Timer update event interrupt retriggering after exit.

[mark_verheyen]

Posted on January 21, 2011 at 20:18

Timer update event interrupt retriggering after exit.

[mark_verheyen]

Posted on May 17, 2011 at 14:22

Great!  Thank you for the thorough explanation.  Would it be possible to put this level of detail in the technical manual?

Mark

[Nickname13914_O]

Posted on May 17, 2011 at 14:22

Hi Mark,

I just found a similar explanation in the FAQ.

/FAQ/Lists/faqlist/DispForm.aspx?ID=144

[etienne2]

Posted on July 02, 2014 at 11:19

The relevant faq entry has been moved:

https://my.st.com/public/Faq/Lists/faqlst/DispForm.aspx?ID=143

[Tesla DeLorean]

Posted on July 02, 2014 at 13:26

As a clickable link

https://my.st.com/public/Faq/Lists/faqlst/DispForm.aspx?ID=143

I'll note that the suggestion to use bit-banding is probably a bad one, and particularly dangerous for TIMx->SR cases as it's only atomic from the processors perspective. It can result in dismissing interrupts that pend in the 4 or whatever cycles between the read/write