128x64 Graphic LCD Display, 128x64 LCD Module
Model No. WG12864B
►128x64 Graphic LCD Display, 128x64 LCD Module
►Built-in controller (NT7108 or equivalent)
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►WG12864S: Chinese built-in
►WG12864BP1:+3.3V option
►Interface: 6800
DESCRIPTION
WG12864B is a mono 128x64 graphic LCD display, diagonal size 2.4 inch. WG12864A model is built in with NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. This WG12864B 128x64 LCD module is 5V power supply. If you need negative voltage 3.3V power supply, please choose WG12864BP1. This 12864 Graphic LCD module is available for without backlight or with LED backlight options. WG12864B is available in various LCD panel colors including gray, yellow/green and blue LCD options. This model graphic LCD display can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | VDD | Power supply for logic |
| 2 | VSS | Ground |
| 3 | VO | Contrast Adjustment |
| 4~11 | DB0~DB7 | Data bus line |
| 12 | CS1 | Select Column 1~ Column 64 |
| 13 | CS2 | Select Column 65~ Column 128 |
| 14 | /RST | Controller reset signal, Active Low |
| 15 | R/W | Read/Write select signal |
| 16 | D/I | Data/ Instruction select signal |
| 17 | E | Enable signal |
| 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 | 75.0 × 52.7 | mm |
| Viewing Area | 58.8 × 31.4 | mm |
| Mounting Hole | 70.0 × 49.7 | mm |
| Dot Pitch | 0.43 × 0.43 | mm |
| Dot Size | 0.40 × 0.40 | mm |
Electrical Characteristics
| Item | Symbol | Standard Value typ. |
Unit |
|---|---|---|---|
| Input Voltage | VDD | 5.0 | V |
| Recommended LCD Driving Voltage for Normal Temp. Version module @25°C |
VDD-VO | 8.0 | V |
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