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Member's Forum Question of the Month: What is the most important element when choosing a microcontroller to be used in a project?
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  • Replies 23 replies
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  • ram
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  • microcontroller
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Question of the Month: What is the most important element when choosing a microcontroller to be used in a project?

dychen
dychen over 2 years ago

e14 Question of the Month

We're interested in finding out what considerations are most important to you when choosing a microcontroller. Take the poll and let us know, and please tell us why in the Comments section below!

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Top Replies

  • dougw
    dougw over 2 years ago +3
    It is essential that the features match the requirements. In the case that multiple microcontrollers include enough features to solve the problem, other criteria come into play. The primary overall criterion…
  • dougw
    dougw over 2 years ago in reply to michaelkellett +3
    Availability and what you have in the cupboard definitely can dominate the decision.
  • Gough Lui
    Gough Lui over 2 years ago +2
    For our most recent project, conceived in the middle of a chip shortage - it was availability that was the primary element. If you can't buy it, especially for a project to be developed within a month…
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  • baldengineer
    baldengineer over 2 years ago

    As others have said, the first level requirement is that its capabilities match the application.

    However, most times, there are going to be multiple options, so that is rarely the limiting criteria.

    That said, cost is probably going to be the next level consideration. And that cost has to include development time. In some cases, going with a micro that you know better but has a higher per-part cost might make more sense than just pushing the BOM to the bottom. (On the other hand, on a very high volume project, the additional dev time it takes to learn a new platform might be worth it.)

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  • baldengineer
    baldengineer over 2 years ago

    As others have said, the first level requirement is that its capabilities match the application.

    However, most times, there are going to be multiple options, so that is rarely the limiting criteria.

    That said, cost is probably going to be the next level consideration. And that cost has to include development time. In some cases, going with a micro that you know better but has a higher per-part cost might make more sense than just pushing the BOM to the bottom. (On the other hand, on a very high volume project, the additional dev time it takes to learn a new platform might be worth it.)

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