ILI9341 TFT 显示屏

1 Overviw

• Display resolution: [240xRGB](H) x 320(V)
• Output:
  • 720 source outputs
  • 320 gate outputs
  • Common electrode output (VCOM)

• a-TFT LCD driver with on-chip full display RAM: 172,800 bytes

• System Interface
  • 8-bits, 9-bits, 16-bits, 18-bits interface with 8080-Ⅰ/8080- Ⅱ series MCU
  • 6-bits, 16-bits, 18-bits RGB interface with graphic controller
  • 3-line / 4-line serial interface

• Display mode:
  • Full color mode (Idle mode OFF): 262K-color (selectable color depth mode by software)
  • Reduce color mode (Idle mode ON): 8-color

• Power saving mode:
  • Sleep mode
  • Deep standby mode

• On chip functions:
  • VCOM generator and adjustment
  • Timing generator
  • Oscillator
  • DC/DC converter
  • Line/frame inversion
  • 1 preset Gamma curve with separate RGB Gamma correction

• Content Adaptive Brightness Control
• MTP (3 times):
  • 8-bits for ID1, ID2, ID3
  • 7-bits for VCOM adjustment

• Low -power consumption architecture
  • Low operating power supplies:
  • VDDI = 1.65V ~ 3.3V (logic)
  • VCI = 2.5V ~ 3.3V (analog)

• LCD Voltage drive:
  • Source/VCOM power supply voltage
    • AVDD - GND = 4.5V ~ 5.5V
    • VCL - GND = -2.0V ~ -3.0V
  • Gate driver output voltage
    • VGH - GND = 10.0V ~ 20.0V
    • VGL - GND = -5.0V ~ -15.0V
    • VGH - VGL 3 ≦ 2V
  • VCOM driver output voltage
    • VCOMH = 3.0V ~ (AVDD – 0.5)V
    • VCOML = (VCL+0.5)V ~ 0V
    • VCOMH - VCOML ≦ 6.0V

2 Block Diagram

3 屏概况

2.8 寸 TFT 彩屏， 分辨率 240x320，3 线串口 / 4 线串口 / 8 位并口 /16 位并口兼容。

• 驱动 IC：ILI9341
• PIN 脚：40PIN
• PIN 脚间距：0.5MM
• 带触摸

4 背光

5 40 Pin 引脚

6 Reference

• ILI9341 Datasheet