Demon thx very much,
actually digging deeper in datasheet i found much about IOC portb mask (same moment i saw your post)
IOCBF IOCBN IOCBP make advanced masking for rising falling or disabling on pin,
so regarding this, i can disable IOC on INT pin this is optimal for me...

is the same pdf saved on desktop, but few hours ago this wasn't there

like gold fish, newer know how small aquarium is....

regards