在官网器件下面的Application note 里有一些移植知道文档。
AVR094: Migrating from ATmega8 to ATmega88
AVR532: Migration from ATmega48/88/168 to ATmega48A/88A/168A
AVR512: Migration from ATmega48/88/168 to ATmega48P/88P/168P
AVR528: Migrating from ATmega48P/88P/168P to ATmega48PA/88PA/168PA
AN2605 - Migrating from ATmega48PA/88PA/168PA to ATmega48PB/88PB/168PB