39 Revision History

Doc. Rev.	Date	Comments
C	02/2018	Packaging Information Updated package drawings Updated Errata
B	01/2018	Accessing 16-Bit Registers Updated bit sequence for write operation Updated Figure 9-2 Updated capacitances in Table 11-3 and Table 11-7 Removed JTAG-related bits as ATmega328PB does not support JTAG Corrected registers TCCR1C and TCCR3C Updated Errata
A	04/2017	Change of document style. New Microchip document number. Previous version was Atmel document 42397 rev.C. Update the color of PB3, PB4 and PB5 in the Pin Configurations Update Temperature Measurement Updated the CFD - Clock Failure Detection mechanism Updated the offset for SPL and SPH Updated the description of GTCCR and TWBR Updated PTC Features Updated Table 32-5 Electrical Characteristics: Removed all notes that are referring to production testing. Updated the Low-Power Crystal Oscillator Updated the Power-on Reset Threshold Voltage (rising) and (falling) in the Table 33-6 Updated the Simple Assembly Code Example for a Boot Loader Updated the Power Consumption Add Signature Row Summary - SIGROW Update Figure 22-2 Update bits in ADCSRB
42397C	10/2015	Features : Added Unique Serial ID. Updated Power-down, Power save and removed the related note Updated the Block Diagram Updated the Pin Configurations Removed the Electrical Specifications from the Configuration Summary Updated the I/O Multiplexing section Removed Capacitive Touch Sensing section Updated the Low Power Crystal Oscillator Operating Modes and associated notes Updated 128kHz Internal Oscillator section Updated Operations section in CFD - Clock Failure Detection mechanism Updated Reset and Interrupt Vectors in ATmega328PBB Updated Alternate Port Function section Removed the note below Input Capture Unit Block Diagram for TCn Updated Figure Compare Match Output Unit, Schematic Updated Figure Output Compare Unit, Block Diagram Updated Figure Output Compare Modulator, Schematic Updated Figure Output Compare Modulator, Timing Diagram Updated Table 28-3 Updated Signature Row Addressing Updated the Power Consumption Updated the values and units of RREF and RAIN in ADC Characteristics Replaced all Typical Characteristics
42397B	09/2015	Revised the Pin Diagram Included new registers for Timer/Counter 3 and 4 Updated Register Summary
42397A	07/2015	Initial document release.

C

02/2018