Home Products TFT Display IPS TFT LCD WF40ETWAA6DNN0

4" 480x480 Wide Temperature IPS TFT Display with ST7701S driver IC

Model No. WF40ETWAA6DNN0

►Size: 4 inch
►Resolution : 480x480 dots
►View Direction : IPS
►Interface : RGB
►Driver IC : ST7701S
►Control-Board : No
►Brightness(cd/m²) : 500
►Frame Through Hole : No
►Touch Screen : Without touch screen
►Operating Temperature : -30~+80°C (Wide Temperature)

Description

The WF40ETWAA6DNN0 is a 4-inch square IPS TFT-LCD module with a 480 x 480 pixel resolution, supporting a 24-bit RGB interface. This module integrates the ST7701S driver IC, ensuring superior performance with fast response times and precise color rendering. The IPS panel provides the advantage of a wider viewing angle: Left: 80°, Right: 80°, Up: 80°, Down: 80° (typical), along with a contrast ratio of 800:1 (typical), a brightness of 500 nits (typical), and an aspect ratio of 1:1.

Thanks to the ST7701S driver, the module delivers outstanding reliability and stability across various applications, with an interface supply voltage range from 2.5V to 3.6V, typically 2.8V. This driver ensures the module operates effectively within a wide temperature range, from -30°C to +80°C, with a storage temperature range of -30°C to +80°C.

The WF40ETWAA6DNN0 is a standard brightness model, also available with a Projected Capacitive Touch Panel (PCAP) under the model number WF40ETWAA6DNG0.

For applications requiring high brightness (1000 nits), customers can choose the WF40ESWAA6DNN0 or the WF40ESWAA6DNG0 (PCAP).

DRAWING

4 inch 480x480 Wide Temperature IPS TFT Display with ST7701S driver IC  - WF40ETWAA6DNN0

SPECIFICATIONS

General Specifications

Item Dimension Unit
Size 4.0 inch
Dot Matrix 480 × 3(RGB) × 480 dots
Module dimension 78.8(H) × 82.95 (W) × 4.77 mm
Active area 71.856(H) × 70.176 (V) mm
Dot pitch 0.1497(H) × 0.1462(V) mm
LCD type TFT, Normally Black, Transmissive
View Direction 80/80/80/80 (IPS)
Aspect Ratio 1:1
Interface 24-bit RGB
Driver IC ST7701S or Equivalent
Backlight Type LED, Normally White
Touch Panel Without Touch Panel
Surface Glare

Absolute Maximum Ratings

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

Electrical Characteristics

Typical Operation Conditions

Item Symbol Values Unit
Min. Typ. Max.
Interface Supply Voltage VCC 2.5 2.8 3.6 V
Current for Driver(White) IVCC - 27 40.5 mA

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 supply
5 R0 Data bus
6 R1
7 R2
8 R3
9 R4
10 R5
11 R6
12 R7
13 G0 Data bus
14 G1
15 G2
16 G3
17 G4
18 G5
19 G6
20 G7
21 B0 Data bus
22 B1
23 B2
24 B3
25 B4
26 B5
27 B6
28 B7
29 SCL SCL: Serial clock input for SPI interface.
30 PCLK Dot clock signal for RGB interface operation
31 CS - A chip select signal
Low: the chip is selected and accessible
High: the chip is not selected and not accessible
32 HSYNC Line synchronizing signal for RGB interface operation  
33 VSYNC Frame synchronizing signal for RGB interface operation
34 DE Data enable signal for RGB interface operation
Low: access enabled
High: access inhibited
35 SDA SDA: Serial data input/output bidirectional pin for SPI Interface.
36 RESET - The external reset input
- Initializes the chip with a low input. Be sure to execute a power-on reset after supplying power.
37-40 NC No connect

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