Atmel AVR1019: Migration from ATxmega128A1/64A1 to ATxmega1281U/64A1U 8-bit Atmel Microcontrollers Application Note

PublishTime：2021-10-26

This application note is a guide to assist users of ATxmega128A1/64A1 in converting designs to Atmel ATxmega128A1U/64A1U. For complete device details, always refer to the most recent version of the ATxmega128A1U/64A1U datasheet and the Atmel® AVR® XMEGA® AU manual. Errata differences between ATxmega128A1/64A1 and ATxmega128A1U/64A1U are not listed in this document, only in the device datasheet.
In addition to the differences described in this document, other typical characteristics could be different. Please check the latest datasheet for details.
ATxmega128A1U/64A1U also includes new configuration options and functions. As far as possible these are implemented as a superset of existing ATxmega128A1/64A1 functions, so existing code for these devices will work on the new devices without changing existing configuration or enabling new functions. The new options and functions are listed in the application note for customers who in addition to a pure migration also wish to see an overview to consider use of the new functions.
● Features:
■ Enhancements and added functions
■ Reset sources
■ I/O ports
■ DAC – digital to analog converter
■ AC – analog comparator

Brand of Product：	Microchip
Part#：	AVR1019 、 ATxmega128A1 、 ATxmega164A1 、 ATxmega64A1U 、 ATxmega128A1U More Part#
Product Category：	8-bit Atmel Microcontrollers More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	07/11
Version Number：	Rev. 8415A-AVR-07/11
Data Encoding：	8415A-AVR-07/11
Data Size：	80 KB

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