Datasheet

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32145CS–06/2013
AT32UC3L0128/256
Table of Contents
Features ..................................................................................................... 1
1 Description ............................................................................................... 3
2 Overview ................................................................................................... 5
2.1 Block Diagram ...................................................................................................5
2.2 Configuration Summary .....................................................................................6
3 Package and Pinout ................................................................................. 7
3.1 Package .............................................................................................................7
3.2 Peripheral Multiplexing on I/O Lines ..................................................................8
3.3 Signal Descriptions ..........................................................................................13
3.4 I/O Line Considerations ...................................................................................16
4 Mechanical Characteristics ................................................................... 18
4.1 Thermal Considerations ..................................................................................18
4.2 Package Drawings ...........................................................................................19
4.3 Soldering Profile ..............................................................................................22
5 Ordering Information ............................................................................. 23
6 Errata ....................................................................................................... 24
6.1 Rev. C ..............................................................................................................24
6.2 Rev. B ..............................................................................................................26
6.3 Rev. A ..............................................................................................................30
7 Datasheet Revision History .................................................................. 37
7.1 Rev. C – 06/2013 .............................................................................................37
7.2 Rev. B – 01/2012 .............................................................................................37
7.3 Rev. A – 12/2011 .............................................................................................37
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