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Samples of stellaris cortex M4

Thomas Liennard
Prodigy 50 points


Hi,

Has any of you managed to obtain samples of the new cortex M4 stellaris series? I tried with mouser but my order was canceled after two weeks of waiting. I need some lm4f231h5qr for my robot project, and if I can't obtain them I will be forced to redesign my board to use another micro.

  • 0
    Guru 47900 points

    Availability of such new parts always a potential issue - 64 pin device you've chosen has not made it to any Eval boards - to my knowledge.  The larger, sister device - LM4F232H5QR - is packaged on TI's M4 Eval board.  (and appears available in that form)   While not your preferred solution - you could use the unmodified M4 Eval board or - should that be too large physically - you could reflow that larger MCU and apply it to your redesigned robot board.

  • 0
    Intellectual 400 points

    Thomas, the LM4F231H5QR is scheduled for full production release at the end of May. Samples may be available at the present time (as the LX4F231H5QR), but you will need to complete a waiver that acknowledges you are accepting the part as a device released in samples only at this time. I would suggest that you contact Mouser again (or a different distributor, such as Arrow or Digi-Key) and inquire about their availability and lead time. You might also contact your local TI sales office and inquire about pre-ordering the production release version. Good luck!