erik malund wrote:
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I took a look at this chip (which I will never use) and found an Atmelism in the datasheet

in the description of the watchdog you find
"There are two methods of exiting Power-down mode: by a hardware reset or via a level-activated external interrupt which is enabled prior to entering Power-down mode."

in the description of power down you find
"Exit from Powerdown mode can be initiated either by a hardware reset or by an enabled external interrupt." with no mention of "level-activated"

could this be your problem?

Erik



Hi erik,
please tell me, what you know of my name.
POMUTZ@t-online.de

with regards
Manfred POMUTZ