In message <4dff5f2f.7050...@hvsistemas.es>, Javier Herrero writes:

>No, it is not the same. If you just use the MSB of the accumulator, it =
>has a lot of period jitter. It can be unnoticeable if the ration between =
>reference frequency and output frequency is very high.

In practice, this jitter is a lot lower than you get from
squaring the sinewave.

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