128x64 STN Graphic LCM | BG12864J
Model : BG12864J
- COB with metal frame
- Built-in controller SBN0064G/6400G
- +5V single power supply,with built-in negative voltage
- 1/64 duty cycle
- LED edge B/L
- LED B/L pins: 23/24 or 1/2
- Option:Temperature compensation circuit
- Option:External negative voltage
- DIP module
數量
Description
BG12864J 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 SBN0064G/6400G or equivalent. BG12864J also provides the option for temperature compensation circuit & external negative voltage
Module dimension of BG12864J is (75x45.8) mm and viewing area is (61x38) mm.
It supports 5V power supply , with built-in negative voltage.
It has a built-in controller SBN0064G/6400G or equivalent. BG12864J also provides the option for temperature compensation circuit & external negative voltage
Module dimension of BG12864J is (75x45.8) mm and viewing area is (61x38) mm.
It supports 5V power supply , with built-in negative voltage.
Specification
Features
| Item | Dimension | Unit |
|---|---|---|
| Module dimension | 75.0 x 45.8 | mm |
| Active Area | 61.0 x 38.0 | mm |
| Dot size | 0.42 x 0.50 | mm |
| Dot Pitch | 0.44 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 | 10.0 | V |
Interface
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vss | Power supply (GND) |
| 2 | Vdd | Power supply |
| 3 | Vo | Operating voltage for LCD |
| 4 | /RST | Reset signal |
| 5 | D/I | Data/instruction |
| 6 | R/W | Data read/write |
| 7 | E1 | Enable signal for IC2 (segment 1~64) |
| 8 | E2 | Enable signal for IC2 (segment 65~128) |
| 9 | CS1L | Chip select for IC2 (segment 1~64) |
| 10 | CS1H | |
| 11 | CS2L | Chip select for IC3 (segment 65~128) |
| 12 | CS2H | |
| 13 | VEE | Negative voltage output |
| 14 | NC | No connection |
| 15~22 | DB0~7 | Data bus |
| 23 | A | Power supply for B/L ( + ) |
| 24 | K | Power supply for B/L (GND) |