128x64 Dot Matrix Graphic LCD Display
Model No. WG12864C
►LCD Graphic Display 128x64, LCD Display 128x64
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►Interface: 6800
►Touch Screen: Option
Description
WG12864C is a mono LCD graphic display 128x64 dot matrix module, diagonal size 2.7 inch. WG12864C model is built in with NT7107, NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. The WG12864C LCD display is 5V power supply; it’s also negative voltage 3.3V power supply optional. This graphic display 128x64 module is available for without backlight or with LED backlight options. WG12864C is available in various LED colors including yellow/green, blue, white, red, and RGB, etc. This model graphic LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG12864C-TFH-V#N
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | /CS1 | L | Select Segment 1 ~ Segment 64 |
| 2 | /CS2 | L | Select Segment 65 ~ Segment128 |
| 3 | Vss | 0V | Ground |
| 4 | VDD | 5.0V | Supply voltage for logic |
| 5 | VO | (Variable) | Operating voltage for LCD |
| 6 | D/I | H/L | H: Data , L: Instruction |
| 7 | R/W | H/L | H: Read(MPU←Module) , L :Write(MPU→Module) |
| 8 | E | H | Enable signal |
| 9 | DB0 | H/L | Data bus line |
| 10 | DB1 | H/L | Data bus line |
| 11 | DB2 | H/L | Data bus line |
| 12 | DB3 | H/L | Data bus line |
| 13 | DB4 | H/L | Data bus line |
| 14 | DB5 | H/L | Data bus line |
| 15 | DB6 | H/L | Data bus line |
| 16 | DB7 | H/L | Data bus line |
| 17 | RST | L | Reset the LCM |
| 18 | VEE | — | Negative Voltage Output |
| 19 | A | — | Power supply for B/L (+) |
| 20 | K | — | Power supply for B/L (-) |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 78.0 x 70.0 x 14.3(Max) | mm |
| View area | 62.0 x 44.0 | mm |
| Active area | 56.28 x 38.36 | mm |
| Dot size | 0.40 x 0.56 | mm |
| Dot pitch | 0.44 x 0.60 | 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℃ |
－ 8.2 8.2 |
－ 8.5 － |
9.6 8.8 － |
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 | 2.0 | 4.0 | 8.0 | mA |
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