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DINT after EINT

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I would like to get a confirmation that:

Statement:

If a DINT is placed after an EINT, at least one instruction must be inserted in-between.

example:

EINT
NOP
DINT
NOP

 

Reason is that EINT executes the next instruction before servicing any interrupts, but the actual behavior on our f5437(non-A) gives some unpredictable behavior if there is no instructions like NOP in-between EINT and DINT - and an interrupt is pending.

Can anyone confirm our experience ?


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