Hello:
I am about to embark on a project using the mega48 in the sleep mode. I am assuming that while in the deep sleep mode that the I/O ports can maintain their outputs (that is driving LEDs, pullups on, etc) during the sleep. My understanding is that all clocks will be shut off in the deep sleep mode & I will need some sort of interrupt to wake things up and continue with normal operation.
I am also assuming the restart will not begin from "reset", but from the appropriate interrupt vector location.