adc channel connectivity

[Piyoosh]

I am using ADC channel with DMA to get linear hall sensor data ,its giving bur after some time adc pin not working.

but same code working with another board, what can be problem.

[Lohi]

wellll...if ADC is not working on other input pins, but digital i/o works, it looks like you've let the magical smoke escape from the ADC, or the ADC mix... dead ADC, change ic, or board.

[Piyoosh]

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@SofLit wrote:

Hello,

I think you marked my solution by mistake I unmark it then.

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the sensor is working properly in fact it`s working well with another MCU.

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What do you mean by another MCU? is it a second board with the same schematics? or a completely different board?

What about VDDA/VSSA pin connections?

Are you sure about the voltage level at VDDA?

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yes,Second board is on same schematic,and VDDA voltage is  also 3.0 volt.

[SofLit]

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yes,Second board is on same schematic,and VDDA voltage is  also 3.0 volt.

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In that case you have an issue with that specific board!