LCD Description
Technical Deep Dive: IPS Technology & ST7789 Controller
The Square IPS LCD Screen 1.69 inch stands out because of its superior color reproduction and wide viewing angles. By utilizing the advanced ST7789 driver IC, this module ensures stable performance and high-speed data refresh rates. The integration of a 4-line SPI interface makes it compatible with various platforms, adhering to standard Serial Peripheral Interface (SPI) protocols for low-pin-count communication.
As a professional manufacturer, we focus on providing durable and high-brightness solutions. If you are looking for different shapes, you can also explore our Round LCD Display or browse our full collection of Square LCD modules to find the perfect fit for your next IoT or smartwatch project.
| Item | Contents | Unit |
| Size | 1.69 | inch |
| Viewing Direction | ALL | O’Clock |
| Outline Dimensions (WxHxT) | 30.07(W)x37.43(H)x1.56(T) | mm |
| Viewing area | 28.63 x35.64 | mm |
| Active area | 27.97(W)x 32.63(H) | mm |
| Number of Dots | 240RGBx280 Dots | — |
| Controller / Driver | ST7789 | |
| Interface Type | SPI | — |
| Backlight Type | 4 LED | — |
Drawing
SPI Interface
| Pin No. | Symbol | Description |
| 1 | VCC | Power supply for interface logic circuits(2.8V-3.2V)/ |
| 2 | LEDA | Back-light Anode |
| 3 | LEDK | Back-light Cathode |
| 4 | IOVCC | Power supply for interface logic circuits(1.8V-2.8V) |
| 5 | RESTE | Reset input pin |
| 6 | SDA | serial signal int/out pin. |
| 7 | SCK | serial clock signal input pin. |
| 8 | CS | Chip select input pin |
| 9 | D/C | Register select signal pin. L: Command H: Data |
| 10 | GND | Power Ground |
