128x64 Graphic STN LCD LCM | BG12864E
Model : BG12864E
- COB with metal frame
- Built-in controller NT7107/NT7108 or equivalent
- +5V single power supply, with built-in negative voltage
- 1/64 duty cycle
- LED B/L pins:19/20,or A/K or 1/2
- Option: LED edge B/L
- Option: +3V single power supply
- Option: External negative voltage
數量
Description
BG12864E is a monochrome 128x64 graphic LCD display module made using Chip on Board (COB) method and comes with metal frame.
It has a built-in controller NT7107/NT7108 or equivalent.
Module dimension of BG12864E is (75x52.7) mm and viewing area is (60x32.6) mm.
It supports 5V power supply and provides option of 3V power supply as well.
It has a built-in controller NT7107/NT7108 or equivalent.
Module dimension of BG12864E is (75x52.7) mm and viewing area is (60x32.6) mm.
It supports 5V power supply and provides option of 3V power supply as well.
Specification
Features
| Item | Dimension | Unit |
|---|---|---|
| Module dimension | 75.0 x 52.7 | mm |
| Active Area | 60.0 x 32.6 | mm |
| Dot size | 0.39 x 0.39 | mm |
| Dot Pitch | 0.43 x 0.43 | mm |
Electrical Characteristics (Ta=25±2°C)
| Item | Symbol | Condition | Typical Value | Unit |
|---|---|---|---|---|
| Input Voltage | Vdd | Vdd = +5V | 5.0 | V |
| Supply Current | Idd | Vdd = +5V | 5 | mA |
| LCD Driving Voltage | Vdd-Vo | 25°C | 8.5 | V |
| LED Forward Voltage (yellow-green) | Vf | 25°C | 4.2 | V |
| LED Forward Current | If | 25°C | 180 | mA |
Interface
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vdd | Power supply (+5V) |
| 2 | GND | Power supply (GND) |
| 3 | Vo | Contrast adjustment |
| 4~11 | DB0~7 | Data bus line |
| 12 | /CS1 | Chip select for IC1 |
| 13 | /CS2 | Chip select for IC2 |
| 14 | /RST | Reset signal |
| 15 | R/W | Data read/write |
| 16 | D/I | Data / instruction |
| 17 | E | Enable signal |
| 18 | Vee | Negative voltage output |
| 19 | A | Power supply for B/L (+) |
| 20 | K | Power supply for B/L (GND) |