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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

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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  • 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 for me is which microcontroller requires the least effort or will take the least time to implement. Although cost is sometimes a significant factor.

  • in reply to dougw
    dougw said:
    It is essential that the features match the requirements.

    These were the very same words that sprung to mind. E.g. memory size, flash size, clock speed, ADC conversion speed, power requirements.

    Understanding the likely constraints are important too. E.g. How many SPI, I2C, UART, GPIO, ADC pins will be needed. Then built-in peripherals such as I2S, DAC, CAN, Ethernet, etc. also useful to know, as these will depend on requirements of project.

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  • in reply to dougw
    dougw said:
    It is essential that the features match the requirements.

    These were the very same words that sprung to mind. E.g. memory size, flash size, clock speed, ADC conversion speed, power requirements.

    Understanding the likely constraints are important too. E.g. How many SPI, I2C, UART, GPIO, ADC pins will be needed. Then built-in peripherals such as I2S, DAC, CAN, Ethernet, etc. also useful to know, as these will depend on requirements of project.

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