PACIFIC DISPLAY DEVICES
LCD Component Data Sheet
Model Number: 320240-24
320 x 240 Dot
Graphic LCD Assembly
With Full Graphic Controller (SED-1335 / RA8835)
Edge Lit LED / CCFL Backlight Options
Integrated Touch Screen Controller Option
CONTENTS
1.
GENERAL INFORMATION
1.1 Product Overview
1.2 Part Options and Numbering System
1.3 Absolute Maximum Ratings
1.4 Circuit Block Diagram
1.5 Mechanical Characteristics
1.6 Input Signal Function
1.7 LCM Power, Contrast Control and Bias
1.8 Touch Screen Controller Interconnect Information
1.9 LCD Dimensions
ELECTRICAL / OPTICAL CHARACTERISTICS
2.1 DC Electrical Characteristics
2.2 AC Electrical Characteristics
2.3 Optical Characteristics
2.4 LED Backlight Characteristics
2.5 CCFL Backlight Characteristics
2.6 Touch Panel Characteristics
LCD CONTROLLER CHARACTERISTICS
3.1 LCD Controller Display and Control Functions
3.2 LCD Controller Character Code map
RELIABILITY
PRECAUTIONS FOR USING LCD MODULES
139 Avenida Victoria – Suite 100 – San Clemente, CA – 92672
Tel: 949-361-8957 – Fax: 949-361-9158 – Web: www.pacificdisplay.com
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 320240-24
1. GENERAL INFORMATION
1.1 Product Overview
•
320 x 240 dot matrix LCD
•
FSTN (Film compensated Super Twisted Nematic) & STN Technology
•
SED-1335 or RA8835 Graphic LCD Controller.
•
Multiplex drive : 1/240 duty, 1/14 bias
•
LCD Module Service Life: 100,000 hours minimum
•
24 Pin Flat Ribbon Cable Interface (No Touch Screen Controller)
•
26 Pin Flat Ribbon Cable Interface (Optional Integrated Touch Screen Controller)
1.2 Part Options and Numbering System
320240
-24
-FC
-F
-ST
-ELED
-WH
-6
-V-TC-TS
Custom Option Designator:
•
(-24) SED1335 / RA8835 Cntlr
Operating Mode:
•
(-SL) STN Silver / Gray
•
(-GR) STN Green
•
(-BN) STN Blue Negative Image
•
(-FC) FSTN (B&W) Positive Image
•
(-FN) FSTN (B&W) Negative Image
Rear Polarizer Options:
•
(-F) Transflective
•
(-M) Transmissive
•
(-R) Reflective (No Backlight)
Operating Temperature:
•
(-ST) Standard (0 to +50 ºC)
•
(-ET) Extended (-20 to +70 ºC)
Backlight Options:
•
(-ELED) Edge Lit LED Backlight
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(-CFL) Cold Cathode Florescent Lamp Backlight
Backlight Coloration Options:
•
(-WH) ELED / CFL – Backlight
•
(-GY) LED - Green / Yellow Backlight
•
Viewing Angle:
•
(-6) 6 o’clock
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(-12) 12 0’clock
Additional Options:
•
(-V) -22V DC-DC Vee Internal Power Supply
•
(-TC) Internal contrast related temperature compensation circuitry
•
(-TS) Analog Resistive Touch Screen Overlay
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(-TSC) Analog Resistive Touch Screen Overlay with embedded touch screen controller
Pacific Display Devices
09.21.2007
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 320240-24
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
Symbol
V
DD
V
DD
– V0
VI
TOP (-ST)
TST (-ST)
TOP (-ET)
TST (-ET)
Tsolder
Min
-0.3
-0.3
-0.3
0
-10
-20
-30
260
Max
7.0
30.0
V
DD
+0.3
50
60
70
80
Unit
V
V
V
ºC
ºC
ºC
ºC
ºC
1.4 Circuit Block Diagram
D0 – D7
/RD
/WR
/CS
A0
RESET
VDD
VSS
VO
SRAM
32K
Controller
SED-1335
RA8835
SEG Drivers
HD 66206 X 4
S320
Bias
Circuitry
To LSI
COM. Driver
HD66206 X 3
C240
LCD Panel
320 x 240 Dots
LED Edge-Lit
Backlight
-22V DC-DC Converter (Optional)
& Temp Comp Circuitry (Optional)
Analog Resistive
Touch Screen
TS-9504
(Optional)
Anode
Cathode
Vee
X1 & X2
Y1 & Y2
TS Control Lines
Touch Screen Controller
ADS 7843
1.5 Mechanical Characteristics
Item
Module size (W×H×T)
Viewing area (W×H)
Active area (W×H)
Number of dots
Dot size (W×H)
Dot pitch (W×H)
Contents
167.0 x 109.0 x 11.0 Max
167.0 x 109.0 x 12.6 Max (With Optional Touch Screen)
120.0
×
90.0
115.18
×
86.38
320
×
240
0.34
×
0.34
0.36
×
0.36
Unit
mm
mm
mm
dots
mm
mm
Pacific Display Devices
09.21.2007
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 320240-24
1.6 Input Signal Function
CN2 – Flat Cable Interface (No Touch Screen Controller)
Pin No.
