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7.0inch RGB Display: Difference between revisions

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[[File:xxx|650px]]
[[File:xxx|650px]]


:①--Capacitive touch screen circuit
:①--DITHB selection circuit
:②--Resistance touch screen circuit
:②--U/D selection circuit
:③--Disp resistance
:③--L/R selection circuit
:④--P2 interface (compatible with atomic RGB interface)  
:④--Screen resolution selection circuit
:⑤--P3 interface (compatible with wildfire RGB interface)
:⑤--P2 interface (compatible with atomic RGB interface)
:⑥--P3 interface (compatible with wildfire RGB interface)
'''1. Switch touch screen'''


:If you choose to connect the capacitive touch screen, please weld the capacitor touch screen circuit;
'''1. Screen internal Dithering display function settings'''
:Select the connection resistance touch screen, please weld the resistance touch screen circuit;
:Weld the 0 position resistance of DITHB and disconnect the 1 position resistance to enable the internal Dithering display function of the display panel;
:If you often need to switch the touch screen, after welding other circuits, only switch the drain
:Weld the 1 position resistance of DITHB, disconnect the 0 position resistance, and turn off the internal Dithering display function of the screen;
:resistance in the dotted line box;
:Default welding 0 position resistance, disconnect 1 position resistance


'''2. Precautions for disp resistance welding'''
'''2. Screen display up and down flip settings'''
:Weld the resistance at position 0 of U / D, disconnect the resistance at position 1, and the screen will turn down;
:Weld the resistance at position 1 of U / D, disconnect the resistance at position 0, and the screen will turn upward;
:Default welding 0 position resistance, disconnect 1 position resistance


:When connecting the wildfire development board for use, the disp resistance must be removed, otherwise
'''3. Screen display left and right flip settings'''
:the screen will not display after the development board is reset;
:weld the resistance at position 0 of L / R, disconnect the resistance at position 1, and the screen will turn to the left;
:When connecting atomic development board, f407 minimum system board or esp32 development board, disp
:Weld the resistance at position 1 of L / R, disconnect the resistance at position 0, and the screen will turn right;
:resistance must be welded, otherwise the screen will not be displayed.
:Default welding 1 position resistance, disconnect 0 position resistance


'''3. P2 and P3 interface pins are described as follows:'''
'''4. Screen resolution selection'''
:As shown in the screen resolution selection circuit, the module supports screen switching of 800x480 and 1024x600 resolutions.
:Weld M0 resistance to GND, M1 resistance to VCC, select 1024x600 resolution;
:Weld M0 resistance to VCC, M1 resistance to GND, and select 800x480 resolution;


'''5. P2 and P3 interface pins are described as follows:'''
*'''P2 interface (compatible with atomic RGB interface) pin description'''
*'''P2 interface (compatible with atomic RGB interface) pin description'''
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*'''P3 interface (compatible with wildfire RGB interface) pin description'''
*'''P3 interface (compatible with wildfire RGB interface) pin description'''
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Revision as of 18:15, 3 December 2020

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Product Picture

Product Description

  • 7.0-inch color screen, support 24BIT RGB 16.7M color display, display rich colors
  • Support 800x480 and 1024x600 resolution screen switching, 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
  • Use capacitive touch screen to support 5 touch points
  • Support external adapter board, can be directly inserted into esp32 and STM32 development board
  • Support PWM backlight adjustment
  • Provides a rich sample program for STM32 and C51 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 800x480:MRG7101(no touch), MRG7111(have touch)

1024x600:MRG7102(no touch),MRG7122(have touch)

Screen Size  7.0(inch)
Type TFT
Driver IC None(It can be connected with ss1963 adapter board)
Resolution 800*480 or 1024x600 (Pixel)
Module Interface 24Bit RGB parallel interface
Touch Screen Type Capacitive touch screen
Touch IC FT5426
Active Area  800x480: 153.84x85.63(mm)

1024x600: 154.21x85.92(mm)

Module PCB Size 164.90x124.27(mm)
Operating Temperature -10℃~60℃
Storage Temperature -20℃~70℃
Input Voltage 5V
IO Voltage 3.3V
Power Consumption 800x480: 67mA(The backlight is off), 467mA(The backlight is the brightest)

1024x600: 104mA(The backlight is off), 310mA(The backlight is the brightest)

Rough Weight(Net weight) 236(g)

Interface Definition

File:Xxx

①--DITHB selection circuit
②--U/D selection circuit
③--L/R selection circuit
④--Screen resolution selection circuit
⑤--P2 interface (compatible with atomic RGB interface)
⑥--P3 interface (compatible with wildfire RGB interface)

1. Screen internal Dithering display function settings

Weld the 0 position resistance of DITHB and disconnect the 1 position resistance to enable the internal Dithering display function of the display panel;
Weld the 1 position resistance of DITHB, disconnect the 0 position resistance, and turn off the internal Dithering display function of the screen;
Default welding 0 position resistance, disconnect 1 position resistance

2. Screen display up and down flip settings

Weld the resistance at position 0 of U / D, disconnect the resistance at position 1, and the screen will turn down;
Weld the resistance at position 1 of U / D, disconnect the resistance at position 0, and the screen will turn upward;
Default welding 0 position resistance, disconnect 1 position resistance

3. Screen display left and right flip settings

weld the resistance at position 0 of L / R, disconnect the resistance at position 1, and the screen will turn to the left;
Weld the resistance at position 1 of L / R, disconnect the resistance at position 0, and the screen will turn right;
Default welding 1 position resistance, disconnect 0 position resistance

4. Screen resolution selection

As shown in the screen resolution selection circuit, the module supports screen switching of 800x480 and 1024x600 resolutions.
Weld M0 resistance to GND, M1 resistance to VCC, select 1024x600 resolution;
Weld M0 resistance to VCC, M1 resistance to GND, and select 800x480 resolution;

5. 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 HSYNC Horizontal synchronous signal control pin
32 VSYNC Vertical 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 TP_SCL IIC bus clock control pin of capacitive touch screen
2 TP_SDA Data pin of IIC bus of capacitance touch screen
3 TP_PEN Touch screen interrupt control pin (low level when touch is generated)
4 TP_RST Capacitor touch screen reset pin(enable at low level)
5 GND power ground pin
6 BL LCD backlight control pin
7 DISP LCD display enable pin (enable at high level)
8 DE Data enable signal control pin
9 HSYNC Horizontal synchronous signal control pin
10 VSYNC Vertical synchronous signal control pin
11 PCLK Pixel clock control pin
12~19 B7 ~ B0 8-bit BLUE data pin
20~27 G7 ~ G0 8-bit GREEN data pin
28~35 R7 ~ R0 8-bit RED data pin
36 GND power ground pin
37 VCC3.3 Power input pin（connect to 3.3V）
38 VCC3.3 Power input pin（connect to 3.3V）
39 VCC5 Power input pin（connect to 5V）
40 VCC5 Power input pin（connect to 5V）

How to connect the development board

Program Download

Product Documentation

Reference Materials

Common Software

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