40.1 Rev. DS40001909A – 05/2017

  1. Change of document style.
  2. New Microchip document number. Previous version was Atmel document 42176 rev.G.
  3. Absolute Maximum Ratings: add note for reset pad voltage.
  4. Update I/O Multiplexing
  5. ASSR: Change Bit 3 name to OCR2AUB: Output Compare Register2 Update Busy.
  6. Update Alternate Functions of Port B, Alternate Functions of Port C, Alternate Functions of Port D, Alternate Functions of Port E
  7. ADC - Analog to Digital Converter
  8. Add Errata Rev. O for ATmega168PB.
  9. Electrical Characteristics - DC Characteristics: AC Input Offset Voltage improvement