Symbol
Description
1
2
3
4
5
6-13
14
15
16
17
18-22
23
24
/RESET
/RD
/WR
/CS
AO
DB0-DB7
VDD
VSS
VEE / NC
VO
NC
LED A
LED K
/Reset
/Data Read (8080) - E (6800)
/Data Write (8080) - RD - /WR (6800)
/Chip Select
Data Type Select
Bidirectional Data Bus Lines
Supply voltage for logic
Ground (0V)
LCD Negative Voltage Output (for –V option, otherwise N.C.)
LCD Negative Contrast Adj & Bias
No Connection
Anode Power LED Backlight
Cathode Power LED Backlight
CN1: Flex Cable Connectors (Embedded Touch Screen Controller Option “-TSC”)
Pin No.
Symbol
Description
1
VSS
Ground (0V)
2
VDD
Supply voltage for logic
3
VO
LCD Negative Contrast Adj & Bias
4
AO
Data Type Select
5
/WR
/Data Write (8080)
RD - /WR (6800)
6
/RD
/Data Read (8080)
E (6800)
7-14
DB0-DB7
Bidirectional Data Bus Lines
15
/CS
/Chip Select
16
/RESET
/Reset
17
VEE / NC
LCD Negative Voltage Output (for –V option, otherwise N.C.)
18
SEL1
8080 / 6800 family interface select
19
SK
* Serial Clock for Touch Screen Controller
20
/CS ADS
* Chip select for Touch Screen Controller. Active low.
21
Din
* Data In of Touch Screen Controller
22
Dout
* Data Out of Touch Screen Controller
23
/PEN IRQ
* Touch signal for Touch Screen Controller. Goes low when screen is touched.
24
Pull Up Ena
* 100K Pull up resistor on PEN IRQ out enable (See schematic Section 1.8)
25
PL
* Connect 5
th
wire on 5 wire screens, or Gen Purpose ADC input
26
GP
* General Purpose ADC Input
*Note:
Please refer to the Section 1.8 in this document and the Texas Instruments / Burr-Brown ADS7843 data sheet and
application notes for more detailed information on the touch screen controller and its interface.
Backlight Power Pads
Pin No.
Symbol
A
K
LED A
LED K
Description
Anode Power LED Backlight
Cathode Power LED Backlight
Pacific Display Devices
09.21.2007
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 320240-24
1.7 LCM Power, Contrast Control and Bias
+5V
VDD
VO
VEE
VSS
-22V
VR:
20Kohm
VDD
VO
VEE
VSS
VR:
20Kohm
+5V
LCM
A
LED/CCFL
Backlight
K
Backlight
Power
LCM
A
LED/CCFL
Backlight
K
Backlight
Power
*Note 1 : DC-to-DC Converter Not Built In
*Note 2: DC-to-DC Converter Built In (-V)
Note 3: If “-V” and “–TC” options are selected (-Vee and Temperature Compensation options), the Vo and Vee pins are not
connected and the contrast will come preset from the factory
Pacific Display Devices
09.21.2007
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Embedded System
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