128x64 Graphic STN LCD Modules | UG12864A
Model : UG12864A
- 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: Temperature compensation circuit
- LED B/L pins:19/20,or A/K or 1/2
- Option: LED array / edge B/L
- Option: +3V single power supply
- Option: External negative voltage
數量
Description
UG12864A 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. UG12864A also provides the option for temperature compensation circuit.
Module dimension of UG12864A is (93x70) mm and viewing area is (72x40) 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. UG12864A also provides the option for temperature compensation circuit.
Module dimension of UG12864A is (93x70) mm and viewing area is (72x40) mm.
It supports 5V power supply and provides option of 3V power supply as well.
Specification
Features
| Item | Dimension | Unit |
|---|---|---|
| Module dimension | 93.0 x 70.0 | mm |
| Active Area | 72.0 x 40.0 | mm |
| Dot size | 0.48 x 0.48 | mm |
| Dot Pitch | 0.52 x 0.52 | 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 | 5.0 | mA |
| LCD Driving Voltage | Vdd-Vo | 25°C | 8.6 | V |
| LED Forward Voltage (Yellow-Green) | Vf | 25°C | 4.1 | V |
| LED Forward Current | If | 25°C | 330 | mA |
Interface
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vss | GND |
| 2 | Vdd | Power supply (+5V) |
| 3 | Vo | Contrast adjustment |
| 4 | D/I | Data/instruction |
| 5 | R/W | Data read/write |
| 6 | E | H─>L Enable signal |
| 7~14 | DB0~7 | Data bus line |
| 15 | CS1 | Chip select for IC1 |
| 16 | CS2 | Chip select for IC2 |
| 17 | /RST | Reset |
| 18 | Vee | Positive voltage output |
| 19 | A | Power supply for B/L (+) |
| 20 | K | Power supply for B/L (GND) |