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License: MIT License
Arduino example demonstrating initialization and use of the SAMD51 True Random Number Generator peripheral
License: MIT License
I believe that the code is more complicated than it needs to be. You don't need to actually enable the interrupts to use the TRNG - you can just poll the flag without using an ISR. See https://forums.adafruit.com/viewtopic.php?f=62&t=142811&p=705696
You'd use the interrupt if you were trying to collect a queue of random bits in the "background", I guess. (Every 84 clocks is relatively inconvenient timing - slower than you'd like it to be for a fully polled routine, but faster than you'd want to continuously interrupt.)
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