2.8" IPS High Brightness TFT LCD Display 240x320

Model No. RFJ280J-AYH-DNN

RFJ280G-ALW-DNN is a 2.8-inch, IPS, vertical/portrait, active matrix TFT-LCD module. Its resolution is 240Xx320 pixels (width 240 pixels x height 320 pixels) with aspect ratio 3:4. The module features wide viewing angle thanks to the IPS panel which is one of the most popular techniques on the market now. This 2.8-inch TFT module adopts driver IC ILI9341V supporting MCU/SPI interface. The brightness is 1000 cd/m2 with contrast ratio 800:1. Operating temperature covers from -20~+70℃, storage temperature range is from -30~+80℃. This design is a good fit for industrial application, medical equipment, home appliances, etc.

Inquiry or Demo Code Datasheet Back Previous
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series High Brightness TFT LCD, IPS TFT LCD
Size (Diagonal) 2.8 inch
Dot Matrix / Resolution 240 × RGB × 320 (TFT) dots
Module Dimension 50.5(W) × 69.7(H) × 4.55(D) mm
Active Area 43.2 × 57.6 mm
Dot / Pixel Pitch 0.18 × 0.18 mm
LCD Type TFT, Normally Black, Transmissive
View Direction 80/80/80/80 (IPS)
Aspect Ratio 3:4
Backlight Type LED, Normally White
Control Board No
TFT Driver IC ILI9341V or equivalent
Interface MCU / SPI
Touch Panel Without Touch Panel
Surface Glare
Brightness 1000 cd/㎡
Mounting Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C

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


Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80

Operating conditions

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