Description
3.5″ TFT LCD Touch Screen Display RGB 320×240 Landscape 54 Pin With Capacitive Touch Screen
Product Quick Insights:
- Model No. SF-TO350M-8840A-CT
- 3.5 inch TFT LCD Screen Display, Display 3.5″ with PCAP
- Resolution: 320 x 240 dots
- View Direction: 6H
- Driver IC：HX8238
- Interface: RGB
- Brightness(cd/m²): 320
- Touch Screen: With Capacitive Touchscreen
Description：
The SHENZHEN TECHSTAR ELECTRONICS INCORPORATED CO., LTD SF-TO350M-8840A-CT presents a 3.5-inch LCD Cell featuring thin film transistors as active elements, housing pixels for vibrant display. With its 3.5 (4:3) inches transmissive type main TN-LCD panel, this model boasts a resolution of 320(RGB) x 240 pixels, capable of rendering up to 16.7M colors.
Equipped with a PCAP touch screen, the SF-TO350M-8840A-CT comes with OCA attached, featuring a G+G structure. While supporting an RGB interface, the touch screen operates on an IIC interface.
The SF-TO350M-8840A-CT TFT LCD module finds versatile applications across various industries including black box technology, smart devices, mobile POS systems, cash readers, GPS handheld devices, handheld food ordering machines, signal analyzers, bench-top laboratory equipment, security systems, home automation devices, mini audio players, baby monitors, and other handheld devices.
Product Features:
| Product: | LCD Touch Screen 3.5″ |
| Resolution: | 320X240 Dots |
| Cover Lens: | Customizable |
| Interface: | RGB Interface |
| Pin Number: | 54 Pins |
| Touch Screen: | With PCAP Touch Screen |
| Surface Luminance: | 200 Cd/m2 (can Be Customized ) |
| Viewing Direction: | 6 O’clock |
| Outline Dim.: | 76.9×63.9×4.65 Mm |
| Backlight Supply Current: | 20 MA |
| Backlight Supply Voltage: | 19.2 V |
| Connection: | Plugging |
| Input Voltage: | VDD+0.3 V |
| Power Supply Voltage For Logic: | 1.6~3.3 V |
| Operating Temperature: | -20 To 70 °C |
| Storage Temperature: | -30 To 80 °C |
| Certificate: | ISO9001:2015 / ISO1400:2015 |
| Compliance: | REACH & RoHS Compliant |
3.5 Inch Capacitive Touchscreen TFT LCD Display RGB 320×240 Dots Drawing
Interface Pin Definition
| NO. | PIN NAME | I/O | Description |
| 1 | LED-K1 | I | LED Cathode |
| 2 | LED-K2 | I | LED Cathode Connect to LED-K1 |
| 3 | LED-A1 | I | LED Anode |
| 4 | LED-A2 | I | LED Anode  Connect to LED-A1 |
| 5-7 | NC | – | No Connection |
| 8 | /RESET | I | Reset Pin |
| 9 | CS | I | Input pin for chip selection signal |
| 10 | SCL | I | SPI Clock Signal |
| 11 | SDI | I | SPI Interface Input Pin |
| 12 | B0 | I | BLUE Data Signal(LSB) |
| 13-19 | B1-7 | I | BLUE Data Signal |
| 20 | G0 | I | GREEN Data Signal(LSB) |
| 21-27 | G1-7 | I | GREEN Data Signal |
| 28 | R0 | I | RED Data Signal (LSB) |
| 29-35 | R1-7 | I | RED Data Signal |
| 36 | HSYNC | I | Horizontal Synchronizing Signal |
| 37 | VSYNC | I | Vertical Synchronizing Signal |
| 38 | DOTCLK | I | Clock Signal to Sample each date |
| 39-40 | NC | – | No Connection |
| 41 | VDD | I | +2.8V Power Source |
| 42 | VDDIO | I | 1.8V~2.8V Power Source |
| 43 | YU | I | Touch Panel Pin |
| 44 | XL | I | |
| 45 | YD | I | |
| 46 | XR | I | |
| 47-51 | NC | – | Not Connection |
| 52 | ENABLE | I | Input Data enable control |
| 53-54 | GND | I | Power Ground |
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Maximum Absolute Limit
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | Â 1.6~3.3 | V |
| Input voltage | Vin | VDD+0.3 | V |
| Operating temperature | Topr | -20 to 70 | °C |
| Storage temperature | Tstg | -30 to 80 | °C |
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Backlight Electrical-optical Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Condition |
| Supply Voltage | Vf | 17.5 | 19.2 | 20.5 | V | If=20mA |
| Supply Current | If | – | 20 | – | mA | – |
| Reverse Voltage | Vr | – | – | 5 | V | – |
| Power dissipation | Pd | – | 288 | – | mW | – |
| Luminous Intensity | 260 | 320 | 350 | Cd/m2 | If=20mA | |
| Uniformity for LCM | – | 80 | – | – | ï¼… | If=20mA |
| Backlight Color | White | |||||
| Â | ||||||
Reliability Test
| Item | Condition | Time (hrs) | Assessment |
| High temp. Storage | 80°C | 120 |
No abnormalities in functions and appearance |
| High temp. Operating | 70°C | 120 | |
| Low temp. Storage | -30°C | 120 | |
| Low temp. Operating | -20°C | 120 | |
| Humidity | 60°C/ 90%RH | 120 | |
| Thermal Shock Temp. Cycle | -20°C ¬ 25°C ®70°C
(0.5 hour ¬ 5 min ® 0.5 hour) |
10cycles | |
3.5 Inch Capacitive Touchscreen TFT LCD Display RGB 320×240 Dots Product Image
 
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