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TMS320C6A8168 EVM : LCD display

Mahesh Shinde
Intellectual 270 points

Hello,

EVM package contains the 7" LCD with touch screen. What is/are the interface/s used to connect LCD and Touch screen to EVM board?

Regards,

Mahesh Shinde

 

  • 0
    TI__Mastermind 25055 points

    Hello Mahesh,

    The current SDK does not support the touch screen capability of the monitor, so you need to connect the LCD using a standard HDMI cable, and connect a separate USB mouse to the EVM USB port.

    Regards,
    Marc

  • 0 in reply to MarcPyne
    Intellectual 270 points

    Hello Marc,

    I am bit confused. Does SDK support 7" LCD that come with the EVM package? What type of interface is used for the connecting LCD (available with the EVM package) to the processor? 

    In our design we will use indepedent resistive touch screen controller which will be interfaced to processor C6A8168 via SPI.

    Regards,

    Mahesh Shinde

     

  • 0 in reply to Mahesh Shinde
    TI__Mastermind 25055 points

    Mahesh,

    Sorry for the confusion.  Currently the 7" LCD is only used as an HDMI monitor, so it is only connected to the EVM through an HDMI cable to the HDMI connector on the EVM.  The touch screen capability of the monitor is not used.  The USB mouse can be connected to the EVM if you want to select the various demos that are available in the matrix gui demo of the SDK.

    Regards,
    Marc

  • 0 in reply to MarcPyne
    Intellectual 270 points

    Thanks Marc,

    Could you provide me part number of the LCD available with EVM? 

    On the touch screen interface: Could you let me know the available interface on the EVM board for connecting the touch screen provided with EVM?

    I believe the touch screen provided is 4 wire resistive type, is this correct?

     

    Regards,

    Mahesh Shinde

  • 0 in reply to Mahesh Shinde
    TI__Mastermind 25055 points

    Mahesh,

    I don't have one of these monitors, so I don't know the part number or any deatils about it.  The information might be on the Spectrum Digital website, or you could contact them for this information.

    The ONLY connection between the LCD and the EVM is the HDMI cable.

    Regards,
    Marc