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Tianma RGB Display Adapter Board

 
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Overview

Aim of this article is to give few display examples to the developer working on Toradex module.

Toradex module provides LCD interface (18/24 bit) which can be used to connect most of the RGB LCDs available in the market. On Apalis/Colibri Evaluation board or Iris/Ixora/Viola carrier board, Unified Display Interface is provided to connect RGB LCD from EDT. EDT displays are available on our webshop.

In order to connect other manufacturers RGB LCDs, following things need to done:

  • Proper pin mapping of RGB signals.
  • Proper pin mapping of touch signals.
  • Back-light LED driver circuit with back-light on/off/dimming(PWM) feature.
  • Power management chip for different voltage generation for LCD.

NOTE: Tianma Display Adapter Board design is just an example, not fully optimized for production. Toradex do not manufacture these boards, but we have given all design data.

Tianma LCDs under test using Adapter Board



S.No Part no. Size Resolution Interface Touch Interface adapter board
1 TM035KBH02 3.5" 320x240 24 Bit RGB 4W R Touch SCH | Altium project | Registry settings
2 TM070RBH10 7.0" 800x480 24 Bit RGB 4W R Touch SCH | Altium project | Registry settings

Other displays compatible with Tianma 7" Display adapter

S.No Part no. Size Resolution Interface Touch Registry
ZETTLER DISPLAYS ATM0700D6C 7.0 800x480 24 Bit RGB Yes Registry settings
CHIME INNOLUX AT070TN94 7.0 800x480 24 Bit RGB Yes Registry settings
Displaytech DT070ATFT 7.0 800x480 24 Bit RGB No Registry settings
Displaytech DT070ATFT-TS 7.0 800x480 24 Bit RGB Yes Registry settings
East Rising ER-TFT080-1 8.0" 800x480 24 Bit RGB 4W R Touch Registry settings
East Rising ER-TFT090-1 9.0" 800x480 24 Bit RGB 4W R Touch Registry settings
East Rising ER-TFT101-1 10.1" 1024x600 24 Bit RGB 4W R Touch Registry settings

Note:

  • East Rising 8/9/10.1 inches display do not have backlight coming on 50 pin connector so separate backlight connection is required.