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AMC7832 - GGPIO[0-3] terminals


Is there any external part or circuit that can be used so that the dual functionality of GPIO[0 - 3] Pins can be maintained?

Not in the same time but in different time intervals. For example use GPIO function during working hours and outside working hours use the ALARMIN function of GPIO0.

Thank you in advance for your support.

  • Bogdan,

    Please view page 46 of the datasheet.  The GPIO configuration is set by writing to address 0x12 of the device.  The user can switch from one function to the other using this register setting.  Please verify that nothing is sourced to the pin if the pins is configured as an output.