Product Introduction
The 3.2-inch SPI TFT display is a color TFT LCD screen with a 240 x
320 dot matrix SPI interface, featuring rich color display and high
resolution, providing users with a clear visual experience.
Suitable for various application scenarios, such as industrial
equipment, handheld detection instruments, beauty devices, smart
homes, and consumer electronics.
This 3.2-inch SPI TFT SFTO320JY-7178AN module has a built-in
ST7789V driver IC; It supports a 4-wire SPI interface and has a
power supply voltage (VDD) range of 2.8V to 3.3V. It can operate at
temperatures ranging from -20 ℃ to+70 ℃, with a storage temperature
range of -30 ℃ to+80 ℃.
On the basis of this 3.2-inch SPI TFT product, Saef Technology
provide differentiated customized solutions, including but not
limited to:
Backlight customization: Adjust the type and brightness of the
backlight according to product requirements.
Interface customization: Change the structure and interface of the
LCD screen cable to adapt to specific hardware platforms.
Touch screen integration: Optional resistive or capacitive touch
screens are available to enhance user interaction experience.
Features
| Product: | 3.2" Inch TFT LCD Display |
| Model number | SFTO320JY-7178AN |
| Resolution: | 240x320 |
| Viewing Direction: | 12 O'clock |
| Interface: | 4-line SPI |
| Outline Dimension: | 54.0(W)x77.4(H)x2.4(T)(mm) |
| Active Area: | 48.60(W)x64.80 (H) (mm) |
| Pin Number: | 18 Pins |
| Connection: | FPC Plugging |
| Surface Luminance: | 350 Cd/m2 (nits) |
| LED Lifetime: | 40,000 Hours |
| Certificate: | ISO9001:2015 / ISO1400:2015 |
| Compliance: | Rohs & Reach Compliant |
Outline Drawing
Electrical Maximum Ratings
Item | Symbol | Min | Max | Unit | Note |
Supply voltage(VDDI) | V | 1.8 | 3.3 | V | - |
Supply voltage(VDD) | V | 2.8 | 3.3 | V | - |
Operating temperature | TOPR | -20 | 70 | ℃ | - |
Storage temperature | TSTR | -30 | 80 | ℃ | - |
Backlight Characteristics
Item | Symbol | Min | Typical | Max | Unit |
LED module Forward voltage | VLED | 2 ．9 | 3.1 | 3.3 | V |
LED module current | ILED | - | 90 | - | mA |
LCD Surface Luminance | LS | 330 | 350 | - | Cd/m2 |
LCM Surface brightness uniform | LD | 80 | - | - | % |
LCD power dissipation | PLCD | - | 0.32 | - | W |
Interface Pin Definition
| PIN No. | Symbol | Description |
| 1 | GND | Ground |
2 | RESET | -This signal will reset the device and it must be applied to
properly initialize the chip. -Signal is active low. |
| 3 | SCL | -This pin is used to be serial interface clock. |
4 | D/C | - Display data/command selection pin in 4-line serial interface. |
5 | CSX | -Chip selection pin, Low enable. High disable. |
6 | SDA | SPI interface input pin. -The data is latched on the rising edge of
the SCL signal. -If not used, please fix this pin at VDDI or DGND
level. |
7 | SDO | -SPI interface output pin. -The data is output on the falling edge
of the SCL signal. -If not used, let this pin open. |
| 8 | GND | Ground |
9 | VDD | Power Supply for Analog, Digital System and Booster Circuit. |
| 10 | LEDA | Anode of Backlight (2.9V-3.3V Typical:3.1V) |
| 11 | LEDK | Cathode of Backlight |
| 12 | LEDK | Cathode of Backlight |
| 13 | LEDK | Cathode of Backlight |
| 14 | LEDK | Cathode of Backlight |
| 15 | XL | Touch panel Logical foot |
| 16 | YU | Touch panel Logical foot |
| 17 | XR | Touch panel Logical foot |
| 18 | YD | Touch panel Logical foot |
Product Image
Facilities and Certifications
Contact Us
We love to hear about your projects, If you have any questions, we
can be reached at sales2@saef.com.cn
