON
1/4 V
2/4 V
2/4 V
3/4 V
V
CC
2
DD
.
V
V
5
5
5
5
OUT
potential. To lock the board potential with V
3
Description
Description
V
4
V
5
DD
DD
DD
and V
and the following
and V
5
is given by
SS2
is
Rev. 2.1
DD
No. of Pins
No. of Pins
.
6
4
6
1
1
1
1
1
1
1
1