Description
High-Resolution Circular Display: 1.22″ IPS Round TFT
Description: This 1.22-inch circular TFT LCD display module from SHENZHEN TECHSTAR ELECTRONICS INCORPORATED CO., LTD (Model No. SF-TC122B-8807A1-N) delivers sharp 240×204 resolution with wide IPS viewing angles. It features a SPI interface for seamless integration into your projects.
Key Specifications:
- LCD Size: 1.22” inch TFT
- Resolution: 240×204
- Viewing Angle: All
- Outline Dimension: 33.66×33.02×1.5 mm
- LCD Driver IC: ST7789V
- LCD Interface Type: SPI
- Temperature: Top -20°C to +70°C; Tst -30°C to +80°C
- Touch Panel: Without Touch Screen(Customizable)
Benefits:
- Superb Visuals: Experience crisp image quality and consistent color from any angle.
- Responsive Touch: The integrated capacitive touch panel provides intuitive interaction.
- Compact Design: The circular form factor is perfect for space-conscious applications.
- Wide Compatibility: Ideal for various devices thanks to its MIPI interface.
Product Features:
| Product: | 1.22″inch TFT LCD Screen |
|---|---|
| Touch Screen: | Without Touch Screen |
| Resolution: | 240×204 |
| Viewing Direction: | IPS Full Viewing Angle (80/80/80/80) |
| Driver IC: | ST7789V |
| Pin Number: | 14 Pins |
| Connection: | FPC Connector Type |
| Surface Luminance: | 200 Cd/m2 (nits) |
| Interface: | SPI |
| LED Lifetime: | 40,000 Hours |
1.22 inch Round Circular TFT LCD Display 240×204 Dots IPS Product Drawing
Interface Pin Definition
| NO. | PIN NAME | I/O | Description |
| 1 | LEDK2 | O | LED Cathode |
| 2 | LEDK1 | O | LED Cathode |
| 3 | LEDA | O | LED Anode |
| 4 | GND | I | Ground |
| 5 | FMARK | I | Tearing effect output pin to synchronies MCU to frame writing, activated by S/W command. |
| 6 | SDI | I | Display Data input signal |
| 7 | SCLK | I | In Serial Interface, this is used as SCL. |
| 8 | RS | I | Register select signal |
| 9 | CS | I | Input pin for chip selection signal |
| 10 | RESET | I | LCM Reset input signal |
| 11 | IOVCC | I | Power Supply 2.8V/1.8V Voltage |
| 12 | VCC | I | Power Supply 2.8V Voltage |
| 13 | GND | I | Ground |
| 14 | GND | I | Ground |
Maximum Absolute Limit
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | 3.0-3.6 | V |
| Input voltage | Vin | VDD+0.3 | V |
| Operating temperature | Topr | -20 to 70 | °C |
| Storage temperature | Tstg | -30 to 80 | °C |
DC Characteristics (VDD=3.3V,Ta=25°C)
| Item | Symbol | Min | Type | Max | Unit | Test condition |
| Operating voltage | VDD | 3.0 | 3.3 | 3.6 | V | – |
| Supply current | IDD | – | TBD | – | mA | VDD=3.3V,Ta=25°C |
| Input voltage | VIH | 0.7VDD | – | VDD | V | – |
| VIL | 0 | – | 0.3VDD | V | ||
| Input leakage current | IIL | – | TBD | – | mA | VIN=VDD or VSS |
Backlight Electrical-optical Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Test
Condition |
Note |
| Supply Voltage | Vf | – | 3.2 | V | If=40mA | – | |
| Supply Current | If | – | 40 | – | mA | – | – |
| Reverse Voltage | Vr | – | – | 5 | V | – | |
| Power dissipation | Pd | – | 128 | – | mW | – | |
| Luminous Intensity for LCM |
– |
– | 200 | – | Cd/m2 | If=40mA | – |
| Uniformity for LCM | – | 75 | 80 | – | ％ | If=40mA | – |
| Backlight Color | White | ||||||
1.22 inch Round Circular TFT LCD Display 240×204 Dots IPS Product Image
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