高亮液晶屏
TFT触摸屏
HDMI TFT显示器
工业级TFT屏
OLED屏
条型TFT屏
圆形TFT屏
方形TFT屏
全视角TFT屏
电阻触摸TFT屏
电子墨水屏
树莓派触摸屏
OLED模块
3.5 英寸 QVGA 320×240 横向 RGB LCD,带 PCAP 电容式触摸屏 HX8238 54 针
SF-TO350M-8840A-CT 是一款 3.5 英寸 LCD 单元,以薄膜晶体管为有源元件并由像素组成。该型号由一个 3.5 英寸(4:3 宽高比)透射式主 TN-LCD 面板组成。分辨率为 320(RGB)x 240 像素,可显示多达 1670 万种颜色。
SF-TO350M-8840A-CT 配备带 OCA 的 PCAP 触摸屏,采用 G+G 结构。虽然 TFT LCD 模块支持 RGB 接口,但触摸屏在 IIC 接口上运行。
应用:
SF-TO350M-8840A-CT TFT LCD 模块广泛应用于各种领域,包括黑匣子、智能设备、移动 POS 系统、现金阅读器、GPS 手持设备、手持式食品订购机、信号分析仪、台式实验室设备、安全系统、家庭自动化系统、迷你音频播放器、婴儿监视器和其他手持设备。
产品特点:
| Product: | 3.5″ QVGA RGB TFT LCD |
| Resolution: | 320X240 Dots |
| Touch Screen: | With PCAP Touch Screen |
| Cover Lens: | Customizable |
| Viewing Direction: | 6 O’clock |
| Interface: | RGB Interface |
| Outline Dim.: | 76.9×63.9×4.65 mm |
| Pin Number: | 54 Pins |
| Connection: | Plugging |
| Operating Temp.: | -20℃ To +70℃ |
| Surface Luminance: | 3200 Cd/m2 |
| Compliance: | REACH & RoHS Compliant |
3.5 英寸 PCAP TFT 显示屏 320×240 RGB 接口产品图纸


接口引脚定义
| 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 |
最大绝对限度
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | 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 |
背光电光特性
| 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 | – | – | % | If=20mA |
| Backlight Color | White | |||||
可靠性测试
| 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 英寸 PCAP TFT 显示屏 320×240 RGB 接口产品图片



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