2.8-inch TFT LCD Module With Projected Capacitive Touch Panel - RFJ280E-ALW-DNF
2.8-inch TFT LCD Module With Projected Capacitive Touch Panel - RFJ280E-ALW-DNF

2.8" TFT LCD Module With Projected Capacitive Touch Panel

Model No. RFJ280E-ALW-DNF

RFJ280E-ALW-DNF is a 2.8", vertical active matrix TFT module with transmissive mode. Its resolution is 240x320 pixels. This 2.8" TFT LCD module comes with projected capacitive touch panel and has built-in IC ILI9341 supporting MCU interface. The PCAP touchscreen has a built-in IC FT6336G which enables 1-point touch, supports I2C interface. The brightness is 400 cd/m2 with contrast ratio 500:1. Operating temperature covers from -20~+70℃, storage temperature range is from -30~+80℃.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series Standard TFT
Size (Diagonal) 2.8 inch
Dot Matrix / Resolution 240 × RGB × 320 (TFT) dots
Module Dimension 50.0(W) × 69.2(H) × 3.42(D) mm
Active Area 43.2 × 57.6 mm
Dot / Pixel Pitch 0.06 × 0.18 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
Built-in Controller ILI9341
Interface 8-bit/16-bit CPU (build in controller)
PCAP Interface I2C
Detect Points 1 Points
Touch Panel Projected Capacitive Touch Panel, PCAP
Surface Glare
Brightness 400 cd/㎡
O-Film No
Mounting Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C

LCM PIN Definition

NO Symbol Function I/O
1~4 DB8~DB11 Data bus I/O
5 GND Ground P
6 IOVCC power supply P
7 /CS Chip select signal. I
8 RS register select I
9 /WR Write data when WRX is Low. I
10 /RD Read strobe signal. Read out data when RDX is Low. I
11 GND Ground P
12 NC No connection -
13 NC No connection -
14 NC No connection -
15 NC No connection -
16 LEDA Anode of LED backlight. P
17~20 LEDK1~4 Cathode of LED backlight. P
21 IM0 IM0=0 8Bit DB0-7; IM0=1 16Bit DB0-DB15 P
22 DB12 Data bus I/O
23~30 DB0~DB7 Data bus I/O
31 /RESET System reset pin. I
32~33 VCI power supply P
34 GND Ground P
35~37 DB13~DB15 Data bus I/O

PCAP PIN Definition

Pin Symbol Function
1 VSS Ground for analog circuit
2 VDDT Power Supply : +3.3V
3 SCL I2C clock input
4 NC No connect
5 SDA I2C data input and output
6 NC No connect
7 /RST External Reset, Low is active
8 NC No connect
9 /INT External interrupt to the host
10 VSS Ground for analog circuit

2.8-inch TFT LCD Module With Projected Capacitive Touch Panel - RFJ280E-ALW-DNF

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 VCI 2.5   3.3 V
Supply Voltage For Logic IOVCC   1.65   3.3 V
Supply Current For LCM ICC 5 7.5 mA
Supply Voltage For Touch Logic IOVCC 3.0 3.3 3.6 V

LED driving conditions

Parameter Symbol Min Typ Max Unit
LED current   - 80 - mA
Power Consumption    224 256 272  mW
LED voltage VBL+  2.9 3.2 3.4 V
LED Life Time   - 30,000 - Hr