3.9″ 480×128 Top View Direction Stretched RTP TFT LCD

Model No. WF39CTIASDNT0

Size : 3.9″
Resolution : 480×128 dots
View Direction : 12H
Interface : RGB
Driver IC: HX8278-A
Control-Board : No
Brightness(cd/m²) : 350
Frame Through Hole : No
Touch Screen : Resistive Touch Screen

Description

WF39CTIASDNT0 is a 3.9 inch Top View Bar TFT module with Resistive Touch Screen (RTP) which featured with 480×128 dots resolution. WF39CTIASDNT0 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 350 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 Projected capacitive touch panel (PCAP) 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

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	XL	Left electrode
38	YU	Top electrode
39	XR	Right electrode
40	YD	Bottom electrode

General Specifications

Item	Dimension	Unit
Size	3.9	inch
Dot Matrix	480 ×128 × RGB (TFT)	dots
Module dimension	105.5(W) × 37.0(H) × 4.58(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
Touch Screen	With Resistive Touch Screen
Surface	Anti-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

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