rdpoor Beginner

  • Member since Apr 25th 2018
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  • rdpoor -

    Posted the thread VTarget = 0.0V but JTAG pin 1 = 3.3V.

    My J-Link EDU is unable to connect with my target processor (an ATSAME54P20). Here's what J-Link Commander reports upon startup: Source Code (13 lines) The suspicious part is "VTref=0.000V". But when I measure the voltage on pin 1 of the 20 pin JTAG…