4 New Features
This chapter summarizes the enhancements or added features in ATmega48PB/88PB/168PB compared with ATmega48PA/88PA/168PA.
- USART Start Frame Detection is available in all sleep modes
- Analog Comparator output is available on a pin. (This pin is multiplexed with PE0.)
- Serial Number (Unique Device ID)
- picoPower