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ADuCM350 FAQ Random Number Generator

1. How do I generate sufficient entropy with the RAND engine?

>> The length register specifies the number of samples for which the RNG should run to accumulate sufficient entropy. Any number of iterations can be    run. As an example, 112 bits of entropy can be obtained by running the RNG seven times.

2. How do I verify that the entropy of the engine is sufficient?

>> The jitter of the sampling clocks is the source of entropy for the random number generator.For accurate jitter measurements, the standard deviation       of OSCNT should be at least one. If it is less than one, then SAMPCNT could be increased. Please refer to the HRM for more details on the       calculation part.

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