2.8 inch 480x480 Round TFT LCD Display Module Description
General Information Items | Specification | Unit |
Main Panel | ||
Display area(AA) | 70.128(H) *70.128(V) (2.8inch ) | mm |
Driver element | a-Si TFT active matrix | - |
Display colors | 16.7M | colors |
Number of pixels | 480(RGB) *480 | dots |
Pixel arrangement | RGB vertical stripe | - |
Pixel pitch | 0.180(H) *0.180(V) | mm |
Viewing angle | ALL | o'clock |
Drive IC | ST7701S | - |
Color Pixel Arrangement | RGB vertical stripe | |
Display mode | Transmissive/ Normally Black | - |
Operating temperature | -20~+70 | ℃ |
Storage temperature | -30~+80 | ℃ |
Mechanical Information
Item | Min. | Typ. | Max. | Unit | Note | |
Module size | Horizontal(H) | - | 86.7 | - | mm | -0.1 |
Vertical(V) | - | 86.7 | - | mm | -0.1 | |
Depth(D) | - | 4.19 | - | mm | ±0.3 | |
Weight | - | TBD | - | g | - |
2.8 inch 480x480 Round TFT LCD Display Module Drawing
PIN Description
Pin NO. | Symbol | Level | Function |
1 | LEDA | H | Backlight+ |
2 | LEDK1 | L | Backlight- |
3 | LEDK2 | L | Backlight- |
4 | LEDK3 | L | Backlight- |
5 | LEDK4 | L | Backlight- |
6 | VDD 2.8V | H | Power supply(2.5-3.3V) |
7 | IOVCC1.8V | H | Power supply(1.65-3.3V) |
8 | LCM RST | H/L | LCM Hardware reset pin |
9 | TE | H/L | Tearing effect output |
10 | PWM | H/L | Backlight on/off control pin. |
11 | GND | L | Ground |
12 | D0P | H/L | HSSI_D0+ are differential data signal line. |
13 | D0N | H/L | HSSI_D0- are differential data signal line. |
14 | GND | L | Ground |
15 | D1P | H/L | HSSI_D1+ are differential data signal line. |
16 | D1N | H/L | HSSI_D1- are differential data signal line. |
17 | GND | L | Ground |
18 | CP | H/L | HSSI_CLK+ are differential data signal line. |
19 | CN | H/L | HSSI_CLK- are differential data signal line. |
20 | GND | L | Ground |
21 | NC | NC | |
22 | GND | L | Ground |
23 | NC | NC | |
24 | GND | L | Ground |
25 | TP-INT | H/L | Interrupt pin |
26 | TP-SDA | H/L | Serial data input pin |
27 | TP-SCL | H/L | Serial clock input |
28 | TP-REST | H/L | TP Hardware reset pin |
29 | TP-VCC | H/L | Power supply 2.8V |
30 | GND | L | Ground |
ABSOLUTE MAXIMUM RATINGS
Item | Symbol | Values | Unit | |
Min | Max. | |||
Supply Voltage for Logic circuit | IOVCC | -0.3 | 4.6 | V |
Supply Voltage for analog circuit | VCI | -0.3 | 4.6 | V |
DC ELECTRICAL CHARACTERISTICS
Item | Symbol | Values | Unit | Remark | ||
Min | Typ | Max. | ||||
Power Supply | VCC | 2.7 | 2.8 | 3.3 | V | |
Normal mode Current consumption | Icc | - | - | 55 | mA | VCC=2.8V |
TFT Gate ON Voltage | VGH | 11.5 | 12 | 16 | V | |
TFT Gate OFF Voltage | VGL | -8 | -12 | -12 | V |
BACKLIGHT UNIT CHARACTERISTICS
Item |
Symbol | Values |
Unit |
Remark | ||
Min | Typ | Max. | ||||
Forward supply Voltage | Vf | 2.7 | - | 3.3 | V | |
Forward supply Current | If | - | 80 | - | mA | |
LCM Luminance | LV | 220 | 250 | - | cd/m2 | IB=80mA |
Uniformity | / | 80 | % | - |
2.8 inch 480x480 Round TFT LCD Display Module Product Image
Factory Facilities and Certificates
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