144x32 Multi-Language Graphic LCD | BG14432A
Model No. BG14432A
- COB with metal frame
- Built-in controller ST7920
(128x64 dots matrix mode or 16x16 dots Big5/GB Chinese mode, or 8x16 dots ASCII mode) - +5V single power supply
- 1/32 duty cycle
- Option: +3V single power supply
- Option: LED array / edge B/L
數量
Description
BG14432A is a monochrome 144x32 graphic LCD display module made using Chip on Board (COB) method and comes with metal frame.
It has a built-in controller ST7920.
Module dimension of BG14432A is (84x44) mm and viewing area is (66.0x16.0) mm.
It supports 5V single power supply and provides option of 3.3V power supply as well.
It has a built-in controller ST7920.
Module dimension of BG14432A is (84x44) mm and viewing area is (66.0x16.0) mm.
It supports 5V single power supply and provides option of 3.3V power supply as well.
Specification
Features
機構規格
電氣特性
| Item | Standard Value | Unit |
|---|---|---|
| Module Dimension | 84.0 x 44.0 | mm |
| View Area | 66.0 x 16.0 | mm |
| Dot Size | 0.37 x 0.37 | mm |
| Dot Pitch | 0.42 x 0.42 | mm |
電氣特性
| Item | Symbol | Condition | Typical Value | Unit |
|---|---|---|---|---|
| Input Voltage | Vdd | 5.0 | V | |
| Supply Current | Idd | Vdd = +5V | 5 | mA |
| LCD Driving Voltage | Vdd-Vss | 25±2°C | 5.0 | V |
| LED Forward Voltage | VF | 25±2°C | 3.3 | V |
| LED Forward Current | IF | 25±2°C | 30 | mA |
Interface
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vss | GND |
| 2 | Vdd | +5V (+3.3V option) |
| 3 | Vo | Contrast adjustment |
| 4 | RS | Register selection signal |
| 5 | R/W | H─>L read/write signal |
| 6 | E | H -> L Enable signal |
| 7~14 | DB0~7 | Data bus line |
| 15 | A | Power supply for B/L (+) |
| 16 | K | Power supply for B/L (GND) |