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Suggestion for a beginner

Mustafa Gulec
Intellectual 540 points

I'm a beginner for arm and never used one before. But I've used other devices and not a newbie and can use c effectively and familiar with much of the concepts. I'm planning to move to arm and making a research. If it suits I'll prefer TI because of local support in my area. I have two main requirement. One is; I need a cost effective graphics solution that can support upto 640x480 pixel resolution tft @16bpp at least. Does TI have a product that has built-in graphics controller and supports external dram? I made a search but I could not be sure..

Second, I want some speed and connectivity together but it seems that cortex m4 of TI are @ 80MHz at most. Will this be changed in the near future?

Finally i want to ask about IDE. I plan to use Keil (although we probably will get a license for CCS for other project). Does CCS has an advantage when we use arm based TI devices over Keil? Can I use all the libraries, software or middleware with Keil for TI mcus?

By the way i heard that some or all cortex m3 products of TI had an issue with the number of writings to the internal flash, e.g. for more than 100 writings, TI does not guarentee the reliable operation of the mcu. Is this true and is it still the same if it is true?

Thanks for the replies, by the way may be this is a topic of another subject but I'll be appreciated your suggestions about development tools, training material or documents to quickly get it running. I'd prefer to pass basics quickly and work on real or unfamiliar stuff.

 

 

  • 0
    TI__Expert 3555 points

    Mustafa Gulec said:

    I'm a beginner for arm and never used one before. But I've used other devices and not a newbie and can use c effectively and familiar with much of the concepts. I'm planning to move to arm and making a research. If it suits I'll prefer TI because of local support in my area. I have two main requirement. One is; I need a cost effective graphics solution that can support upto 640x480 pixel resolution tft @16bpp at least. Does TI have a product that has built-in graphics controller and supports external dram? I made a search but I could not be sure..

    Hi Mustafa,

       I suggest you take a look at the following design kit which uses an external LCD controller and supports external SDRAM.   I think you will be impressed by the StellarisWare examples, driverlib, graphiclib available to you.  All of our kits support CCS as well as Keil.

    http://www.ti.com/tool/dk-lm3s9d96

    For our latest LM4F product I suggest you check out.

    http://www.ti.com/tool/ek-lm4f120xl

    For questions related to future products please contact your local TI representative. 

    - Ken 

  • 0
    Genius 5695 points

    Don't forget to look here as well:

    http://www.ti.com/ww/en/launchpad/stellaris_head.html

    There is a Graphics Plug in for the LM4F120XL. Just look at the booster paks. It also points you at the workshop.

    Don't forget the Wiki -- with links to the courses etc:

    http://processors.wiki.ti.com/index.php/Getting_Started_with_the_Stellaris_EK-LM4F120XL_LaunchPad_Workshop?DCMP=stellaris-launchpad&HQS=stellaris-launchpadtraining

    Worth the time to do the course...

  • 0 in reply to Dave Robinson
    Intellectual 540 points

    Thanks for the replies, but as long as i see none of your offerings include built-in lcd controller. New board seems interesting, it can be avaluated, I also learned from the documents that 120 MHz versions are coming. May be I can use for dsp operations and communications but low cost HMI is out of the question for now. By the way does concerto series can easily be used as a single microcontroller? I wonder the technology behind this hybrid system from the prespective of usage. Thanks.