128x64 Graphics LCD Display
Model No. WG12864M
►Graphic LCD 128x64
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►Negative Voltage Built-in
►Interface: 6800
►Touch Screen: Option
Description
WG12864M is a monochrome 128x64 LCD graphic display module which is having the outline dimension of 95.5x50.2 mm and AA size 66.52x33.24 mm; it is smaller than WG12864K. WG12864M model is built in with NT7107, NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. WG12864M LCD display is 5V power supply and negative voltage built in on module. This WG12864M module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG12864M-TFH-V#N
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VSS | 0V | GND |
| 2 | VDD | 5.0V | Power Supply |
| 3 | VO | (Variable) | Contrast Adjustment |
| 4 | D/I | H/L | Data /Instruction |
| 5 | R/ W | H/L | Data Read/Write |
| 6 | E | H | H→L 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 | Chip Select for IC1 |
| 16 | CS2 | H | Chip Select for IC2 |
| 17 | /RST | L | Reset |
| 18 | Vee | － | Negative Voltage output |
| 19 | A | － | LED+ |
| 20 | K | － | LED- |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 x 64 | － |
| Module dimension | 95.5 x 50.2 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 | |
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℃ |
－ 8.8 8.4 |
－ 9.1 － |
10.6 9.4 － |
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 | － | 2.5 | 7.5 | mA |
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