2.8 inch 240x320 Sunlight Readable TFT IPS LCD
Model No. WF28JSYAJDNN0
►Size: 2.8"
►Resolution: 240×320 dots
►View Direction: IPS
►Interface: MCU, SPI
►Driver IC:ILI9341
►Control-Board: No
►Brightness(cd/m²): 1000
►Frame Through Hole: No
►Touch Screen: Without Touch Screen
Description
WF28JSYAJDNN0 is a 2.8-inch IPS TFT LCD module with a wider viewing angle and a resolution of 240x320 pixels. The WF28J module is designed in portrait mode as an IPS TFT-LCD, incorporating the ILI9341 controller IC. It supports MCU 8-bit/16-bit or SPI interfaces, providing a contrast ratio of 800:1 (typical value). WF28JSYAJDNN0 is a high-brightness version with a brightness of 1000 nits (typical value).
The supply voltage for the interface logic (IOVCC) of the WF28JSYAJDNN0 model ranges from 1.65V to 3.3V, while the supply for the analog circuit is from 2.5V to 3.3V. It is a normally black, transmissive LCD type with an aspect ratio of 3:4 and a glare surface glass. The operating temperature ranges from -20°C to +70°C, and storage temperatures range from -30°C to +80°C.
This 2.8-inch IPS TFT provides a wider viewing angle than TN TFT, with angles of Left: 80 / Right: 80 / Up: 80 / Down: 80 degrees (typical value). IPS panels in TFT displays offer broader viewing angles, accurate and consistent color reproduction, superior image quality, precise touchscreen performance, and consistent color temperature. The versatility of IPS TFT-LCD displays makes them suitable for various applications, including consumer electronics, medical displays, and industrial control panels.
DRAWING
SPECIFICATIONS
Interface Pin Function
LCM PIN Definition
NO | Symbol | Function | I/O | ||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | GND | Ground | P | ||||||||||||||||||||||||||||||||||||||||||||
2-6 | NC | No connection | - | ||||||||||||||||||||||||||||||||||||||||||||
7 | VCI | High voltage power supply for analog circuit blocks (2.5 ~ 3.3 V) |
P | ||||||||||||||||||||||||||||||||||||||||||||
8 | IOVCC | Low voltage power supply for interface logic circuits (2.5 ~ 3.3 V) |
P | ||||||||||||||||||||||||||||||||||||||||||||
9 | TE | Tearing effect output pin to synchronize MPU to frame writing, activated by S/W command. When this pin is not activated, this pin is low. If not used, open this pin. |
O | ||||||||||||||||||||||||||||||||||||||||||||
10 | CS | Chip select signal. | I | ||||||||||||||||||||||||||||||||||||||||||||
11 | D/CX(SCL) | (D/CX): This pin is used to select “Data or Command” in the parallel interface. When DCX = 1, data is selected. When DCX = 0, command is selected. (SCL): This pin is used as the serial interface clock in 3-wire 9-bit/4-wire 8-bit serial data interface. If not used, this pin should be connected to IOVCC or GND. |
I | ||||||||||||||||||||||||||||||||||||||||||||
12 | WR(SPI_D/C) | (WRX) - 8080-Ⅰ/8080-Ⅱ system: Serves as a write signal and writes data at the rising edge. (D/CX) - 4-line system: Serves as the selector of command or parameter. Fix to IOVCC level when not in use. |
I | ||||||||||||||||||||||||||||||||||||||||||||
13 | RD | 8080-Ⅰ/8080-Ⅱ system (RDX): Serves as a read signal and MCU read data at the rising edge. Fix to IOVCC level when not in use. |
I | ||||||||||||||||||||||||||||||||||||||||||||
14-29 | DB0~DB15 | 18-bit parallel bi-directional data bus for MCU system. Fix to GND level when not in use. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
30 | RESET | (RESX)This signal will reset the device and must be applied to properly initialize the chip. Signal is active low. |
I | ||||||||||||||||||||||||||||||||||||||||||||
31 | IM0 | Select the MCU interface mode
MPU Parallel interface bus and serial interface select If use RGB Interface must select serial interface. * : Fix this pin at IOVCC or GND. |
I | ||||||||||||||||||||||||||||||||||||||||||||
32 | IM1 | ||||||||||||||||||||||||||||||||||||||||||||||
33 | IM2 | ||||||||||||||||||||||||||||||||||||||||||||||
34 | DB16 | 18-bit parallel bi-directional data bus for MCU system and RGB interface mode Fix to GND level when not in use. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
35 | DB17 | ||||||||||||||||||||||||||||||||||||||||||||||
36 | LEDK | Cathode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
37 | LEDK | Cathode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
38 | LEDA | Anode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
39 | SDA | SDA : Serial in/out signal. The data is applied on the rising edge of the SCL signal. If not used, fix this pin at IOVCC or GND. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
40 | NC | Not used, open this pin | N |
General Specifications
Item | Dimension | Unit |
---|---|---|
Size | 2.8 | inch |
Dot Matrix | 240 x RGB x 320(TFT) | dots |
Module dimension | 50.5(W) x 69.7(H) x 4.55(D) | mm |
Active area | 43.2 x 57.6 | mm |
Dot pitch | 0.18 x 0.18 | mm |
LCD type | TFT, Normally Black, Transmissive | |
TFT Driver IC | ILI9341V or equivalent | |
TFT Interface | MCU/SPI | |
Viewing angle | 80/80/80/80 | |
Aspect Ratio | 3:4 | |
Backlight Type | LED,Normally White | |
Touch Panel | Without Touch Panel | |
Surface | Glare |
Absolute Maximum Ratings
Item | Symbol | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Operating Temperature | TOP | -20 | - | +70 | ℃ |
Storage Temperature | TST | -30 | - | +80 | ℃ |
Electrical Characteristics
Item | Symbol | Condition | Min | Typ | Max | Unit |
---|---|---|---|---|---|---|
Supply Voltage for digital | IOVCC | - | 1.65 | - | 3.3 | V |
Supply Voltage for analog | VCI | - | 2.5 | - | 3.3 | V |
Power Supply for Current | ICC | IOVCC=VCI =VCC=3.0V |
- | 13 | 20 | mA |
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