IPS 1.28 inch Round TFT LCD Display (GC9A01)

Model No. WF0128BTYAA4DNN0

Rround TFT Display
1.28 inch TFT LCD
Resolution : 240×240 dots
View Direction :80/80/80/80 (IPS)
Interface :SPI
Driver IC : GC9A01
Control-Board : No
Brightness (cd/m²): 400
Frame Through Hole : No
Touch Screen : Without Touch Panel

Description

WF0128BTYAA4DNN0 is a round IPS TFT-LCD screen with a 1.28-inch diameter display with resolution 240×240 pixels. This round TFT display comprises an IPS TFT-LCD panel built with a GC9A01 driver IC that can communicate via SPI interface.

WF0128BTYAA4DNN0 is adopted IPS panel, which has the advantage of higher contrast, true black background when the display or pixel is off and wider viewing angle of Left:80 / Right:80 / Up:80 / Down:80 degree (typical), contrast ratio 1,000:1 (typical value), brightness 400 nits (typical value), anti-glare surface panel. If customers require Capacitive Touch Panel, please choose model No. WF0128BTYAA4DNF10.

The power supply voltage of LCM is from 2.7V to 3.3V, the typical value of 2.8V. It can be operating at temperatures from -20℃ to+ 70℃ and storage temperatures from -30℃ to +80℃. The display modules are suited for compact devices like smart gauges, wearable devices, and meter applications. They are also ideal for home automation products, white products, and video systems.

Round Display

Drawing

Specifications

Interface

LCM PIN Definition

Pin	Symbol	Function
1-6	NC	No connection
7	VLED+	Backlit positive
8	VLED-	Backlit negative
9	GND	Ground
10	CS	Chip select signal
11	SCL	Serial clock
12	SDA	Serial data signal
13	RS	Register select signal
14	TE	TE signal
15	RESET	LCD RESET Signal
16	VCI3.3V	LCD Power supply
17	NC	No connection
18	GND	Ground

General Specifications

Item	Dimension	Unit
Size	1.28	inch
Pixel Number	240 × RGB × 240 (TFT)	pixel
Module dimension	35.60 × 37.74 × 1.56	mm
Active Area	32.40 × 32.40	mm
Pixel Pitch	0.043 × 0.135	mm
LCD type	TFT, Normally Black, Transmissive
Viewing Angle	80/80/80/80
TFT Interface	SPI
Backlight Type	LED, Normally White
Driver IC	GC9A01
Touch Panel	Without Touch Panel
Surface	Anti-Glare

Absolute Maximum Ratings

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

Electrical Characteristics

Item	Symbol	Conditions	Standard Value			Unit
Item	Symbol	Conditions	Min	Typ	Max	Unit
Power Supply Voltage for Analog	VCI	Ta= +25℃	2.7	2.8	3.3	V
Input High Voltage for LCD	VIH	–	0.8Iovcc	–	Iovcc	V
Input Low Voltage for LCD	VIL	–	Vss	–	0.2 Iovcc	V
Output High Voltage for LCD	VOH	–	0.8Iovcc	–	Iovcc	V
Output Low Voltage for LCD	VOL	–	Vss	–	0.2 Iovcc	V