320x480 TFT, 320x480 LCD, 3.5 inch IPS TFT  - RFI350U-AYW-DNN
320x480 TFT, 320x480 LCD, 3.5 inch IPS TFT  - RFI350U-AYW-DNN

3.5" IPS 320x480 TFT LCD

Model No. RFI350U-AYW-DNN

RFI350U-AYW-DNN is a 3.5-inch diagonal IPS transmissive type 320x480 TFT LCD display module. The module features wide viewing angle thanks to the IPS panel which is one of the most popular techniques on the market now. The dimension size of this module is 54.5x83 mm, size of active area is 48.96x73.44 mm. This TFT display module uses ILI9488 driver IC which supports 8/16/18-bit MCU, 3-Line SPI interface and RGB interface + 3-SPI. This 320x480 TFT LCD module has brightness 600 cd/m2 with contrast ratio (typical value) 700:1. The module works within the temperature -20 to +70℃, storage temperature ranges from -30 to +80℃.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series Standard TFT LCD, Wide View TFT LCD, IPS TFT LCD
Size (Diagonal) 3.5 inch
Dot Matrix / Resolution 320 × RGB × 480 (TFT) dots
Module Dimension 54.5(W) × 83.0(H) × 2.46(D) mm
Active Area 48.96 × 73.44 mm
LCD Type TFT, Normally Black, Transmissive
View Direction 80/80/80/80 (IPS)
Aspect Ratio Portrait
Backlight Type LED, Normally White
Control Board No
TFT Driver IC ILI9488 Or Equal
Interface MCU 8/16/18-bit, 3-SPI ,RGB interface+3-SPI
Touch Panel Without Touch Screen
Surface Anti-Glare
Brightness 600 cd/㎡
Mounting Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C

LCM PIN Definition

NO Symbol Function I/O
1 LEDK Cathode of LED backlight P
2 LEDA Anode of LED backlight. P
3 IM0 Note 1 I
4 IM1 Note 1 I
5 IM2 Note 1 I
6 RESET System reset pin. I
7 NC(VS) No Connection (Vrtical Sync signal) Note 2) I
8 NC(HS) No Connection (Horizontal Sync signal ; Note 2) I
9 NC(DCLK) No Connection (Pixel clock signal; Note 2) I
10 NC(DE) No Connection (Data Enable; Note 2) I
11-16 DB17-12 Data bus (R5~R0; RGB-18bit Pixel; Note 2) I
17-22 DB11-6 Data bus (G5~G0; RGB-18bit Pixel; Note 2) I
23-28 DB5-0 Data bus (R5~G0; RGB-18bit Pixel; Note 2) I
29 NC (SDA) Connection (serial data input/output pin) I
30 RD Read strobe signal. Read out data when RDX is Low. I
31 WR (SCL) Write data when WRX is Low.(serial clock input pin) I
32 D/C register select I
33 CS (NCS) Chip select signal (serial chip select input pin) I
34 IOVCC Power supply (TYP:1.8V/2.8V). P
35 VCI Power supply(TYP:2.8V). P
36 GND Ground P
37 NC No connection  
38 NC No connection  
39 NC No connection  
40 NC No connection  

Note 1:

IM2 IM1 IM0 MPU  Interface GRAM
0 0 0 8080 MCU 18-bit bus D[17:0]
0 1 0 8080 MCU 16-bit bus D[15:0]
0 1 1 8080 MCU 8-bit bus D[7:0]
1 0 1 3-Line SPI SDA,SCL,NCS
1 0 1 RGB interface+3-SPI D[17:0] (RGB-18bit/Pixel)
D[15:0] (RGB-16bit/Pixel)

320x480 TFT, 320x480 LCD, 3.5 inch IPS TFT  - RFI350U-AYW-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 digital IOVCC 1.8/2.8 3.3 V
Supply Voltage for analog VCI 2.8 3.3 V
Power Supply for Current ICC IOVCC=VCI
13.6 mA

Backlight driving conditions

Parameter Symbol Min Typ Max Unit
LED current 160 mA
LED voltage LEDA 2.6 3.0 3.4 V
LED Life Time 50000 Hr