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ralf23
Visitor II
October 20, 2005
Question

STR71x ADC Resolution/Accuracy

  • October 20, 2005
  • 2 replies
  • 879 views
Posted on October 20, 2005 at 08:16

STR71x ADC Resolution/Accuracy

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    2 replies

    R
    ralf23Author
    Visitor II
    October 20, 2005
    Posted on October 20, 2005 at 07:51

    Hello Forum,

    Revision 6 of the STR71xF Datasheet specifies the ADC with a resolution of typ. 12 bits on page 43/49.

    Revision 6 of the STR71x Microcontroller Reference Manual says in a Note on page 331/345 ''Only the 11 most significant bits out of these 16 bits (of the ADC_DAT[n] registers) are guaranteed to be accurate according to the device specification, even if all the 16 bits can be read.''

    I find this very confusing. Could you please clarify on the ADC resolution and errors ?

    Thank you very much.

    Regards

    Ralf

    H
    hichem2
    Visitor II
    October 20, 2005
    Posted on October 20, 2005 at 08:16

    Hi Vader,

    The STR71x ADC have a 12 bit of resolution, this info will be corrected in Rev 7.

    Cheers,

    Hich

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