PACIFIC DISPLAY DEVICES
LCD Component Data Sheet
Model Number: 24203
24 Character by 2 Line
Alphanumeric LCD Assembly
With Embedded Controller
CONTENTS
1.
GENERAL INFORMATION
1.1 Product Overview
1.2 Part Numbering System
1.3 Absolute Maximum Ratings
1.4 Circuit Block Diagram
1.5 Mechanical Characteristics
1.6 Input Signal Function
1.7 LCM Contrast Control and Bias
1.8 LCD Dimensions
ELECTRICAL / OPTICAL CHARACTERISTICS
2.1 DC Electrical Characteristics
2.2 AC Electrical Characteristics
2.3 Optical Characteristics
2.4 LED Backlight Characteristics
OPERATING PRINCIPALS AND METHODS
3.1 LCD Controller Display and Control Functions
3.2 Display Data RAM Address Map
RELIABILITY
PRECAUTIONS FOR USING LCD MODULES
2
2
3
3
3
4
4
5
2.
6
6
7
8
3.
9
9
10
11
4.
5.
139 Avenida Victoria – Suite 100 – San Clemente, CA – 92672
Tel: 949-361-8957 – Fax: 949-361-9158 – Web: www.pacificdisplay.com
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 24203
1. GENERAL INFORMATION
1.1 Product Overview
•
24 Character x 2 line Alphanumeric Dot Matrix LCD Module
•
LCD Controller: Embedded ST7066U (or equivalent) alpha-numeric controller (ROM code 0A)
•
Multiplexing driving: 1/16 duty, 1/5 bias
•
Operating Mode: Super Twisted Nematic (STN) technology
•
LCD Module Service Life: 100,000 hours minimum
1.2 Part Numbering System
24203
-SL
-F
-ST
-LED
-GY
-6
-C
Operating Mode
•
(-GR) Green
•
(-SL) Silver
•
(-BN) Blue Negative
Rear Polarizer Options:
•
(-R) Reflective
•
(-F) Transflective
•
(-M) Transmissive
Operating Temperature
•
(-ST) Standard (0 to +50 ºC)
•
(-ET) Extended (-20 to +70 ºC)
Backlight Options:
•
(-LED) LED Array Backlight
Backlight Coloration Options:
•
(-GY) LED - Green/Yellow
Viewing Angle
•
(-6) 6 o’clock
•
(-12) 12 0’clock
Custom Option Designator
•
(-C) FPC Connector Interface
•
(Blank) Solder Pad Thru Holes
PACIFIC DISPLAY DEVICES
03.15.2009
2
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 24203
1.3 Absolute Maximum Ratings
Parameter
Supply voltage for logic
Supply voltage for LCD
Input voltage
Standard Operating temperature
Standard Storage temperature
Extended Operating temperature
Extended Storage temperature
Soldering Temp
1.4 Circuit Block Diagram
Symbol
V
DD
V
DD
– V0
VI
TOP (-ST)
TST (-ST)
TOP (-ET)
TST (-ET)
Tsolder
Min
-0.3
--
-0.3
0
-10
-20
-30
Max
7.0
V
DD
+0.3
V
DD
+0.3
50
60
70
80
260
Unit
V
V
V
ºC
ºC
ºC
ºC
ºC
DB0
~
DB7
RS
R/W
E
VSS
VDD
VO
BLA
BLK
Control signals
SEGMENT DRIVER IC
CONTROLLER
IC
SEG40
SEG80
ST7066U
COM16
LCD PANEL
24 CHARACTERS x 2 LINES
EL / LED BACK LIGHT
1.5 Mechanical Characteristics
Item
Module size (W×H×T)
Viewing area (W×H)
Character matrix (W×H)
Character size (W×H)
Dot size (W×H)
Dot pitch (W×H)
Contents
121 x 28.4 x 14.7 Max
94.50
×
18.0
5
×
8
3.20
×
5.55
0.60
×
0.65
0.65
×
0.70
Unit
mm
mm
dots
mm
mm
mm
PACIFIC DISPLAY DEVICES
03.15.2009
3
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 24203
1.6 Input Signal Function
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Symbol
Chassis
Chassis
VSS
VDD
VO
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
BLA +
BLK -
Level
---
---
0V
5.0V
---
H/L
H/L
H, H
→
L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
4.2V
0V
Description
Frame Ground Connection
Frame Ground Connection
Ground
Supply voltage for logic
Contrast Bias voltage for LCD
H : Data signal, L : Instruction signal
H : Read mode, L : Write mode
Chip enable signal
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
Back light anode
Back light cathode
1.7 LCM Contrast Control and Bias
PACIFIC DISPLAY DEVICES
03.15.2009
4
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 24203
1.8 LCM Dimensions
PACIFIC DISPLAY DEVICES
03.15.2009
5
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