Solved
STWD100NXWY3F can‘t be normal to be worked
the STM32L431 can trigger per 0.102S by WDI, but WDO always have a reset signal, why ?
mƎALLEmBest answer
ST Technical Moderator
June 24, 2026
Hello,
You didn’t tell what is the part number of U4! it was not indicated in the screenshot as well!
If it’s not a ST part number you need to contact its manufacturer on its forum.
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