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4.3inch RGB Display: Difference between revisions

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*'''P3 interface (compatible with wildfire RGB interface) pin description'''
*'''P3 interface (compatible with wildfire RGB interface) pin description'''


{| class="wikitable" border="1" style="width: 700px; background-color: white;"
{| class="wikitable" border="1" style="width: 700px; background-color: white;"  
|-
|-
| align="center" |Number
| align="center" |Number
Line 200: Line 200:
|-
|-
| align="center" |1
| align="center" |1
| align="center" |TP_SCL
| align="center" |VCC5
|IIC bus clock control pin of capacitive touch screen
|Power input pin（connect to 5V）
|-
|-
| align="center" |2
| align="center" |2
| align="center" |TP_SDA
| align="center" |VCC5
|Data pin of IIC bus of capacitance touch screen
|Power input pin（connect to 5V）
|-
|-
| align="center" |3
| align="center" |3
| align="center" |TP_PEN
| align="center" |VCC3.3
|Touch screen interrupt control pin (low level when touch is generated)
|Power input pin（connect to 3.3V）
|-
|-
| align="center" |4
| align="center" |4
| align="center" |TP_RST
| align="center" |VCC3.3
|Capacitor touch screen reset pin(enable at low level)
|Power input pin（connect to 3.3V）
|-
|-
| align="center" |5
| align="center" |5
Line 219: Line 219:
|power ground pin
|power ground pin
|-
|-
| align="center" |6
| align="center" |6~13
| align="center" |BL
| align="center" |R0 ~ R7
|LCD backlight control pin
|8-bit RED data pin
|-
| align="center" |14~21
| align="center" |G0 ~ G7
|8-bit GREEN data pin
|-
|-
| align="center" |7
| align="center" |22~29
| align="center" |DISP
| align="center" |B0 ~ B7
|LCD display enable pin (enable at high level)
|8-bit BLUE data pin
|-
|-
| align="center" |8
| align="center" |30
| align="center" |DE
| align="center" |PCLK
|Data enable signal control pin
|Pixel clock control pin
|-
|-
| align="center" |9
| align="center" |31
| align="center" |HSYNC
| align="center" |HSYNC
|Horizontal synchronous signal control pin
|Horizontal synchronous signal control pin
|-
|-
| align="center" |10
| align="center" |32
| align="center" |VSYNC
| align="center" |VSYNC
|Vertical synchronous signal control pin
|Vertical synchronous signal control pin
|-
|-
| align="center" |11
| align="center" |33
| align="center" |PCLK
| align="center" |DE
|Pixel clock control pin
|Data enable signal control pin
|-
|-
| align="center" |12~19
| align="center" |34
| align="center" |B7 ~ B0
| align="center" |DISP
|8-bit BLUE data pin
|LCD display enable pin (enable at high level)
|-
|-
| align="center" |20~27
| align="center" |35
| align="center" |G7 ~  G0
| align="center" |BL
|8-bit GREEN data pin
|LCD backlight control pin
|-
| align="center" |28~35
| align="center" |R7 ~  R0
|8-bit RED data pin
|-
|-
| align="center" |36
| align="center" |36
Line 260: Line 260:
|-
|-
| align="center" |37
| align="center" |37
| align="center" |VCC3.3
| align="center" |TP_RST
|Power input pin（connect to 3.3V）
|Capacitor touch screen reset pin(enable at low level)
|-
|-
| align="center" |38
| align="center" |38
| align="center" |VCC3.3
| align="center" |TP_PEN
|Power input pin（connect to 3.3V）
|Touch screen interrupt control pin (low level when touch is generated)
|-
|-
| align="center" |39
| align="center" |39
| align="center" |VCC5
| align="center" |TP_SDA
|Power input pin（connect to 5V）
|Data pin of IIC bus of capacitance touch screen
|-
|-
| align="center" |40
| align="center" |40
| align="center" |VCC5
| align="center" |TP_SCL
|Power input pin（connect to 5V）
|IIC bus clock control pin of capacitive touch screen
|-
|-
|}
|}

Revision as of 15:15, 3 July 2023

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Product Picture

Product Description

  • 4.3-inch color screen, support 24BIT RGB 16.7M color display, display rich colors
  • Support 800x480, the display effect is very clear
  • Support 24 bit RGB parallel bus transmission
  • Compatible with RGB interface connection of punctual atomic development board and wildfire development board
  • It supports the switching between capacitive touch screen and resistance touch screen, and the capacitive touch screen can support up to 5 touch points
  • Provides a rich sample program for STM32 platforms
  • Military-grade process standards, long-term stable work
  • Provide underlying driver technical support

