ULINK2 User's Guide

Atmel AT91SAM3 Devices

Atmel AT91SAM3 devices support all standard CoreSight features. ETM trace is not included. No additional target resources are needed for debugging. By default, AT91SAM3 devices debug in JTAG mode, and can be switched to Serial Wire mode. AT91SAM3 devices offer ITM and DWT trace data.

To use the CoreSight trace functionalities, the debugger adapter and connector, as well as µVision have to be configured properly:

• Enable Serial Wire Trace

For additional information, refer to the AT91 ARM Cortex-M3 based Microcontrollers - SAM3U Series manual.