AN2604

Features

The ATmega48PB/88PB/168PB introduces several new features:

Four extra GPIO pins
- One pair of GND and VCC removed and replaced with two extra GPIO pins
- Two pins that previously only had ADC input channels are now multiplexed with GPIO
USART Start Frame Detection available in all sleep modes
Analog Comparator output to pin added
Serial number (Unique Device ID) added

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.