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Cortex-M3 Introduction and Specific SAM3U Implementation Slide 5
The Cortex®-M3 used in the SAM3U has six code breakpoints and four general-purpose watchpoints, providing enough breakpoints for most cases of debugging. There are two debug interfaces: the JTAG and the Serial Wire Debug. The Cortex-M3 also allows live access to the core when the application is running, making it possible to read and write memory and to set or clear breakpoints on a running application.
PTM Published on: 2011-12-27