LCD Description
This 1.22-inch TFT LCD display is a high-performance imaging solution designed for wearable technology and compact handheld devices. With a balanced 240×240 pixel resolution, it provides crisp, detailed visuals in an incredibly small footprint, perfect for applications where every millimeter of space counts.
Driven by the industry-standard ST7789 IC, this module supports a versatile MCU interface (and is compatible with SPI configurations), offering high-speed data refresh rates with optimized power consumption. The ultra-slim 1.3mm profile allows for seamless integration into modern, low-profile product housings.
| Item | Contents | Unit |
| Size | 1.22 | inch |
| LCM Dimension | 25.76（W）* 28.16（H） * 1.3+-0.1(T) | mm |
| LCD Active Area | 21.96* 21.96 | mm |
| Number Of Dots | 240 * RGB * 240 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | ALL | |
| Driver IC | ST7789 | |
| Interface Type | SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ |
Drawing
SPI Interface
| NO. | Symbol | Description |
| 1 | RESET | -This signal will reset the device and it must be applied to properly initialize。The chip Signal is active low. |
| 2 | CS | Chip selection pin; Low enable, high disable. |
| 3 | RS | -Write enable in MCU parallel interface.-Display data/command selection pin in 4-lineserial interface. |
| 4 | SCL | Display data/command selection pin in parallel interface. This pin is used to Be serial interface clock. |
| 5 | SDA | SPI interface input/output pin. -The data is latched on the rising edge of the SCL signal. |
| 6 | TE | Frame mark. |
| 7 | VCC | Power Supply for Analog, Digital System and Booster Circuit 3.3V. |
| 8 | LEDK | LED Cathode. |
| 9 | LEDA | LED Anode. |
| 10 | GND | Power Ground. |
