Model No. WG12864A
►Monochrome Graphic LCD Display 128x64
►Type: Graphic
►Structure: COB
►Size: 2.93"
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►WG12864AB: Negative voltage option for +3.3V
►WG12864A1: double-row interface
►Interface: 6800
►Touch Screen: Option
WINSTAR WG12864A is a 128x64 monochrome graphic LCD display module featuring a COB (Chip on Board) structure. This monochrome graphics module is built with NT7108 or equivalent controller ICs and supports the 6800 8-bit parallel interface. WG12864A supports a 5V power supply. This model also offers an optional touch panel, making it suitable for a variety of industrial and user-interactive applications.
There are two derivative versions of the WG12864A monochrome graphic display: WG12864AB, which supports 3.3V power supply with negative voltage, and WG12864A1, which features a double-row pinout interface. WG12864A and WG12864AB are equipped with single-row 18-pin interfaces. If a dual-row interface is required, please choose WG12864A1.
The WG12864A series offers a variety of LED backlight color options, including RGB full-color backlight. The LCD panel is available in STN Positive, STN Negative, and FSTN types. The module is designed with a practical PCB layout and screw holes, allowing for secure and easy integration into end-product applications.
The operating temperature range is -20°C to +70°C, and the storage temperature range is -30°C to +80°C. All materials used comply with RoHS environmental standards and REACH regulations.
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 93.0 x 70.0 x 13.6(Max) | mm |
| View area | 72.0 x 40.0 | mm |
| Active area | 66.52 x 33.24 | mm |
| Dot size | 0.48 x 0.48 | mm |
| Dot pitch | 0.52 x 0.52 | mm |
| Duty | 1/64 | |
| Backlight Type | LED | |
| IC | NT7107,NT7108 | |
| Interface | 6800 | |
| 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 |
| 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℃ |
－ 8.6 7.6 |
－ 8.9 － |
10.6 9.2 － |
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 | － | 29.2 | － | mA |
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VSS | 0V | Ground |
| 2 | VDD | 5.0V | Supply voltage for logic |
| 3 | Vo | (Variable) | Operating voltage for LCD |
| 4 | D/I | H/L | H: Data , L : Instruction |
| 5 | R/W | H/L | H: Read (MPU←Module) , L: Write (MPU→Module) |
| 6 | E | H | Enable signal |
| 7 | DB0 | H/L | Data bus line |
| 8 | DB1 | H/L | Data bus line |
| 9 | DB2 | H/L | Data bus line |
| 10 | DB3 | H/L | Data bus line |
| 11 | DB4 | H/L | Data bus line |
| 12 | DB5 | H/L | Data bus line |
| 13 | DB6 | H/L | Data bus line |
| 14 | DB7 | H/L | Data bus line |
| 15 | CS1 | H | Select Column 1~ Column 64 |
| 16 | CS2 | H | Select Column 65~ Column 128 |
| 17 | /RES | L | Reset signal |
| 18 | Vout | － | Negative Voltage output |
| 19 | A | － | Power Supply for LED backlight ( + ) |
| 20 | K | － | Power Supply for LED backlight ( - ) |
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