128x64 Graphic Module
Model No. WG12864K
►Graphic LCD 128x64
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►Interface: 6800
►Touch Screen: Option
Description
WG12864K is a monochrome 128x64 LCD graphic display module which is having the outline dimension of 113x53 mm and AA size 66.52x33.24 mm. WG12864K model is built in with NT7107, NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. The WG12864I LCD display is 5V power supply; it's also negative voltage built in on module. This 128 x 64 LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source of: WG12864K-YYH-V#N
SPECIFICATIONS
Interface Pin Function
| 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 ( - ) |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 113.0 x 53.0 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 | 68 series | |
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-VO | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 8.5 7.5 |
－ 8.75 － |
10.8 9.0 － |
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 | － | 8.28 | － | mA |
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