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ULINK: Maximum number of devices supported in a JTAG Chain

Information in this knowledgebase article applies to:

  • ULINK2 Debug Adapter
  • ULINKpro Debug Adapter
  • ULINKplus Debug Adapter


What is the maximum number of devices that are supported in a JTAG chain ?


Theoretically, 64 devices are supported in a JTAG chaining by ULINK2 and ULINKpro.

Please note that JTAG chaining is currently not supported with ULINKplus but it might be implemented in the MDK versions released after MDKv5.25


Last Reviewed: Wednesday, March 7, 2018

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