ST7789 Display,ST7789 TFT Display,TFT ST7789 - RFJ240M-ALW-DNN
ST7789 Display,ST7789 TFT Display,TFT ST7789 - RFJ240M-ALW-DNN

2.4 inch 240x320 Portrait ST7789 TFT Display

Model No. RFJ240M-ALW-DNN

RFJ240M-ALW-DNN is a 2.4-inch, vertical/portrait, and active matrix TFT module with transmissive mode. Its resolution is 240x320 pixels. This 2.4-inch TFT display module has controller IC ST7789V supporting SPI interface. The brightness is 500 cd/m2 with contrast ratio 500:1. Operating temperature covers from -20~+70℃, storage temperature range is from -30~+80℃. This design is a good fit for industrial application, testing equipment, etc.

Related products no.:
RFJ240M-ALW-DNN: Without Touch Screen
RFJ240M-ALW-DNS: With Resistive Touch Screen

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series Standard TFT
Size (Diagonal) 2.4 inch
Dot Matrix / Resolution 240 × RGB × 320 (TFT) dots
Module Dimension 42.72(W) × 60.26(H) × 2.25(D) mm
Active Area 36.72 × 48.96 mm
Dot / Pixel Pitch 0.053 × 0.153 mm
LCD Type TFT, Normally White, Transmissive
View Direction 6 o’clock
Gray Scale Inversion Direction 12 o’clock
Aspect Ratio Portrait
Backlight Type LED, Normally White
Control Board No
TFT Driver IC ST7789V
Interface SPI
Touch Panel Without Touch Screen
Surface Glare
Brightness 500 cd/㎡
Mounting Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C
NO Symbol Function
1 GND Ground
2 VLED+ Anode of LED backlight.
3 VLED- Cathode of LED backlight.
4 GND Ground
5 VCC Power supply
6 RESET System reset pin. (RESX) signal is active low
7 SDA When IM3: Low, SPI interface input/output pin.
When IM3: High, SPI interface input pin.
The data is latched on the rising edge of the SCL signal.
If not used, please fix this pin at VDDI or DGND level.
8 DCX(SCL) This pin is used to be serial interface clock.
DCX=’1’: display data or parameter.
DCX=’0’: command data.
If not used, please fix this pin at VDDI or DGND.
9 CSX Chip selection pin
Low enable.
High disable.
10 WRX(D/CX) Display data/command selection pin in 4-line serial interface.
Second Data lane in 2 data lane serial interface.
If not used, please fix this pin at VDDI or DGND.
11 GND Ground
12 SDO(DOUT) SPI interface output pin.
The data is output on the falling edge of the SCL signal.
If not used, let this pin open.
13 TE Tearing effect signal is used to synchronize MCU to frame memory
writing. If not used, please let this pin open
14 IM3 The MCU interface mode select.
IM3 IM2 IM1 IM0 MPU Interface Mode Data pin
0 1 1 0 4-line 8bit serial I/F SDA: in/out
1 1 1 0 4-line 8bit serial I/F II SDA: in/SDO: out
15 GND Ground
16-19 NC No connection
20 GND Ground

ST7789 Display,ST7789 TFT Display,TFT ST7789 - RFJ240M-ALW-DNN

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 Analog VCC 2.4 3.3 3.6 V
Supply Current For LCM ICC 6.4 9.6 mA

LED driving conditions

Parameter Symbol Min. Typ. Max. Unit
LED current 80 mA
Power Consumption 256 mW
LED voltage VLED+ 2.8 3.1 3.3 V
LED Life Time 50,000 Hr
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