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TI Home » TI E2E Community » Support Forums » ARM® Processors » Sitara™ ARM® » AM3x Sitara ARM Processors Forum » AM335x with LCD and Flash?
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AM335x with LCD and Flash?

This question is not answered
Ben Henricksen
Posted by Ben Henricksen
on Dec 15 2011 10:21 AM
Intellectual560 points
In the datasheet it seems that the LCD driver pins conflict with those of the GPMC (even on a ZCZ device) as so ruling out the use of parallel flash with an LCD device. Is this true?
The link  
http://ap-fpdsp-swapps.dal.design.ti.com/index.php/AM33x_Collaterals#Tools  
is failing for me at the moment so I can't use that to check this.
Thanks,
  Ben
FLASH LCD AM335x
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  • peaves
    Posted by peaves
    on Feb 24 2012 07:29 AM
    Genius12995 points

    At this time, TI does not plan to change the LCD color assigments to LCD data terminals in future versions of AM335x.

    Regards,
    Paul

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  • Christoph Apel
    Posted by Christoph Apel
    on Apr 17 2012 08:32 AM
    Prodigy130 points

    Hi Paul, I was following that conversation but have a further question:

    comparing the EVM schematics and the silicon errata it seems that on the EVM connections between AM335X and LCD follow the scheme defined for RGB565 mode. LCD_Data_15 is R7.

    But the LCD on EVM is connected via 24 data pins with LCD_Data_23 being R0

    The connection between AM335X and HDMI transmitter on EVM seems to follow the scheme defined for RGB888 mode.

    Now, we don´t understand how the EVM can work in RGB888 mode. There is a crossover option on the board but it is not stuffed on the one we bought.

    As our HW should support both options please let me know if the EVM only supports RGB565 and the crossover resistor arrays would need to be changed to support RGB888 or if we are somehow wrong.

    Thanks,

    Christoph

    AM335x EVM
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