Description
Unveiling the Techstar SF-TC397H-8774C-CT: A 4-inch TFT LCD Display, marrying SPI RGB IPS technology with an intuitive Capacitive Touch Screen.
Embark on a visual journey with the SF-TC397H-8774C-CT, boasting a 3.97-inch IPS TFT LCD Display, showcasing a vibrant resolution of 480×800 pixels.
Dive into its distinctive features:
- The SF-TC397H-8774C-CT presents a TFT LCD module, spanning a 3.97-inch diagonal size, and a full-color 480×800 resolution, complemented by a Capacitive Touch Screen (CTP).
- Embracing versatility, this module supports both SPI and RGB 24-bit interfaces. With dimensions measuring 65.4×112.9×4.5 mm and an active area of 51.84×86.40 mm, it stands as a technological marvel.
- Powered by the NT35510 controller, this module operates within a logic supply voltage range of 2.6V to 3.3V, ensuring seamless integration into various systems.
- Thriving in diverse environments, it handles temperatures ranging from -20℃ to +70℃ during operation, with storage capabilities extending from -30℃ to +80℃.
- Positioned as a portrait mode LCD module, the SF-TC397H-8774C-CT dazzles with a luminance of 400 cd/m2. For those seeking portrait mode or luminance adjustments, our technical support is just a message away.
- Tailoring the experience, the SF-TC397H-8774C-CT FPC can be customized, with the option to include or exclude the Capacitive Touch Screen based on individual preferences.
| Product: | 4″inch TFT LCD Display |
| Resolution: | 480×800 |
| Driver IC: | NT35510 |
| Connection: | Plugging |
| Interface: | SPI + RGB 24 Bits |
| Power Supply Voltage For Logic: | 0.3~4.6 |
| Touch Screen: | With Capacitive Touch Screen |
| Viewing Direction: | IPS All Viewing Angles |
| Pin Number: | 51 Pins |
| Surface Luminance: | 400 Cd/m2 (nits) |
| LED Lifetime: | 40,000 Hours |
| Input Voltage: | VDD+0.3 V |
| Operating Temperature: | -20 To 70 °C |
| Storage Temperature: | -30 To 80 °C |
| Backlight Supply Current: | 20 MA |
| Backlight Color: | White |
| Backlight Supply Voltage: | 25.6 V |
| Backlight Power Dissipation: | 512 MW |
| Certificate: | ISO9001:2015 / ISO1400:2015 |
| Compliance: | Rohs & Reach Compliant |
PCAP TFT Display 4 Inch (3.97″) SPI+RGB Interface Product Drawing
Interface Pin Definition
| NO. | PIN NAME | I/O | Description |
| 1 | LEDK | O | LED Cathode |
| 2 | LEDA | O | LED Anode |
| 3 | YU | I | Touch Panel input signal |
| 4 | XL | I | Touch Panel input signal |
| 5 | YD | I | Touch Panel input signal |
| 6 | XR | I | Touch Panel input signal |
| 7 | GND | I | Ground |
| 8 | VCI | I | Power Supply 2.8V Voltage |
| 9 | NC | – | Set Open |
| 10 | IOVCC | I | Power Supply 1.8V Voltage |
| 11 | TE | I | Tearing effect output |
| 12 | SDO | – | SPI Interface Input/output Pin |
| 13 | SDI | I | SPI Interface Input/output Pin |
| 14 | WR/SCL | – | SPI Clock Signal |
| 15 | CSX | I | Input pin for chip selection signal |
| 16 | RESX | I | LCM Reset input signal |
| 17-40 | DB23-DB0 | I/O | Display Data I/O |
| 41 | ENABLE | I | Data enable signal in RGB I/F mode 1. |
| 42 | DOTCLK | I | Clock Signal to Sample each date |
| 43 | HSYNC | I | Horizontal Synchronizing Signal |
| 44 | VSYNC | I | Vertical Synchronizing Signal |
| 45 | LEDPWM | I | This pin is connect to the external LED driver. |
| 46 | LWDON | I | Used for turning On/Off external LED backlight control. |
| 47 | RS | I | Register select signal |
| 48 | RD | I | Read strobe signal input pin |
| 49 | IM0 | I | Select the interface mode |
| 50 | IM1 | I | Select the interface mode |
| 51 | GND | I | Ground |
Maximum Absolute Limit
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | Â Â Â Â Â Â Â Â 0.3~4.6 | 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=2.8V,Ta=25°C)
| Item | Symbol | Min | Type | Max | Unit | Test condition |
| Operating voltage | VDD | 2.6 | 2.8 | 3.3 | V | – |
| Supply current | IDD | – | – | 5 | mA | VDD=2.8V,Ta=25°C |
| Input voltage | VIH | 0.8VDD | – | VDD | V | – |
| VIL | 0 | – | 0.2VDD | V | ||
| Input leakage current | IIL | -1.0 | – | 1.0 | mA | VIN=VDD or VSS |
Backlight Electrical-optical Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Test
Condition |
Note |
| Supply Voltage | Vf | Â | 25.6 | Â | V | If=Â 20 mA | – |
| Supply Current | If | – | 20 | – | mA | – | – |
| Reverse Voltage | Vr | – | – | 5 | V | – | |
| Power dissipation | Pd | – | 512 | – | mW | – | |
| Luminous Intensity for LCM | Â
– |
 | 400 | – | Cd/m2 | If= 20mA | – |
| Uniformity for LCM | – | 80 | – | – | ï¼… | If=Â 20 mA | – |
| Backlight Color | White | ||||||
| Â | |||||||
PCAP TFT Display 4 Inch (3.97″) SPI+RGB Interface Product ImageÂ
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