| Document | 
                            - Added ATtiny1614 Automotive to the data sheet
 - Added 20-pin SOIC
                                    to ATtiny1616 Automotive
 - Editorial
                                    updates
  
                         | 
| Device | 
                            - Changed
                                    introduction text to align with all tinyAVR® 0- and 1-series data sheets
 - Retention
                                    endurance numbers added/updated
 - Data Sheet
                                    Clarification Document chapter added 
 - Ordering
                                    Information moved 
 - I/O Multiplexing
                                    and Considerations updated
 - Overview updated
                                    with all automotive devices
  
                         | 
| Configuration and User Fuses | 
                            - CRCAPPDIS and
                                    CRCBOOTDIS replaced by CRCSRC
 - RSTPINCFG:
                                    Time-out after system reset when fused to be GPIO explained
  
                         | 
| BOD - Brown-out Detector | 
                            - Removed levels
                                    not characterized with minimum and maximum values
 - Added a note for
                                    typical values and reference to electrical characteristics
  
                         | 
| VREF - Voltage Reference | 
                            - Missing CTRLC and
                                    CTRLD registers added
  
                         | 
| TCA | 
                            - Added a note for
                                    alternative WOn pins
  
                         | 
| USART | 
                            - Clarified
                                    One-Wire mode
 - Clarified text
                                    about Disabling the Transmitter 
 - Reverted 32±6 to
                                    16±3 baud samples in RXMODE bits in CTRLB
  
                         | 
| SPI | 
                            - Clarified
                                    functionality for SPI SS pin
  
                         | 
| CRCSCAN | 
                            - Added a missing
                                    MODE bit field
 - Removed
                                    unsupported BACKGROUND and CONTINUOUS scan functionality
  
                         | 
| UPDI | 
                            - GPIO
                                    functionality disabled for a period after a system reset,
                                    changed from ms to clock cycles
  
                         | 
| Electrical Characteristics | 
                            - Added a note for
                                    Chip Erase in General Operating Ratings
 - Corrected number
                                    of PTC channels
  
                         | 
| Errata | 
                            
                         | 
| Ordering Information | 
                            - Updated with
                                    product page links and ordering codes
  
                         | 
| Product Identification System | 
                            - Updated with Tube
                                    and Tray packing media
  
                         | 
| Package Drawings | 
                            - Updated package
                                    drawings to Microchip standard
  
                         |