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I have a MAX 10 design (part: 10M08SAM15317G) in which I'm attempting to use the MAX 10 ADC Hard IP Block to capture signals on the dedicated Analog Input (Pin ANAIN[1]) while preserving the the dual purpose analog inputs (ADC[1]IN[1..8]) for digital IO.
I have configured the MAX 10 ADC Hard IP Block to only use CH0 (ANAIN[1]) while de-selecting CH1-8 and TSD inputs. However, during placement I still get conflicts on all of the dual purpose analog inputs like so:
Info (176311): Pin lh_data_io[0] is assigned to pin location Pin_G5 (IOPAD_X10_Y21_N21)
Info (176311): Pin ~ALTERA_ADC1IN4~ is assigned to pin location Pin_G5 (IOPAD_X10_Y21_N21)
Is it possible to use the MAX 10 ADC Hard IP Block to capture analog signals from ANAIN[1] while preserving the dual purpose analog inputs for digital signals? If so, what configuration is required to do this?
Thank you.
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No, you cannot use the rest of the dual-purpose pins as GPIO pins if you are using the ADC, despite you are just using the ANAIN pins.
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No, you cannot use the rest of the dual-purpose pins as GPIO pins if you are using the ADC, despite you are just using the ANAIN pins.
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OK, that is definitive.
Can you point me to the documentation where this is specified? If not, I would suggest that the documentation is updated to make this clear if the ADC Hard block is used, all digital IO, including the MUXed, non-dedicated inputs are not available for digital IO.
Thank you for your help!
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