Features

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

• picoPower® 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