2.8 inch 240x320 Sunlight Readable TFT IPS LCD


►Size: 2.8"
►Resolution: 240×320 dots
►View Direction: IPS
►Interface: MCU, SPI
►TFT Driver IC: ILI9341
►Control-Board: No
►Brightness(cd/m²): 1000
►Frame Through Hole: No
►Touch Screen: Without Touch Screen


WF28J is a 2.8 inch wider view angle IPS TFT LCD module, with resolution 240x320 pixels. WF28J module is a portrait mode IPS TFT-LCD; this module is built in with ILI9341 controller IC; it supports MCU 8-bit/16-bit or SPI interface, contrast ratio 800 (typical value). WF28JSYAJDNN0 is a high brightness version which is having brightness 1000 nits (typical value).  This 2.8” IPS TFT has a wider viewing angle than TN TFT, the view angle is Left:80 / Right:80 / Up:80 / Down:80 degree (typical value). The supply voltage for interface logic (IOVCC) of WF28J model is from 1.65V to 3.3V, supply for analog circuit is from 2.5V ~3.3V, normally black, transmissive LCD type, aspect ratio 3:4, glare surface glass. It can be operating at temperatures from -20℃ to +70℃ and storage temperatures from -30℃ to +80℃.



2.8 inch 240x320 Sunlight Readable TFT IPS LCD - WF28JSYAJDNN0 - Winstar Display


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)
8 IOVCC Low voltage power supply for interface logic circuits
(2.5 ~ 3.3 V)
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.
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.
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.
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.
14-29 DB0~DB15 18-bit parallel bi-directional data bus for MCU system.
Fix to GND level when not in use.
30 RESET (RESX)This signal will reset the device and must be applied to properly initialize the chip.
Signal is active low.
31 IM0 Select the MCU interface mode
IM2 IM1 1M0 MCU-Interface Mode DB Pin in use
Register/Content GRAM
0 0 0 80 MCU 8-bit bus interface I D[7:0] D[7:0]
0 0 1 80 MCU 16-bit bus interface I D[7:0] D[15:0]
0 1 0 80 MCU 9-bit bus interface I D[7:0] D[8:0]
0 1 1 80 MCU 18-bit bus interface I D[7:0] D[17:0]
1 0 1 3-wire 9-bit data serial interface I SDA: In/Out
1 1 0 4-wire 8-bit data serial interface I SDA: In/Out

MPU Parallel interface bus and serial interface select
If use RGB Interface must select serial interface.
* : Fix this pin at IOVCC or GND.
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.
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.
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
13 20 mA

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