Wide Temperature 8.4″ LVDS TFT LCD Display with PCAP

Model No. WF0840ATWAMLNB0

Size : 8.4”
Resolution : 1024 x 768 dots
View Direction : 80/80/80/80 (IPS)
Interface : LVDS
Driver IC : ST5821AH+ST5084AA
Control-Board : No
Brightness (cd/m²): 400
Frame Through Hole : No
Touch Screen : Projected capacitive touch screen (PCAP)
Detect Point : 2 Fingers
Operating Temperature : -30~+80 °C (Wide Temperature)

Categories: TFT LCD, Wide Temperature TFT

Description

WF0840ATWAMLNB0 is a 1024×768 IPS TFT LCD with a Projected Capacitive Touchscreen (PCAP) and diagonal 8.4-inch screen. It has module dimensions of 199.5 x 149.0 mm, an AA of 170.8032 x 128.1024 mm, and an aspect ratio of 4:3. This TFT module is built-in with ST5821AH and ST5084AA driver ICs, supporting LVDS interfaces. The LVDS interface is becoming increasingly popular for TFT displays because it is the perfect connecter for the TFT LCD modules requiring high-speed data transmission with low power consumption.

This 8.4-inch TFT model features an IPS panel to present the wider viewing angles of Left: 80/ Right: 80/ Up: 80/ Down: 80 degrees (typical value). It also boasts a contrast ratio of 1000:1 (typical value) and a 400 nits (typical value) brightness. The supply voltage for Logic (VDD) of WF0840ATWAMLNB0 is from 3.0V to 3.6V, with a typical value of 3.3V. It can operate at a wide temperature range from–30℃ to +80℃ and storage temperatures from -30℃ to +80℃. WF0840ATWAMLNB0 is suitable for home appliances, medical equipment, industrial control devices, etc.

Drawing

SPECIFICATIONS

Interface

LCM PIN Definition

Pin No.	Symbol	Function
1	VDD	Power supply
2	VDD	Power supply
3	GND	Ground
4	GND	Ground
5	Link0-	0- LVDS differential data input (D0N)
6	Link0+	0+ LVDS differential data input (D0P)
7	GND	Ground
8	Link1-	1- LVDS differential data input (D1N)
9	Link1+	1+ LVDS differential data input (D1P)
10	GND	Ground
11	Link2-	2- LVDS differential data input (D2N)
12	Link2+	2+ LVDS differential data input (D2P)
13	GND	Ground
14	CLKIN-	– LVDS differential clock input (CLKN)
15	CLKIN+	+ LVDS differential clock input (CLKP)
16	GND	Ground
17	Link3-	3- LVDS differential data input (D3N)
18	Link3+	3+ LVDS differential data input (D3P)
19	MODE	Bit 6/8:Low(6 Bit);High(8 Bit)
20	SC	Scan direction selector (Low: Normal ;High: Reverse)

CN2

Pin No.	Symbol	Function
1	NC	No connection
2	NC	No connection
3	LED C1	LED_ Cathode 1
4	LED A1	LED_ Anode 1
5	LED A2	LED_ Anode 2
6	LED C2	LED_ Cathode 2

PCAP PIN Definition

Pin	Symbol	Function
1	USB_VSS	System ground
2	USB_VDD 5V	Power supply
3	USB_D+	Data +
4	USB_D-	Data –
5	VSS	System ground
6	SDA	I2C data input and output (Must be pulled high.)
7	SCL	I2C clock input (Must be pulled high.)
8	RST	External Reset, Low is active
9	INT	External interrupt to the host
10	VDDT 3.3	Power supply

General Specifications

Item	Dimension	Unit
Screen Diagonal	8.4	inch
Number of Pixels	1024 × 3(BGR) × 768	dots
Module dimension	199.5 × 149.0 × 14.3	mm
Active area	170.8032 (H) × 128.1024(V)	mm
Pixel pitch	0.1668 × 0.1668	mm
Display Mode	Normally Black , Transmissive
Viewing Angle	80/80/80/80
Drive IC	ST5821AH+ST5084AA or Equivalent
TFT Interface	LVDS
Backlight Type	LED, Normally White
Aspect Ratio	4:3
Side screw torque	Typ:0.9 Max:1.3 (Unit,Kgf-cm)
PCAP IC	EXC81W32 or equivalent
PCAP Interface	USB (I2C available)
PCAP FW Version	00_T1_M03
PCAP Resolution	16384×16384
Touch Panel	PCAP, Projected capacitive touch panel
Surface	Glare

Absolute Maximum Ratings

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

Electrical Characteristics

Operating conditions

Item		Symbol	Min	Typ	Max	Unit
Supply Voltage For Logic		VDD	3.0	3.3	3.6	V
Power Supply For Current		VDD=3.3V	－	330	495	mA
Input Voltage	H level	VIH	0.7VDD	－	VDD	V
Input Voltage	L Level	VIL	GND	－	0.3VDD	V
Supply PCAP		USB_VDD 5V	4.4	5.0	5.5	V
		I VDD 5V	—	45	68	mA
		VDDT	2.8	3.3	3.5	V
		I VDDT	—	45	68	mA