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ET12864CV2 Schematic ( PDF Datasheet ) - East ET

Teilenummer ET12864CV2
Beschreibung LCD Module
Hersteller East ET
Logo East ET Logo 




Gesamt 13 Seiten
ET12864CV2 Datasheet, Funktion
www.DataSheet4U.com
LCD MODULE
ET12864CV2
Sep.6, 2005
PRODUCT SPECIFICATION
FOR LCM MODULE
MODULE NO. : ET12864CV2
REVERSION : V2
TYPE
: COB
Customer Approval:
PREPARED BY
CHECKED BY
APPROVED BY
DATE
DATE
DATE
EAST ET TECHNOLOGY CO., LTD.
Tel: 86-755-83427955 61332400
E-mail: east@eastet .com
Fax: 86-755-83421997
Http//www.eastet.com
1






ET12864CV2 Datasheet, Funktion
www.DataSheet4U.com
10 DB1
11 DB2
12 DB3
13 DB4
14 DB5
15 DB6
16 DB7
17 /RST
18 VOUT
19 SLA
20 SLK
LCD MODULE
ET12864CV2
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H,H-L
-10.0V
5.0V
0V
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
LCM
LCM
Side light anode
Side light cathode
Figure 2. Block Diagram
Sep.6, 2005
5. ELECTRICAL CHARACTERISTICS (Based on Ta = –20 to 70 deg. C, Vss = 0 V)
DC Characteristics
Table 3. DC Characteristics
Item
Operating voltage
Supply current
VOP
Supply backlight
voltage
Input backlight
current
Output voltage
Input voltage
Symbol
VDD
IDD
VDD-VO
Vled
Min
4.5
-
-
Iled
VOUT
VIL
VIH
-
0
0.7V
DD
Type
5.0
5
10.5
4.2
-
-10
-
-
Max
5.5
10
11.3
4.3
Unit
V
mA
-
V
Applicable
terminal
-
VDD
VDD,VO
LEDA,LEDK
Test
condition
--
During
display
25°C
Turn on LED
180 mA LEDA,LEDK Turn on LED
-V
VOUT
0.3VDD V RS,R/W,CS1,CS
V 2,E,DB0~DB7
VDD=5V
-
AC Characteristics
EAST ET TECHNOLOGY CO., LTD.
Tel: 86-755-83427955 61332400
E-mail: east@eastet .com
Fax: 86-755-83421997
Http//www.eastet.com
6

6 Page









ET12864CV2 pdf, datenblatt
www.DataSheet4U.com
LCD MODULE
ET12864CV2
Sep.6, 2005
Since this module uses a CMOS LSI, the same careful attention should be paid to electrostatic discharge as
for an ordinary CMOS IC.
(1) Make certain that you are grounded when handing LCM.
(2) Before remove LCM from its packing case or incorporating it into a set, be sure the module and your
body have the same electric potential.
(3) When soldering the terminal of LCM, make certain the AC power source for the soldering iron does not
leak.
(4) When using an electric screwdriver to attach LCM, the screwdriver should be of ground potentiality to
minimize as much as possible any transmission of electromagnetic waves produced sparks coming from the
commutator of the motor.
(5) As far as possible make the electric potential of your work clothes and that of the work bench the ground
potential.
(6) To reduce the generation of static electricity be careful that the air in the work is not too dried. A relative
humidity of 50%-60% is recommended.
Precaution for soldering to the LCM
(1) Observe the following when soldering lead wire, connector cable and etc. to the LCM.
- Soldering iron temperature : 260°C ± 10°C.
- Soldering time : 3-4 sec.
- Solder : eutectic solder.
If soldering flux is used, be sure to remove any remaining flux after finishing to soldering operation. (This
does not apply in the case of a non-halogen type of flux.) It is recommended that you protect the LCD surface
with a cover during soldering to prevent any damage dur to flux spatters.
(2) When soldering the electroluminescent panel and PC board, the panel and board should not be
detached more than three times. This maximum number is determined by the temperature and time conditions
mentioned above, though there may be some variance depending on the temperature of the soldering iron.
(3) When remove the electoluminescent panel from the PC board, be sure the solder has completely melted,
the soldered pad on the PC board could be damaged.
(4)Soldering iron is not allowed to touch the surface of FPC’s cover film directly.
Precautions for Operation
(1) Viewing angle varies with the change of liquid crystal driving voltage (VO). Adjust VO to show the best
contrast.
(2) Driving the LCD in the voltage above the limit shortens its life.
(3) Response time is greatly delayed at temperature below the operating temperature range. However, this
does not mean the LCD will be out of the order. It will recover when it returns to the specified temperature
range.
(4) If the display area is pushed hard during operation, the display will become abnormal. However, it will
return to normal if it is turned off and then back on.
(5) Condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit.
Therefore, it must be used under the relative condition of 40°C , 50% RH.
(6) When turning the power on, input each signal after the positive/negative voltage becomes stable.
Storage
When storing LCDs as spares for some years, the following precaution are necessary.
EAST ET TECHNOLOGY CO., LTD.
Tel: 86-755-83427955 61332400
E-mail: east@eastet .com
Fax: 86-755-83421997
Http//www.eastet.com
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