ATtiny13 auslesen
avrdude -c linuxspi -p t13 -P /dev/spidev0.0 -U flash:r:"/tmp/name.hex":i
ATTiny13 schreiben
avrdude -c linuxspi -p t13 -P /dev/spidev0.0 -U flash:w:"/tmp/name.hex"
oder
avrdude -c linuxspi -p t13 -P /dev/spidev0.0 -B 1 -U flash:w:"/tmp/name.hex"