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3.5inch IPS SPI Module ST7796

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Product Picture

Product Description

  • 3.5 inch color screen, supporting 16BIT RGB 65K color display, with rich display colors
  • Supports a maximum resolution of 320x480, with delicate display effects
  • The display screen adopts a 4-wire SPI serial bus to save I/O pins
  • Optional capacitive touch function to increase interactivity
  • On board level conversion IC, compatible with 5V and 3.3V MCU
  • Equipped with both pin interface and FPC cable interface
  • Equipped with micro SD card slot for convenient function expansion
  • Provide C51,CH32,ESP32,STM32,UNO and Mega2560 rich sample programs for easy learning
  • Provide low-level driver technical support
  • Military level production standards, long-term stable work

Product Parameters

Name Parameter
LCD Parameters
Screen Size 3.5 inch
Screen Type IPS
Resolution 320xRGBx480 (pixels)
Active Area (AA area) 48.96(W)x73.44(H)(mm)
Number of Colors(Max) 16.7M
Driver IC ST7796U
Display Interface 4-Line SPI
Pixel Size 0.153(H)x0.153(mm)
View Angle ALL 0’CLOCK
Brightness(TYP) 300(cd/m2)
Backlight Type White LED*6
Operation Temperature -10~50(℃)
Storage Temperature -20~60(℃)
Touch Screen Parameters
Touch Active Area 3.5 inch
Touch Screen Type Capacitive Touch Screen
Touch Screen Resolution 320x480(pixels)
Driver IC FT6336U
Touch Screen Visual Area 49.56(w)x74.04(H)(mm)
Communication Interface IIC
Material G+F
Operation Temperature -20~70(℃)
Storage Temperature -30~80(℃)
Size Parameters
TFT Outline Size 55.50±0.2(W)x84.96±0.2(H)x2.5±0.1(D)(mm)(Excluding cables and adhesive backing)
Touch Screen Outline Size 55.50±0.2(W)x84.96±0.2(H)x0.8 (D)(mm)(Excluding cables and adhesive backing)
Module Outline Size Have Touch Screen:55.5(W)x98.0(H)x12.98(D)(mm)(including Pin Header)

NO Touch Screen:55.5(W)x98.0(H)x14.28(D)(mm)(including Pin Header)

Electrical Parameters
Working Voltage 5.0 V
Backlight Current 95 mA
Power 0.5 W
Other Parameters
SKU NO Touch Screen : MSP3525

Have Touch Screen : MSP3526

Interface 14 Pin Header and FPC
Weight(including package) TBD

Interface Definition

Number Pin Label Description
1 VCC LCD power positive
2 GND LCD Power ground
3 LCD_CS LCD selection control signal, Low level active
4 LCD_RST LCD reset control signal, Low level reset
5 LCD_RS LCD command / data selection control signal

High level: data, low level: command

6 SDI(MOSI) SPI bus write data signal(SD card and LCD screen used together)
7 SCK SPI bus clock signal(SD card and LCD screen used together)
8 LED LCD backlight control signal (If you need control, please connect the pins. If you don't need control, you can skip it)
9 SDO(MISO) SPI bus read data signal (SD card and LCD screen used together)
10 CTP_SCL Capacitive touch screen IIC bus clock signal (modules without touch screens do not need to be connected)
11 CTP_RST Capacitor touch screen reset control signal, low-level reset (modules without touch screens do not need to be connected)
12 CTP_SDA Capacitive touch screen IIC bus data signal (modules without touch screens do not need to be connected)
13 CTP_INT Capacitor touch screen IIC bus touch interrupt signal, when generating touch, input low level to the main control (modules without touch screens do not need to be connected)
14 SD_CS SD card selection control signal, low level active (without SD card function, can be disconnected)

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