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Cortex-M3 Introduction and Specific SAM3U Implementation Slide 12
The table shown on this slide highlights the differences between the 144-pin and 100-pin versions of the SAM3U. The 144-pin version offers a 16-bit external bus interface with four chip select lines and an 8-bit multimedia card interface. In addition, both ADCs are upgraded to eight channels in the 144-pin version and one will be able to use up to ninety six GPIOs. The features which are not mentioned in this table are similar in both versions.
PTM Published on: 2011-12-27