TFT Square LCD Display, 240×240, IPS, 1.54″

Model No. WF0154ATAAA4DSN0

Square TFT Display
1.54 inch TFT LCD
Resolution : 240×240 dots
View Direction :80/80/80/80 (IPS)
Interface :SPI
Driver IC : ST7789T3-G4-1
Control-Board : No
Brightness (cd/m²): 380
Frame Through Hole : No
Touch Screen : Without Touch Panel

Description

WF0154ATAAA4DSN0 is a TFT-LCD with a 1.54-inch diagonal square screen and a resolution of 240×240 pixels. This square LCD screen adopts an IPS panel, which has the advantages of higher contrast, a full black background when the display or pixel is off, and wider viewing angles of Left:80 / Right:80 / Up:80 / Down:80 degrees (typical), 900:1 contrast ratio (typical value), 380 nits brightness (typical value), and an anti-glare glass surface.

This module is built-in with ST7789T3-G4-1 driver IC that can communicate via SPI interfaces. The supply voltage of analog is from 2.4V to 3.3V, with a typical value of 2.8V. It can operate at the temperature range from -10℃ to +60℃, and its storage temperature range is from -20℃ to +70℃. This 1.54-inch display module is suited for wireless microphone system, coffee scale, personal, and pulse oximeters.

Square LCD Screen, Square Screen TFT, ST7789T3-G4-1 - WF0154ATAAA4DSN0

Drawing

Specifications

Interface

LCM PIN Definition

Pin No.	Symbol	Function
1	GND	Ground.
2	IOVCC	Power Supply for I/O System
3	CS	Chip selection pin
4	RESET	This signal will reset the device
5	RS	Display data/command selection pin in 4-line serial interface
6	GND	Ground.
7	SCL	This pin is used to be serial interface clock
8	SDA	SPI interface input/output pin
9	GND	Ground.
10	VDD	Power Supply for Analog
11	FMARK	Tearing effect signal is used to synchronize MCU to frame memory writing.
12	VLED-	Power Supply For LED Backlight Cathode Input
13	VLED-	Power Supply For LED Backlight Cathode Input.
14	VLED+	Power Supply For LED Backlight Anode Input.
15	VLED+	Power Supply For LED Backlight Anode Input.

General Specifications

Item	Dimension	Unit
Size	1.54	inch
Dot Matrix	240 × RGB × 240	dots
Module dimension	31.52 × 33.72 × 1.94	mm
Active area	27.72 × 27.72	mm
Pixel pitch	0.1155 × 0.1155	mm
LCD type	TFT, Normally Black, Transmissive
Viewing Angle	80/80/80/80
Backlight Type	LED, Normally White
Drive IC	ST7789T3-G4-1 or Equivalent
TFT Interface	SPI
Touch Panel	Without Touch Panel
Surface	Anti-Glare

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-10	－	+60	℃
Storage Temperature	TST	-20	－	+70	℃

Electrical Characteristics

Parameter	Symbol	Value			Unit
Parameter	Symbol	Min.	Typ.	Max.	Unit
Analog Supply Voltage	VDD	2.4	2.8	3.3	V
Power Supply for I/O System	IOVCC	1.65	1.8	3.3	V
Input High Voltage	VIH	0.7 IOVCC	–	IOVCC	V
Input Low Voltage	VIL	GND	–	0.3 IOVCC	mA
Output High Voltage	VoH	0.8 IOVCC	–	IOVCC	mA
Output Low Voltage	VoL	GND	–	0.2 IOVCC	W
(Panel+LSI) Power Consumption	Black Mode	–	6.0	–	mA
(Panel+LSI) Power Consumption	Sleeping Mode	–	0.015	–	mA

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