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Graphic Module 128x64

Model No. WG12864E

►Graphic Module 128x64
►128 x 64 dots + 4 icons
►Built-in controller NT7108
►+5V power supply
►1/64 duty cycle
►EL backlight (Built-in EL inverter)
►Built-in negative voltage
►WG12864E1: LED B/L with 4 ICONs, Outline 55.0x50.0mm
►WG12864EP2: LED B/L without ICONs, Ouline 55.0x60.0mm
►Interface: 6800


WG12864E is a monochrome LCD module 128x64 dot matrix graphic display.  WG12864E model is built in with NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface.  The WG12864E LCD display is 5V power supply and only available for EL backlight.  WG12864E type is having 4 icons on LCD; it’s built in negative voltage and EL inverter on module.  If you would like to use LED backlight, please choose WG12864E1, but please note the outline of WG12864E1 is 50 x 50 mm; it’s a little larger than WG12864E type.  There is another option for customers, if you would like to use LED backlight also without 4 icons on LCD; please choose WG12864EP2.  The outline of WG12864EP2 is 55x60 mm; it’s larger than WG12864E (54x50mm) and WG12864E1 (55x50mm).


Graphic Module 128x64 - WG12864E


Interface Pin Function

Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 D/I Data/ Instruction  select signal
5 R/W Read/Write select signal
6 E Enable signal
7~14 DB0~DB7 Data bus line
15 CS1 Chip Enable (Select Column 1 ~ Column 64)
16 CS2 Chip Enable (Select Column 65 ~ Column 128)
17 /RST Controller reset signal, Active Low
18 VEE Negative Voltage Output
19 A Power supply for B/L +
20 K Power supply for B/L -

Mechanical Data

Item Standard Value Unit
Module Dimension 54.0 × 50.0 mm
Viewing Area 43.5 × 29.0 mm
Mounting Hole 45.0 × 49.0 mm
Dot Pitch 0.32 × 0.39 mm
Dot Size 0.28 × 0.35 mm

Electrical Characteristics

Item Symbol Standard Value
Input Voltage VDD 5.0 V
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C
VDD-VO 8.40 V

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