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Activating JTAG/boundary scan on BF70x

Question asked by hackfin on Apr 21, 2015
Latest reply on May 20, 2015 by JoeT



I am evaluating the BF707 as a new platform and have noticed that the test access port has completely changed. Because the projected hardware will likely have to undergo boundary scan testing, I was wondering if this can be done.

The HRM mentions something on p 37-4: "A special sequence on the SWDIOTMS pin is used to switch between JTAG-DP
and SW-DP". My questions:

  • Is the TAP in JTAG mode by default (such that boundary scan and device chaining is supported) ?
  • If not, is the "magic code" documented to enable JTAG?
  • Are there BSDL files available for the BF70x?


Best regards,


- Martin