Für alle Interessierten hier der Link:
http://www.hobbyking.com/hobbyking/store/__21977__HobbyKing_Multi_Rotor_Control_Board_V3_0_Atmega328_PA_.html
zu finden in der neuen Rubrik Multi-Rotors & Parts ...
http://www.atmel.com/dyn/resources/prod_documents/doc8161.pdf
in Abschnitt 2.2 steht:
Comparison Between ATmega48PA, ATmega88PA, ATmega168PA and ATmega328P
The ATmega48PA, ATmega88PA, ATmega168PA and ATmega328P differ only in memory
sizes, boot loader support, and interrupt vector sizes. Table 2-1 summarizes the different memory
and interrupt vector sizes for the three devices.
(...)
ATmega88PA, ATmega168PA and ATmega328P support a real Read-While-Write Self-Programming
mechanism. There is a separate Boot Loader Section, and the SPM instruction can
only execute from there. In ATmega48PA, there is no Read-While-Write support and
für nen schnellen Vergleich nehm ich immer diese Tabelle hier: http://www.mikrocontroller.net/articles/AVR_Typen
Gruß Klaus