5.2 Resistive Touch Bar Type TFT LCD Display Module - RFS520A-ALW-DNS
5.2 Resistive Touch Bar Type TFT LCD Display Module - RFS520A-ALW-DNS
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
Size (Diagonal) 5.2 inch
Dot Matrix / Resolution 480 × RGB × 128 dots
Module Dimension 140.4 × 49.87 × 4.5 mm
View Area 130.0 × 36.6 mm
Active Area 127.152 × 33.9072 mm
Dot / Pixel Pitch 0.0883 × 0.2649 mm
LCD Type TFT, Normally White, Transmissive
View Direction 6 o’clock
Gray Scale Inversion Direction 12 o’clock
Aspect Ratio Bar Type
Backlight Type LED, Normally White
Control-Board No
TFT Driver IC ST7252 Or Equal
Interface RGB 24bit
Touch Panel Resistive Touch Panel, RTP
Surface Anti-Glare
Brightness 350 cd/㎡
Frame Through Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C
TFT Series Bar Type TFT

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 (LSB)
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 (MSB)
13 G0 Green data (LSB)
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 (MSB)
21 B0 Blue data (LSB)
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 (MSB)
29 GND Power ground
30 CLK Pixel clock (DCLK)
31 LR Right /Left selection; Default R/L is Pull High
32 HSYNC Horizontal sync signal; negative polarity
33 VSYNC Vertical sync signal; negative polarity
34 NC No connection
35 UD Up/down selection; Default U/D is Pull High
36 RESET Reset signal
37 XR Right electrode
38 YD Bottom electrode
39 XL Left electrode
40 YU Top electrode

5.2 Resistive Touch Bar Type TFT LCD Display Module - RFS520A-ALW-DNS

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 Logic VDD 3.0 3.3 3.6 V
Digital operation current IDD 20 mA

 

Backlight driving condition

Parameter Symbol Min Typ Max Unit
LED current   - 60 - mA
LED voltage VLED+ 16.8 18.6 21 V
LED Life Time   - 50,000 - Hr
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