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PDF ET12864E-V1 Data sheet ( Hoja de datos )
| Número de pieza | ET12864E-V1 | |
| Descripción | LCD Module | |
| Fabricantes | East ET | |
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LCD MODULE
ET12864E-V1
OCT.31, 2005
PRODUCT SPECIFICATION
FOR LCM MODULE
MODULE NO. : ET12864E-V1
REVERSION : V1
TYPE
: COB
Customer Approval:
PREPARED BY
CHECKED BY
APPROVED BY
DATE
DATE
DATE
EAST ET TECHCHNOLOGYCO., LTD.
Tel: 86-755-83427955 61332400
Fax: 86-755-83421997
E-mail: east@eastet .com
Http//www.eastet.com
1
1 page  
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LCD MODULE
ET12864E-V1
OCT.31, 2005
3. ABSOLUTE MAXIMUM RATINGS ( Ta = 25°C )
Table 1. Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Supply voltage for logic
VDD-VSS
-0.3
7.0
V
Supply voltage driver
VDD-V0
-0.3
13.5
V
Lnput voltage
VI
VSS
VDD
V
Operating temperature
TOP
-20
70
°C
Storage temperature
TST -30
80
°C
*Note: Based on Vss=0V.
OPERATING PRINCIPLES & METHODS*Note: Based on Vss=0V.
4. OPERATING PRINCIPLES & METHODS
1 VSS
2 VDD
3 VO
4 RS
5 R/W
6E
7 DB0
8 DB1
9 DB2
10 DB3
11 DB4
12 DB5
13 DB6
14 DB7
15 CS1
16 CS2
17 RET
18 VEE
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
H/L
H/L
H/L
H/L
Table 2. Interface Pin Connections
Ground
Supply voltage for logic Ground
Input voltage for LCD
H: DB<0:7> Display RAM Data, L: DB<0:7> Instruction Data
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
Chip select signal for IC
Chip select signal for IC
IC Reset signal. L : Active
Contrast adjust Voltage
EAST ET TECHCHNOLOGYCO., LTD.
Tel: 86-755-83427955 61332400
Fax: 86-755-83421997
E-mail: east@eastet .com
Http//www.eastet.com
5
5 Page 
www.DataSheet4U.com
LCD MODULE
ET12864E-V1
OCT.31, 2005
10. USING LCD MODULES
Liquid Crystal Display Modules
LCD is composed of glass and polarizer. Pay attention to the following items when handling.
(1) Please keep the temperature within specified range for use and storage. Polarization degradation,
bubble generation or polarizer peel-off may occur with high temperature and high humidity.
(2) Do not touch, push or rub the exposed polarizers with anything harder than an HB pencil lead (glass,
tweezers, etc.).
(3) N-hexane is recommended for cleaning the adhesives used to attach front/rear polarizers and reflectors
made of organic substances which will be damaged by chemicals such as acetone, toluene, ethanol and
isopropylalcohol.
(4) When the display surface becomes dusty, wipe gently with absorbent cotton or other soft material like
chamois soaked in petroleum benzin. Do not scrub hard to avoid damaging the display surface.
(5) Wipe off saliva or water drops immediately, contact with water over a long period of time may cause
deformation or color fading.
(6) Avoid contacting oil and fats.
(7) Condensation on the surface and contact with terminals due to cold will damage, stain or dirty the
polarizers. After products are tested at low temperature they must be warmed up in a container before coming
is contacting with room temperature air.
(8) Do not put or attach anything on the display area to avoid leaving marks on.
(9) Do not touch the display with bare hands. This will stain the display area and degradate insulation
between terminals (some cosmetics are determinated to the polarizers).
(10) As glass is fragile. It tends to become or chipped during handling especially on the edges. Please avoid
dropping or jarring.
Installing LCD Modules
The hole in the printed circuit board is used to fix LCM as shown in the picture below. Attend to the following
items when installing the LCM.
(1) Cover the surface with a transparent protective plate to protect the polarizer and LC cell.
(2) When assembling the LCM into other equipment, the spacer to the bit between the LCM and the fitting
plate should have enough height to avoid causing stress to the module surface, refer to the individual
specifications for measurements. The measurement tolerance should be ±0.1mm.
Precaution for Handing LCD Modules
Since LCM has been assembled and adjusted with a high degree of precision, avoid applying excessive
shocks to the module or making any alterations or modifications to it.
(1) Do not alter, modify or change the shape of the tab on the metal frame.
(2) Do not make extra holes on the printed circuit board, modify its shape or change the positions of
components to be attached.
(3) Do not damage or modify the pattern writing on the printed circuit board.
(4) Absolutely do not modify the zebra rubber strip (conductive rubber) or heat seal connector.
(5) Except for soldering the interface, do not make any alterations or modifications with a soldering iron.
(6) Do not drop, bend or twist LCM.
EAST ET TECHCHNOLOGYCO., LTD.
Tel: 86-755-83427955 61332400
Fax: 86-755-83421997
E-mail: east@eastet .com
Http//www.eastet.com
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