Datasheet

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32142DS–06/2013
ATUC64/128/256L3/4U
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 See Section 3.3 for a description of the various peripheral signals. ................12
3.3 Signal Descriptions ..........................................................................................15
3.4 I/O Line Considerations ...................................................................................18
4 Mechanical Characteristics ................................................................... 21
4.1 Thermal Considerations ..................................................................................21
4.2 Package Drawings ...........................................................................................22
4.3 Soldering Profile ..............................................................................................27
5 Ordering Information ............................................................................. 28
6 Errata ....................................................................................................... 30
6.1 Rev. C ..............................................................................................................30
6.2 Rev. B ..............................................................................................................32
6.3 Rev. A ..............................................................................................................36
7 Datasheet Revision History .................................................................. 43
7.1 Rev. D – 06/2013 .............................................................................................43
7.2 Rev. C – 01/2012 .............................................................................................43
7.3 Rev. B – 12/2011 .............................................................................................43
7.4 Rev. A – 12/2011 .............................................................................................43
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