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Dual USART DMA configuration issue on STM32F722

David Pekin
Senior
Posted on February 16, 2018 at 23:03

The original post was too long to process during our migration. Please click on the attachment to read the original post.
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Posted on February 16, 2018 at 23:29

USART2 will be on DMA1, not DMA2

0690X00000604OfQAI.jpg
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4 REPLIES 4
Posted on February 16, 2018 at 23:29

USART2 will be on DMA1, not DMA2

0690X00000604OfQAI.jpg
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Posted on February 17, 2018 at 00:05

You are the man!! 

I know there had to be that table somewhere.  What document did that come out of?  I looked in the data sheet for the STM32F722 and it's not there.   

Thanks!!!

Posted on February 17, 2018 at 00:27

This is out of the Reference Manual (RM0431)

http://www.st.com/content/ccc/resource/technical/document/reference_manual/group0/c8/6b/6e/ce/dd/f7/4b/97/DM00305990/files/DM00305990.pdf/jcr:content/translations/en.DM00305990.pdf

 

Page with assorted resources

http://www.st.com/en/microcontrollers/stm32f722ze.html

 
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Posted on February 17, 2018 at 00:52

Got it.  Wow, that will come in handy moving forward!  Thanks