Home Products TFT LCD IPS TFT LCD WF28JSYAJDNN0
2.8 inch 240x320 Sunlight Readable TFT IPS LCD - WF28JSYAJDNN0
2.8 inch 240x320 Sunlight Readable TFT IPS LCD - WF28JSYAJDNN0
2.8 inch 240x320 Sunlight Readable TFT IPS LCD - WF28JSYAJDNN0

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
►TFT Driver IC: ILI9341
►Control-Board: No
►Brightness(cd/m²): 1000
►Frame Through Hole: No
►Touch Screen: Without Touch Screen

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DESCRIPTION

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℃.

 

DRAWING

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

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
(1.65 ~ 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 VDDI or VSS.		 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 VDDI 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 VDDI level when not in use.		 I
14-29 DB0~DB15 18-bit parallel bi-directional data bus for MCU system and RGB
interface mode
Fix to VSS level when not in use.		 I/O
30 RESET 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
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 VDDI or VSS.		 I
32 IM1
33 IM2
34 DB16 18-bit parallel bi-directional data bus for MCU system and RGB
interface mode
Fix to VSS 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 SDI(SDA) When IM[3] : Low, Serial in/out signal.
When IM[3] : High, Serial input signal.
The data is applied on the rising edge of the SCL signal.
If not used, fix this pin at VDDI or VSS.		 I/O
40 SDO Serial output signal.
The data is outputted on the falling edge of the SCL signal.
If not used, open this pin		 O

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 ILI9341 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=3.28V		 － 12 18 mA

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