Home Products TFT LCD Bar Type TFT LCD WF39CTIASDNG0

3.9" 480x128 Top View Direction Stretched PCAP TFT LCD Display

Model No. WF39CTIASDNG0

►Size : 3.9"
►Resolution : 480×128 dots
►View Direction : 12H
►Interface : RGB
►Driver IC: HX8278-A
►Control-Board : No
►Brightness(cd/m²) : 400
►Frame Through Hole : No
►Touch Screen : Projected capacitive touch panel (PCAP)
►Detect Point : 5 Fingers

Description

WF39CTIASDNG0 is a 3.9 inch Top View Bar TFT module with Projected Capacitive Touch Panel (PCAP) which featured with 480x128 dots resolution. WF39CTIASDNG0 is built in with Driver IC HX8278-A, it communicates via 24-bit RGB interface, 3.3V (typical) power supply voltage, supports SYNC mode or DE mode, default SYNC mode. Its brightness is 400 nits; contrast ratio of 500, view direction 12 o'clock (top view direction), gray scale inversion direction 6 o'clock, and glare surface glass. It can be operating at temperatures from -20℃ to +70℃, its storage temperatures range from -30℃ to +80℃.

We also offer Resistive Touch Panels (RTP) and High Brightness version optional for WF39C model. WF39C is top-view direction TFT module, if customers require bottom-view (6 o'clock), please choose WF39B series Bar TFT model.

DRAWING

3.9" 480x128 Top View Direction Stretched PCAP TFT LCD Display - WF39CTIASDNG0

SPECIFICATIONS

Interface

LCM PIN Definition

No. Symbol Description
1 VLED- Backlight LED Cathode
2 VLED+ Backlight LED Anode.
3 GND System Ground
4 VCC Power supply for logic operation
5~12 R0~R7 Data bus
13~20 G0~G7 Data bus
21~28 B0~B7 Data bus
29 GND System Ground
30 DCLK Pixel clock signal
31 DISP Display on/off control
32 HSYNC Horizontal Sync signal
33 VSYNC Vrtical Sync signal
34 NC No connection (Option DE)
35 NC No connection
36 GND System Ground
37 NC No connection
38 NC No connection
39 NC No connection
40 NC No connection

PCAP PIN Definition

Pin Symbol Function
1 VSS Ground for analog circuit
2 VDDT Power Supply : +3.0V
3 SCL I2C clock input.
4 NC No connect
5 SDA I2C data input and output
6 NC No connect
7 /RST External Reset, Low is active
8 NC No connect
9 /INT External interrupt to the host
10 VSS Ground for analog circuit

General Specifications

Item Dimension Unit
Size 3.9 inch
Dot Matrix 480 ×128 × RGB (TFT) dots
Module dimension 105.5(W) × 37.0(H) × 5.2(D) mm
Active area 95.04 × 25.34 mm
Dot pitch 0.066(W) × 0.198(H) mm
LCD type TFT, Normally White, Transmissive
View Direction 12 o'clock
Gray Scale Inversion Direction 6 o'clock
Aspect Ratio Bar Type
Driver IC HX8278-A or equivalent
TFT Interface RGB-24BIT
Backlight Type LED, Normally White
CTP IC CYTM568 or equivalent
CTP FW Version 0x0001
Touch Screen Projected capacitive touch panel (PCAP)
Surface Glare

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80

Electrical Characteristics

Operating conditions

Item Symbol Condition Min Typ Max Unit
Supply Voltage For LCM VCC - 3.0 3.3 3.6 V
Supply Current For LCM ICC - - 15 25 mA
Supply Voltage For Touch Logic VDDT - 2.8   3.5 mA

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