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Market Leading Development Tools—J-Link and J-Trace PRO

The J-Link debug probes with their outstanding performance, robustness, and ease of use are the market leading debug probes today. The J-Trace PRO sets a benchmark for instruction tracing with its streaming trace function that enables unlimited tracing at full clock speed.



J-Trace PRO: The Leading Trace Solution

J-Trace PRO

J-Trace PRO is an advanced debug probe that supports Arm's advanced tracing features of Arm Cortex cores.


  • Supports Streaming Trace (trace data is streamed to PC/debugger in real time, unlimited trace buffer)
  • Has all the J-Link functionality
  • Gigabit Ethernet interface
  • SuperSpeed USB 3.0 interface (1.2 GBit/s)
  • JTAG speed: 50 MHz
  • Works with all currently available Cortex-M devices up to 150 MHz ETM trace clock (300 MHz CPU clock)
  • Supports tracing on Cortex-M/R/A targets
  • Free software updates
  • 64 MB on-board trace buffer for legacy one-shot tracing mode


J-Link PRO Debug Probe with Ethernet

SEGGER J-Links are the most widely used line of debug probes available today. They've proven their value for more than 10 years.


  • Ultrafast download speed
  • Unlimited breakpoints in flash memory
  • Real-Time Transfer technology for extended debug information
  • All popular devices are supported (ARM, 8051, PIC32, RX)
  • All popular debuggers are supported
  • Cross platform support (Windows, Linux, Mac)
  • Free updates