3.9″ 480×128 Stretched Bar TFT LCD Display

Model No. WF39ETWASDNN0

  • Size : 3.9″
  • Resolution : 480×128 dots
  • View Direction : IPS
  • Interface : RGB
  • Driver IC: SC7283
  • Control-Board : No
  • Brightness(cd/m²) : 500
  • Frame Through Hole : No
  • Touch Screen : No
  • Operating Temperature : -30~+85 °C (Wide Temperature)
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Description

WF39ETWASDNN0 is a 3.9-inch bar-type TFT LCD with IPS 80/80/80/80 wide viewing angles. It has 480×128 dots resolution and 500 cd/m2 brightness. The module dimension is 105.5(W) × 37.0(H) mm, and the active area is 95.04 × 25.34 mm. The module is built-in with SC7283 driver IC, supporting 24-bit RGB interfaces.

The supply voltage for LCM (VCC) of the display is from 3V to 3.6V. This bar TFT can operate at temperatures from -30 ℃ to +85 ℃, and its storage temperatures are also from -30 ℃ to +85 ℃.

Drawing

Drawing

Interface

Interface

LCM PIN Definition

Pin Symbol Function
1 VLED- Power for LED backlight cathode
2 VLED+ Power for LED backlight anode
3 GND Power ground
4 VCC Power voltage
5 R0 Red data
6 R1 Red data
7 R2 Red data
8 R3 Red data
9 R4 Red data
10 R5 Red data
11 R6 Red data
12 R7 Red data
13 G0 Green data
14 G1 Green data
15 G2 Green data
16 G3 Green data
17 G4 Green data
18 G5 Green data
19 G6 Green data
20 G7 Green data
21 B0 Blue data
22 B1 Blue data
23 B2 Blue data
24 B3 Blue data
25 B4 Blue data
26 B5 Blue data
27 B6 Blue data
28 B7 Blue data
29 GND Power ground
30 DCLK Pixel clock input pin
31 DISP DISP sets the display mode.

DISP Function Description
L Standby mode
H Normal display mode
32 HSYNC Horizontal sync signal, default is negative polarity.
33 VSYNC Vertical sync signal, default is negative polarity.
34 NC No connection
35 NC No connection
36 GND Power ground
37 NC(XR) No connection
38 NC(YD) No connection
39 NC(XL) No connection
40 NC(YU) No connection

General Specifications

General Specifications

Item Dimension Unit
Size 3.9 inch
Dot Matrix 480 x RGBx128(TFT) dots
Module dimension 105.5(W) × 37.0(H) × 3.05(D) mm
Active area 95.04 × 25.34 mm
Dot pitch 0.066(W) × 0.198(H) mm
LCD type TFT, Normally Black, Transmissive
Viewing Angle 80/80/80/80
Aspect Ratio Bar Type
Driver IC SC7283 or equivalent
TFT Interface 24-bit RGB
Backlight Type LED, Normally White
Touch Screen Without touch screen
Surface Anti-Glare

Absolute Maximum Ratings

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -30 － +85 ℃
Storage Temperature TST -30 － +85 ℃

 

Electrical Characteristics

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For LCM VCC – 3.0 – 3.6 V
Supply Current For LCM ICC – – 20 30 mA

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