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Harish1
Harish1
Associate III
July 26, 2021
Solved

Suspecting document mistake in STM32L475

In dual ADC mode, the bit DMAEN is invalid as the doc said but in the below screenshot it is describing that the DMACFG bit in ADCx_CCR is effective only when DMAEN = 1.

Please see the below snippets from the document.0693W00000D0eqTQAR.png 

0693W00000D0eqYQAR.png 

Need help from you whether I am right or not? And I just want to know proper procedure to do.

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Imen GH
Imen GHBest answer
ST Employee
July 28, 2021

Hello @Community member​ ,

This  is a typo: this should be MDMA instead of DMAEN

In the ADCx_CCR DMACFG, it should indicate “effective only when MDMA[1:0] != 0�?.

I have raised the error internally for fix .

Thanks for your contribution. 

Imen  

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2 replies

Imen GH
Imen GH
ST Employee
July 27, 2021

Hello @Community member​ ,

I will check and get back to you as soon as possible .

Imen

Imen GH
Imen GHBest answer
ST Employee
July 28, 2021

Hello @Community member​ ,

This  is a typo: this should be MDMA instead of DMAEN

In the ADCx_CCR DMACFG, it should indicate “effective only when MDMA[1:0] != 0�?.

I have raised the error internally for fix .

Thanks for your contribution. 

Imen  

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