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ANALOG SIGNAL

Rodrigo Chacon

I can used the analog/digital conversor with signals negatives and positive (e.g. signal sin) in the mM-509. This is have the register of 8051.

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  • 0

    Is your mM-509 made by Phytec?
    Its from Phytec then the input voltage range the same as for the C509
    Controller from Infineon.

    Vinmin = Vagnd
    Vinmax = Varef

    4V <= Varef <= Vcc + 0.1V and
    Vss - 0.1V <= Vagnd <= Vss + 0.2V

    So you can not use it for negative input voltages without any additional extern circuits!

    Andreas Haack

Reply
  • 0

    Is your mM-509 made by Phytec?
    Its from Phytec then the input voltage range the same as for the C509
    Controller from Infineon.

    Vinmin = Vagnd
    Vinmax = Varef

    4V <= Varef <= Vcc + 0.1V and
    Vss - 0.1V <= Vagnd <= Vss + 0.2V

    So you can not use it for negative input voltages without any additional extern circuits!

    Andreas Haack

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