You can't do that the data sheet says so.
The processor will not have long enough in reset before it comes out due to the tri-stating of the output pins. If you must do this then use a monostable to generate the reset pulse.
real men don't read instructions (or datasheets)
Could you just put a big cap in the line to provide a longer signal?
So real men can't do electronics.
Well that is a poor man's monostable but the problem with that is the rise and fall time of the edges caused by the capacitor might interfere with the reset function.It is one of those areas where you might get it to work but it is not repeatable over different processor chips.
I need that because arduino is going to be up doing this job like 5 to 10 years and we can't break for that I need to reset it for good operation.
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