128x64 Dots STN LCD Module | BG12864C1
Model : BG12864C1
- COB with metal frame
- Built-in controller NT7107/NT7108 or equivalent
- +5V single power supply, with built-in negative voltage
- 1/64 duty cycle
- Option: LED array B/L
- Option: External negative voltage
數量
Description
BG12864C1 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 BG12864C1 is (78x70) mm and viewing area is (62x40) 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 BG12864C1 is (78x70) mm and viewing area is (62x40) mm.
It supports 5V power supply and provides option of 3V power supply as well.
Specification
Features
| Item | Dimension | Unit |
|---|---|---|
| Module dimension | 78.0 x 70.0 | mm |
| Active Area | 62.0 x 40.0 | mm |
| Dot size | 0.40 x 0.56 | mm |
| Dot Pitch | 0.44 x 0.60 | 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 | 9.0 | V |
| LED Forward Voltage (Yellow-Green) | Vf | 25°C | 4.1 | V |
| LED Forward Current | If | 25°C | 160 | mA |
Interface
Chip select for IC1
| Pin | Symbol | Function |
|---|---|---|
| 1 | /CS1 | Chip select for IC1 |
| 2 | /CS2 | Chip select for IC2 |
| 3 | Vss | GND |
| 4 | Vdd | Power supply (+5V) |
| 5 | Vo | Contrast adjustment |
| 6 | D/I | Data/instruction |
| 7 | R/W | Data read/write |
| 8 | E | H --> L Enable signal |
| 9~16 | DB0~7 | Data bus line |
| 17 | /RST | Reset signal |
| 18 | Vee | Negative voltage output |
| 19 | A | Power supply for B/L (+) |
| 20 | K | Power supply for B/L (GND) |