43.1 Rev. B - 07/2019

Section Changes
Document
  • Editorial updates.
Device
  • Introduction:
    • Added a note for automotive data sheets
    • Changed text to align with all tinyAVR® 0- and 1-series data sheets
  • Retention endurance numbers updated
  • Data Sheet Clarification Document chapter added
  • Ordering Information moved
  • I/O Multiplexing and Considerations updated
Configuration and User Fuses
  • CRCAPPDIS and CRCBOOTDIS replaced by CRCSRC
  • Removed unsupported TOUTDIS bit
  • RSTPINCFG: Time-out after a system reset when fused to be GPIO explained
PORTMUX
  • Updated with missing information
  • Removed unsupported functionality
BOD - Brown-out Detector
  • Removed levels not characterized by 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
CCL
  • Removed reference to interrupts
AC - Analog Comparator
  • Corrected the number of positive and negative inputs
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 the 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