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PDF WGM240128A Data sheet ( Hoja de datos )

Número de pieza WGM240128A
Descripción Display Module
Fabricantes WELLSTART 
Logotipo WELLSTART Logotipo



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WGM240128A pdf
5.2 Interface Signals
PIN NO SYMBOL LEVEL
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11-18
19
20
21
22
FG 0V Frame Grand
VSS 0V Grand
VDD +5V Supply Voltage for Logic and
LCD
V0 -13.5 Operating Voltage for LCD
(variable)
/WR L Write Signal
/RD L Read Signal
/CE L Chip Enable Signal
C/D H/L H: Instruction Code,L:Data
code
NC --- No Connection
/RES H,H Reset signal
L
D0-D7 H/L Data bit0 Data bit7
FS H/L Font Select Signal(H:6X8Dots,
L:8X8Dots)
VOUT -16 Power Supply Voltage for LCD
NC
NC
PIN NO
23
24
25
26
SYMBOL
ED
CDATA
FR
LP
PIN NO
27
28
29
30
SYMBOL
HSCP
NC
VDD
VSS
PIN NO
31
32
33
34
SYMBOL
YV0
VOUT
A
K
5.3 Interface Timing Chart:
Unless otherwise specified, VDD=5.0 10%, VSS=0V,Ta=-10~70
Item Symbol Test Condition Min. Mix.
C/D Set up Time
Tcds
100 --
C/D Hold Time
Tcdh
10 --
CE,RD,WR Width
Tce,trd,twr
80 --
Data Set up Time
Tds
80 --
Data Hold Time
Tdh
40 --
Access Time
Tacc
-- 150
Output Hold Time
Toh
10 50
Unit
ns
ns
ns
ns
ns
ns
ns

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WGM240128A arduino
8. Precautions for use of LCD Modules
8.1 Handling Precautions
8.1.1 The display panel is made of glass. Do not subject it to a mechanical
shock by droping it from a high place, etc.
8.1.2 If the display panel is damaged and the liquid crystal substance inside
it leaks out, be sure not to get any in your mouth, if the substance
comes into contact with your skin or clothes, promptly wash it off
using soap and water.
8.1.3 Do not apply excessive force to the display surface or the adjoining
areas since thix may cause the color tone to vary.
8.1.4 The polarizer covering the display surface of the LCD module is soft
and easily scratched. Handle this polarizer carefully.
8.1.5 If the display surface become contaminated, breathe on the surface
and gently wibe it with a soft dry cloth. If still not completely clear,
moisten cloth with one of the following solvents:
-----Isopropyl alcohol
-----Ethyl alcohol
Solvents other than those mentioned above may damage the Polarizer.
Especially, see the following:
-----Water
-----Ketone
-----Aromatic solvents
8.1.6 Do not attempt to disassemble the LCD Module
8.1.7 NC terminal should be open. Do not connect anything
8.1.8 If the logic circuit power is off, do not apply the input signals
8.1.9 To prevent destruction of the elemnts by electricity, be carejul to
maintain am optimun work environment
a. Be sure to ground the body when handing the LCD Modules
b. Tllos required for assembly, such as soldering
c. Irons, must be properly ground
d. To reduce the amount of static electricity generated do not conduct
assembly and other work under dry conditions
e. The LCD Module is coated with a film to protect the display sruface.
Be care when peeling off this protective film since static electricity
may be generated.

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