Graphic LCD Display 240x128
Model No. WG240128A
►Graphic LCD 240x128
►IC: RA6963
►1/128 duty cycle
►Built-in negative voltage option
►24 pins optional
►Interface: 8080
►Touch Screen: Option
Description
WG240128A is a graphic LCD 240x128 module which is having the module dimension 170x103.5 mm and AA size of 119x63.97 mm, diagonal size 5.4 inch. This LCD display 240x128 modules is built in with RA6963 controller and negative voltage output built in on module. It supports 8080 8-bit parallel interface and 5V power supply and 3.3V optional. Also, there is touch panel optioanl for WG240128A. Please note the standard WG240128A is 20 pins on board, there is 24-pins option for this type. The graphic LCD is suitable in many applications; they can be used in white goods, POS system, home applications, industrial instrument, automation, audio display systems, and medical devices.
DRAWING
Data source ref:WG240128A-TFH-VZ#
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | FGND | － | Frame ground ( Connected to bezel ) |
| 2 | Vss | － | GND |
| 3 | Vdd | － | Power supply |
| 4 | Vo | － | Power supply for LCD driver |
| 5 | WR | L | Data write. Write data into RA6963when WR = L |
| 6 | RD | L | Data read. Read data from RA6963when RD = L |
| 7 | CE | L | L : Chip enable |
| 8 | C/D | H / L | WR=L , C/D=H : Command Write C/D=L: Data write RD=L , C/D=H : Status Read C/D=L: Data read |
| 9 | Vee | － | Negative Voltage Output |
| 10 | RESET | H / L | H : Normal ; L : Initialize RA6963 |
| 11 | DB0 | H / L | Data bus line |
| 12 | DB1 | H / L | Data bus line |
| 13 | DB2 | H / L | Data bus line |
| 14 | DB3 | H / L | Data bus line |
| 15 | DB4 | H / L | Data bus line |
| 16 | DB5 | H / L | Data bus line |
| 17 | DB6 | H / L | Data bus line |
| 18 | DB7 | H / L | Data bus line |
| 19 | FS | MD2 | Pins for selection of font; H : 6 * 8 , L : 8 * 8 |
| 20 | RV | H / L | H: Reverse L: Normal |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 240 x 128 | － |
| Module dimension | 170.0 x 93.4 x 12.4(Max) | mm |
| View area | 128.0 x 74.0 | mm |
| Active area | 119.97 x 63.97 | mm |
| Dot size | 0.47 x 0.47 | mm |
| Dot pitch | 0.50 x 0.50 | mm |
| Duty | 1/128 | |
| Backlight Type | LED | |
| IC | RA6963 | |
| Interface | 8080 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input Voltage | VIN | -0.3 | － | VDD+0.3 | V |
| Supply Voltage For Logic | VDD-VSS | -0.3 | － | +7.0 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | VDD-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 17.5 16.3 |
－ 18.0 － |
20.1 18.5 － |
V V V |
| Input High Volt. | VIH | － | 0.8VDD | － | VDD | V |
| Input Low Volt. | VIL | － | 0 | － | 0.15VDD | V |
| Output High Volt. | VOH | － | VDD-0.3 | － | VDD | V |
| Output Low Volt. | VOL | － | 0 | － | 0.3 | V |
| Supply Current | IDD | － | 15 | 30 | 60 | mA |
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