LCD Description
This Bar LCD Display is a premium 1.9 inch vertical strip screen featuring a sharp 170×320 resolution. Engineered with the high-performance ST7789V driver IC, this narrow bar-type display delivers exceptional color accuracy and an all-direction full viewing angle thanks to advanced IPS technology.
With its ultra-compact outline dimensions of 25.80(H) * 49.72(V) * 1.97(D) mm and an efficient 4-wire SPI interface, this display module minimizes space requirements while ensuring high-speed data transmission. Boasting a backlight brightness of 300 cd/m², it offers clear and vibrant visuals, making it the perfect display solution for smart wearables, handheld devices, medical equipment, and industrial instruments.
| Item | Contents | Unit |
| Size | 1.9 | inch |
| LCM Dimension | 25.80（H）* 49.72（V） * 1.97(D) | mm |
| LCD Active Area | 22.695(H)* 42.72(V) | mm |
| Number OfDots | 170 * RGB * 320 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | ALL O’clock | |
| Driver IC | ST7789V | |
| Interface Type | SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight | 320 | cd/m² |
| Touchscreen | TBD |
Drawing
4 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. |
