Keil ULINK Series
Keil ULINK Series

Debug and Trace Adapter

The Keil ULINK family of debug and trace adapters connects the host computer via USB to your target system. ULINK uses on-chip debug interfaces and supports application debugging and flash programing.

The ULINK family supports traditional features like simple and complex breakpoints, watch windows, and execution control. Using the Serial Wire Output (SWO), additional trace features like event viewer and logic analyzer are supported.

The ULINKpro debug and trace adapter additionally interfaces to ETM trace connectors and uses streaming trace technology to capture the complete instruction trace for code coverage and execution profiling.

ULINK – Edition ULINKpro ULINKproD ULINKplus ULINK2
Debug & Trace
  • Serial Wire Debug ( SWD )
  • Data Trace ( ITM )
  • Data & Event Trace ( SWO )
  • Instruction Trace ( ETM )
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100 Mbits/s
800 Mbits/s		 ✔
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100 Mbits/s		 ✔
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50 Mbits/s		 ✔
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1 Mbits/s
Supported Devices
  • ARM7/9
  • Cortex-M series
  • XC800/μPSD/XC166/LPC950
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Energy Measurement & Test     ✔  
Electric Isolation (1 kV) optional optional integrated  
I/O Voltage Range 1.2V - 3.3V 1.2 V - 3.3 V 1.2 V - 5.5 V 2.7V - 5.5 V
Target Connector
  • 10-pin (0.05”)
  • 20-pin (0.10”)
  • 20-pin (0.05”)
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Connects to
  • Keil MDK-ARM
  • Keil PK51
  • Keil PK166
  • ARM DS-5
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Order-Code ULINKPRO ULINKPRO-D ULINKPLUS ULINK2
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