128x64 Graphic LCD Display, 128x64 LCD Module
Model No. WG12864B
►128x64 Graphic LCD Display, 128x64 LCD Module
►IC: NT7107, NT7108
►+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
Data source ref:WG12864B-TFH-N#N
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VDD | 5.0V | Supply voltage for logic |
| 2 | VSS | 0V | Ground |
| 3 | Vo | (Variable) | Contrast Adjustment |
| 4 | DB0 | H/L | Data bus line |
| 5 | DB1 | H/L | Data bus line |
| 6 | DB2 | H/L | Data bus line |
| 7 | DB3 | H/L | Data bus line |
| 8 | DB4 | H/L | Data bus line |
| 9 | DB5 | H/L | Data bus line |
| 10 | DB6 | H/L | Data bus line |
| 11 | DB7 | H/L | Data bus line |
| 12 | CS1 | L | Select Column 1~ Column 64 |
| 13 | CS2 | L | Select Column 65~ Column 128 |
| 14 | /RST | L | Reset signal |
| 15 | R/W | H/L | H: Read (MPU←Module) , L: Write (MPU→Module) |
| 16 | D/I | H/L | H: Data , L : Instruction |
| 17 | E | H | Enable signal |
| 18 | NC | － | No connection |
| 19 | A | － | Power Supply for LED backlight ( + ) |
| 20 | K | － | Power Supply for LED backlight ( - ) |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 75.0 x 52.7 x 8.9(Max) | mm |
| View area | 58.8 x 31.4 | mm |
| Active area | 55.01 x 27.49 | mm |
| Dot size | 0.40 x 0.40 | mm |
| Dot pitch | 0.43 x 0.43 | mm |
| Duty | 1/64 | |
| Backlight Type | LED | |
| IC | NT7107,NT7108 | |
| Interface | 6800 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Supply voltage for Logic | VDD-VSS | -0.3 | － | 7.0 | V |
| Driver Supply Voltage | VLCD |
VEE-0.3 |
－ | VDD+0.3 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | VDD-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 7.8 7.6 |
－ 8.0 － |
9.6 8.2 － |
V V V |
| Input High Volt. | VIH | － | 0.7VDD | － | VDD | V |
| Input Low Volt. | VIL | － | 0 | － | 0.8 | V |
| Output High Volt. | VOH | － | 2.4 | － | － | V |
| Output Low Volt. | VOL | － | － | － | 0.4 | V |
| Supply Current | IDD | VDD=5.0V | 3.0 | 4.0 | 5.0 | mA |
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