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ULINK2 User's Guide
Introduction Hardware Description Setup ULINK2 Setup Flash Programming Using ULINK2 
Configure Cortex-M Devices for Tracing Atmel AT91SAM3 Devices 
Enable Serial Wire Trace Luminary LM3Sx Devices Enable Serial Wire Trace NXP LPC17xx Devices Enable Serial Wire Trace STMicroelectronics STM32F10xxx Devices Enable Serial Wire Trace Toshiba TMPM330 Devices Enable Serial Wire Trace µVision Windows Real-Time Agent AppendixNXP LPC17xx Devices
NXP LPC17xx devices support all CoreSight features including ETM trace. No additional target resources are needed for debugging. By default, LPC17xx devices debug in JTAG mode, and can be switched to Serial Wire mode. LPC17xx devices offer ETM, ITM, and DWT trace data. However, to capture ETM trace data, a ULINKpro debugger adapter is needed instead of ULINK2.
To use the CoreSight trace functionalities, the LPC17xx device, the debugger adapter and connector, as well as µVision have to be configured properly:
Note
- While debugging, the LPC17xx cannot wake up in the usual way from deep-sleep and power-down modes. Preferably avoid to use these modes during debugging.
- Also, while debugging, the SYSTICK timer and the Repetitive Interrupt Timer (RIT) are stopped automatically whenever the CPU is stopped. Other peripherals are not affected.
- If the Repetitive Interrupt Timers is configured such that its PLCK is lower than the CPU clock rate, it might not increment predictably during single-stepping operations.
- Debugging is disabled when Code Read Protection (CRP) is enabled.
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