4 inch 480x480 High Brightness IPS TFT Display with IC ST7701S - RFA6400E-AWH-DNN
4 inch 480x480 High Brightness IPS TFT Display with IC ST7701S - RFA6400E-AWH-DNN

4" 480x480 High Brightness IPS TFT Display with IC ST7701S

Model No. RFA6400E-AWH-DNN

RFA6400E-AWH-DNN is IPS transmissive type high brightness TFT display. This IPS TFT display module has a 4 inch diagonally measured active display area with 480x480 resolution and 1:1 aspect ratio. The module features wide viewing angle thanks to the IPS panel which is one of the most popular techniques on the market now. It also features wide viewing angle and high brightness, providing brightness 1000 cd/m2, contrast ratio (typical value) 800:1. It uses ST7701S driver IC which supports 24-bit RGB Interface. RFA6400E-AWH-DNN TFT LCD module works within wide temperature range from -30 to +80℃, storage temperature covers from -30 to +80℃.

Related products no.:
RFA6400E-AWH-DNG: With Projected Capacitive Touch Screen
RFA6400E-AWH-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
Size (Diagonal) 4 inch
Dot Matrix / Resolution 480 × 3(RGB) × 480 dots
Module Dimension 78.8(H) × 82.95 (W) × 4.77 mm
Viewing Area 73.06 × 71.38 mm
Active Area 71.856(H) × 70.176 (V) mm
Dot / Pixel 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
Backlight Type LED, Normally White
Control Board No
TFT Driver IC ST7701S
Interface 24-bit RGB
Touch Panel Without Touch Screen
Surface Glare
Brightness 1000 cd/㎡
O-Film No
Mounting Hole No
Operating Temperature -30~+80 °C
Storage Temperature -30~+80 °C
TFT Series IPS TFT LCD, Wide Temperature TFT LCD, Wide View TFT, High Brightness TFT LCD

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

4 inch 480x480 High Brightness IPS TFT Display with IC ST7701S - RFA6400E-AWH-DNN

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

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


Backlight Driving Conditions

Parameter Symbol Min. Typ. Max. Unit
LED current ILED - 120 - mA
LED voltage VLED+ 13.5 15 17 V
LED Life Time   50,000 - - Hr