S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 18

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

S1D15100 Series
Segment and Common Drivers
The 32 segment drivers and the four common drivers are
4-level outputs that switch between V
and V3 LCD driver voltage levels.
The output states are determined by the display data
values and the common counter as shown in the follow-
ing figure. The outputs are used to drive a 1/3-bias, 1/4-
duty LCD panel.
1–6
Seg 31
Seg 0
to
COM0
COM1
COM2
COM3
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DD
1
2
3
DD
1
2
3
DD
1
2
3
DD
1
2
3
DD
1
2
3
DD
1
2
3
Frame period
DD
and the V1, V2
EPSON
COM0
All segments are OFF.
Segments connected to COM0 are ON.
Segments connected to COM1 are ON.
Segments connected to COM1 or COM3 are ON.
All segments are ON.
0
1
0
0
1
COM1
0
0
1
1
1
COM2
0
0
0
0
1
COM3
0
0
0
1
1
Rev. 1.0