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SSD1801AV Datasheet(PDF) 19 Page - List of Unclassifed Manufacturers

Part # SSD1801AV
Description  LCD Segment / Common Driver with Controller for Character Display System
PDF  42 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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SSD1801AV Datasheet(HTML) 19 Page - List of Unclassifed Manufacturers

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SOLOMON
Rev 1
.1
01/2003
SSD1801 Series
18
06h (Pattern 6)
70h
71h
72h
73h
74h
75h
76h
77h
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
07h (Pattern 7)
78h
79h
7Ah
7Bh
7Ch
7Dh
7Eh
7Fh
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
NOTE: “-” Don’t use
“X” Pattern 0 or 1
LCD Driving Voltage Generator and Regulator
This module generates the LCD voltage required for display driving output. It takes a single supply input and
generates necessary voltage levels. This block consists of:
1. 2x/3x DC-DC voltage converter
The built-in Regulated DC-DC voltage converter is used to generate positive LCD driving voltage with reference
to AVSS.
For SSD1801, it is possible to produce boosting from the internal reference voltage VREF. Detail
configurations of the DC-DC converter for boosting are given in Figure 10.
Figure 10 – Configurations for DC-DC Converter
SSD1801
SSD1801
AVDD
C1P
C1N
C2P
VOUT
AVDD
C1P
C1N
C2P
C2N
VOUT
C1
+
+
C2
+
C2
C1
+
+
C2
C2
+
AVDD
AVDD
3x DC-DC Converter
2x DC-DC Converter
Remarks:
C1 = 2.2
µF - 4.7µF
C2 = 0.1
µF - 1µF
Figure 11 - Configurations for Voltage Regulator
DC-DC
Converter
R2
REF
R1
AVss
VREF
VOUT
/VL6
VEXT
VF
+
-
Remarks:
R1 and R2 = 500K-2.5M ohms



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