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trouble with stm32f334r8 ADC which goes in to the unknown state in very weak noisy environment.

jkama
Associate

I am using stm32f334 in a power conversion project.

I have configured its ADC in  independent mode and transfer its data by two channel DMA.

some times in a even very weak noisy environment the ADC goes into the unknown state. I checked all of its register in that state but every thing was ok. Its DMA was working correctly in that state. I checked the statues of leg register but that register had not changed. it seems that source of analog input of ADC has changed.

I think that with regarding to above condition the stm32f334r8 in not suitable for power conversion at all.

do you know how I can resolve that problem?

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