Question of the Month: What is the most important element when choosing a microcontroller to be used in a project?

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!

Top Replies

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 over 2 years ago in reply to michaelkellett +3

Availability and what you have in the cupboard definitely can dominate the decision.
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…

misaz over 2 years ago in reply to DAB

Good to know. I will think about it when I will buy my next devkit for less than 10 USD.
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michaelkellett over 2 years ago in reply to DAB

All too true.

I remember when we did work with Motorola 6809 and 68HC11, there was (in 1980 or so money) a Motorola Exorset dev system and a Pentica real time emulator at well over £7k the pair and the IAR C compiler (about £1k).

Others were using HP development tools at several times that price but we weren'y in that league.

Now you can buy an ST debug interface (STLink) for ARM processors for about £20 - and it works better.

Good software is still pricey, and still better in many ways than free stuff.

MK
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Riya_101 over 2 years ago

Peripherals integrated onto microcontroller is the most important!!
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