1.54" LCD Display, Square IPS TFT 240x240 with High Brightness

Model No. WF0154ASAAA4DSN0

►Square TFT Display
►1.54 inch TFT LCD
►Resolution : 240x240 dots
►View Direction :80/80/80/80 (IPS)
►Interface :SPI
►Driver IC : ST7789T3-G4-1
►Control-Board : No
►Brightness (cd/m²): 850
►Frame Through Hole : No
►Touch Screen : Without Touch Panel


WF0154ASAAA4DSN0 is a 1.54-inch square IPS TFT LCD with a resolution of 240x240 pixels and an IPS panel. This square IPS TFT has the advantages of higher contrast, a full black background when the display or pixel is off, wider viewing angles of Left:80 / Right:80 / Up:80 / Down:80 degrees (typical), a high brightness of 850 nits (typical value), 900:1 contrast ratio (typical value), an anti-glare glass surface.

This 1.54" display is built-in with ST7789T3-G4-1 driver IC that can communicate via SPI interfaces. The supply voltage of the 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 WINSTAR high-brightness 1.54-inch LCD is suited for wireless microphone system, coffee scale, personal, and pulse oximeters.

1.54 Display,1.54 LCD, Square IPS TFT - WF0154ASAAA4DSN0


Square IPS Display 1.54 TFT LCD Display, 240x240  with High Brightness - WF0154ASAAA4DSN0



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
Min. Typ. Max.
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
Sleeping Mode - 0.015 - mA

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