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Regarding LCD interface..

challu
Prodigy 20 points

i got my C2000 controlCARD very recently.I am using  this for interfacing graphic LCD.can i directly access GPIO pins as data pins for LCD or do i need to use buffer in between them.I am programming this through CCSV.4.

is there any sample code for Interfacing ? pls gimme some suggestions for interfacing

  • Genius 5170 points

    It all depends on the type of your LCD... you will need to check LCD specification and design the interface accordingly. You will also need to select an appropriate device offering suitable interface for the LCD. If it is a LCD and user interface type of application then check out other TI device families.

  • in reply to Arefeen
    TI__Guru** 119680 points

    Arefeen is correct. Some LCDs just need simple SPI data, some need parallel data loaded in.

    I know one customer is using Delfino and the DMA feature to update frames on a small portable LCD application.  Works really well!

     

  • in reply to ChrisClearman
    Prodigy 20 points

    Thanx for reply,I am using F28027 and want to send data through GPIO pins 0-7,there my doubt is can we send data through GPIO and which registers i want to use either GPXDAT or GPXSET registers.here i want to interface to graphic LCD.

  • in reply to ChrisClearman
    Genius 5170 points

    All LCD interface has some sort of timing specification and also may need other I/O lines to activate, refresh etc. You sould start with your selected LCD  datasheet and then match with the available I/O of your controller.