筆者購買了 2.8吋 TFT LCD 液晶屏,LCD 液晶屏是使用ILITEK(奕力)2010年推出的 ILI9341 驅動蕊片,ILITEK(奕力)是主要從事 TFT-LCD 面板驅動及觸控 IC 之研發及銷售的台灣公司,在市場上比較流行 LCD 驅動蕊片有 ILI9320、ILI9325、ILI9340、ILI9341等等。
LCD Driver IC 驅動蕊片 |
Ilitek ILI9341 驅動蕊片 |
Ilitek ILI9341 驅動蕊片的方塊圖(Block Diagram) |
Ilitek ILI9341 驅動蕊片的寫入方式 |
Ilitek ILI9341 驅動蕊片的規格書 |
Ilitek ILI9341 驅動蕊片詳細參數:
Parameter Name
|
Specification
|
Display resolution
|
[240xRGB](H) x 320(V)
|
Output
|
720 source outputs,320 gate outputs,Common electrode output (VCOM)
|
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
|
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
|
Brightness Control
|
Content Adaptive
Brightness Control
|
MTP (3 times)
|
8-bits for ID1, ID2, ID3、7-bits for VCOM
adjustment
|
Power consumption architecture
|
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 voltageVGH - GND = 10.0V ~ 20.0V、VGL - GND = -5.0V ~ -15.0V、VGH - VGL ≦ 32V
VCOM driver output
voltage:VCOMH = 3.0V ~ (AVDD – 0.5)V、VCOML = (VCL+0.5)V ~ 0V、VCOMH - VCOML≦6.0V
|
Operate temperature range
|
-40℃ to 85℃
|
a-Si TFT LCD
storage capacitor
|
Cst on Common structure
only
|
2016年 6月 7日 天氣報告
氣溫:27.2度 @ 21:10
相對濕度:百分之 81%
天氣:多雲
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