A/D Conversion Clock Select bits confussion ..

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  1. - 20th July 2015, 00:49 #5
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    aratti
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    Default Re: A/D Conversion Clock Select bits confussion ..

    32 MHz is a too high frequency to obtain a good ADC reading. The minimum TAD is 1.6 us and If you set fosc/64 you will get a TAD of 2 us and you are barely inside the correct timing. Since you will be in the low end side as far as the TAD value is concerned. Dropping your fosc to 16 MHz with the same setting you will have a TAD of 4 us which is much better than 2 us.

    Cheers
    Al.
    Last edited by aratti; - 20th July 2015 at 00:58.
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