Product Parameters

Name Parameter
Display Color RGB888 16.7M (compatible with rgb5665k) color
SKU MRG4301(no touch), MRG4311(have touch)
Screen Size  4.3(inch)
Type TFT
Driver IC None
Resolution 800*480 (Pixel)
Module Interface 24Bit RGB parallel interface
Touch Screen Type Capacitive or Resistive touch screen
Touch IC FT5426(Capacitive touch), XPT2046(Resistive touch)
Active Area  95.04x53.86(mm)
Module PCB Size 105.41x86.41(mm)
Operating Temperature -10℃~60℃
Storage Temperature -20℃~70℃
Input Voltage 5V
IO Voltage 3.3V
Power Consumption 50mA(The backlight is off), 165mA(The backlight is the brightest)
Rough Weight(Net weight) 95(g)

Interface Definition

①--Capacitive touch screen circuit
②--Resistance touch screen circuit
③--Disp resistance
④--P2 interface (compatible with atomic RGB interface)
⑤--P3 interface (compatible with wildfire RGB interface)
⑥--Module ID defines resistance (only for atomic program)

1. Switch touch screen

If you choose to connect the capacitive touch screen, please weld the capacitor touch screen circuit;
Select the connection resistance touch screen, please weld the resistance touch screen circuit;
If you often need to switch the touch screen, after welding other circuits, only switch the drain
resistance in the dotted line box;

2. Precautions for disp resistance welding

When connecting the wildfire development board for use, the disp resistance must be removed, otherwise
the screen will not display after the development board is reset;
When connected to wildfire i When using the MX6ULL ARM Linux development board, you need to remove
the DISP resistor and the three resistors in parallel, otherwise the development board will not run.
When connecting atomic development board, f407 minimum system board or esp32 development board, disp
resistance must be welded, otherwise the screen will not be displayed.

3. P2 and P3 interface pins are described as follows:

  • P2 interface (compatible with atomic RGB interface) pin description
Number Pin name Description
1 VCC5 Power input pin（connect to 5V）
2 VCC5 Power input pin（connect to 5V）
3~10 R0~R7 8-bit RED data pin
11 GND power ground pin
12~19 G0 ~ G7 8-bit GREEN data pin
20 GND power ground pin
21~28 B0 ~ B7 8-bit GREEN data pin
29 GND power ground pin
30 PCLK Pixel clock control pin
31 VSYNC Vertical synchronous signal control pin
32 HSYNC Horizontal synchronous signal control pin
33 DE Data enable signal control pin
34 BL LCD backlight control pin
35 TP_CS Capacitor touch screen reset pin (resistance touch screen chip selection pin)
36 TP_MOSI Data pin of IIC bus of capacitance touch screen (write data pin of SPI bus of resistance touch screen)
37 TP_MISO Resistance touch screen SPI bus read data pin (capacitance touch screen not used)
38 TP_CLK IIC bus clock control pin of capacitive touch screen (SPI bus clock control pin of resistance touch screen)
39 TP_PEN Touch screen interrupt control pin (low level when touch is generated)
40 RST LCD reset control pin (effective at low level)
  • P3 interface (compatible with wildfire RGB interface) pin description
Number Pin name Description
1 VCC5 Power input pin（connect to 5V）
2 VCC5 Power input pin（connect to 5V）
3 VCC3.3 Power input pin（connect to 3.3V）
4 VCC3.3 Power input pin（connect to 3.3V）
5 GND power ground pin
6~13 R0 ~ R7 8-bit RED data pin
14~21 G0 ~ G7 8-bit GREEN data pin
22~29 B0 ~ B7 8-bit BLUE data pin
30 PCLK Pixel clock control pin
31 HSYNC Horizontal synchronous signal control pin
32 VSYNC Vertical synchronous signal control pin
33 DE Data enable signal control pin
34 DISP LCD display enable pin (enable at high level)
35 BL LCD backlight control pin
36 GND power ground pin
37 TP_RST Capacitor touch screen reset pin(enable at low level)
38 TP_PEN Touch screen interrupt control pin (low level when touch is generated)
39 TP_SDA Data pin of IIC bus of capacitance touch screen
40 TP_SCL IIC bus clock control pin of capacitive touch screen

How to connect the development board






Program Download

Product Documentation

Reference Materials

Common Software

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This page was last edited on 3 July 2023, at 15:15.