Micro TFT Display, 1.77 inch LCD Display Module
Model No. WF18GTLAADNN0
►1.77 inch
►128x160 TFT LCD
►View Direction: 6H
►Interface: SPI
►IC：ST7735S
►Control-Board : No
►Brightness(cd/m²): 500
►Frame Through Hole: No
►Touch Screen : Without touch screen
Description
WF18GTLAADNN0 is a 1.77-inch TFT display module with a resolution of 128x160 pixels. This micro LCD module is built in with ST7735S IC, supporting serial 3-line/4-line SPI interfaces. It has the module dimension of 34.0 x 45.83 mm and the active area of 28.03 x 35.04 mm. The supply voltage of the display ranges from 2.5V to 3.7V, and the typical value is 2.75V.
WF18GTLAADNN0 is a portrait mode micro TFT display. Users can change it from portrait mode to landscape mode through software settings. The contrast ratio of the module is 500:1 (typical value), and its brightness is 500 nits (typical value). The operating temperatures are from -20℃ to +70℃, and the storage temperatures range from -30℃ to +80℃.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin | Symbol | I/O | Function |
|---|---|---|---|
| 1 | LED+ | P | Back light anode |
| 2 | LED- | P | Back light cathode |
| 3 | SPI4W (VCC=4 WIRE) |
I | - SPI4W='0', 3-line SPI Enable. - SPI4W='1', 4-line SPI Enable. -If Not Used, Please fix this Pin at DGND Level. |
| 4 | VCC | P | Power Supply. |
| 5 | GND | P | Ground |
| 6 | CS | I | Chip enable (CSX) |
| 7 | RST | I | Reset signal (RESX) |
| 8 | SDA | I/O | Serial input/output signal in serial interface mode. |
| 9 | SCL | I | In Serial Interface, this is used as SCL. |
| 10 | D/C | I | Data/ command selection. (D/CX) |
General Specifications
| Item | Dimension | Unit |
|---|---|---|
| Size | 1.77 | inch |
| Dot Matrix | 128 × RGB × 160(TFT) | dots |
| Module dimension | 34.0(W) × 45.83(H) × 2.65(D) | mm |
| Active area | 28.03 × 35.04 | mm |
| Dot pitch | 0.073 × 0.219 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| View Direction | 6 o'clock | |
| Gray Scale Inversion Direction | 12 o'clock | |
| Aspect Ratio | Portrait | |
| IC | ST7735S or Equivalent | |
| Interface | SPI | |
| Backlight Type | LED, Normally White | |
| Touch Panel | Without Touch Panel | |
| Surface | Anti-Glare | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Analog | VCI | － | 2.5 | 2.75 | 3.7 | V |
| Supply LCM current | ICI(mA) | － | － | 0.9 | 2 | mA |
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