Skip to main content
David Pekin
David Pekin
Senior
Feb 16, 2018 10:03 PM UTC
Solved

Dual USART DMA configuration issue on STM32F722

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.
    This topic has been closed for replies.
    Tesla DeLorean
    Tesla DeLoreanBest answer
    Guru
    Feb 16, 2018 10:29 PM UTC
    Posted on February 16, 2018 at 23:29

    USART2 will be on DMA1, not DMA2

    0690X00000604OfQAI.jpg
    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..
    View in thread

    4 replies

    Tesla DeLorean
    Tesla DeLoreanBest answer
    Guru
    Feb 16, 2018 10:29 PM UTC
    Posted on February 16, 2018 at 23:29

    USART2 will be on DMA1, not DMA2

    0690X00000604OfQAI.jpg
    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..
    David Pekin
    David PekinAuthor
    Senior
    Feb 17, 2018 12:05 AM UTC
    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!!!

    Tesla DeLorean
    Tesla DeLorean
    Guru
    Feb 17, 2018 12:27 AM UTC
    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

     
    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..
    Terms & ConditionsAccessibility statement