| C | 10/2018 | 
                            - Updated
                                        megaAVR® 0-series family
                                    device
 - Added author
 - Minor editorial
                                    updates
  
                         | 
| B | 02/2018 | Chapter "Relevant Devices" has been updated to include
                            also tinyAVR® 0-series and megaAVR®
                            0-series. | 
| A | 09/2017 | 
                            - Converted to
                                    Microchip format and replaced the Atmel document number
                                    42779B
 - Added "Relevant
                                    Devices" and "Get source code from Atmel START" topic
  
                         | 
| 42779B | 11/2016 | Two images are updated:- Ultrasonic
                                    Distance Measurement using Configurable Custom Logic
                                    Peripheral
 - Range Finder
                                    Field Engagement Board
 
  | 
| 42779A | 10/2016 | Initial document release |