S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 64

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

S1D15210 Series
(3) LCD Drive Circuit Signals
3–6
Name
SEGn
CL
FR
Input. Effective for an external clock operation model only.
This is a display data latch signal to count up the line counter and common counter
at each signal falling and rising edges.
Input.
This is an input pin of LCD AC signals, and connected to the FR pin of common
driver.
Output.
The output pin for LCD column (segment) driving. A single level of V
V
SS
is selected by the combination of display RAM contents and FR signal.
FR signal
Data
Output level
EPSON
Description
V
1
C5
1
V
0
C3
V
1
SS
0
V
0
C2
C5
, V
C3
Rev. 1.1
, V
C2
,