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Topic: What is the resolution of micros() on SAMD 21 boards? (Read 654 times) previous topic - next topic


In the reference page here…
it says that the resolution of the "micros()" function on 16 MHz AVR boards is 4 µs that is all returns are multiples of 4. And then on 8 MHz boards the resolution is 8 µs.

What is the resolution on SAMD 21 systems such as Arduino Zero?


Hi cyborg5,

The SAMD21's micros() function is based on the microcontroller's system ticker that has a resolution of 1µs.

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