14.2.3 SW-DP/JTAG-DP Access

SW-DP/JTAG-DP access is during execution of the ROM code. It is re-enabled when:

jumping into the user application in Flash after the execution of the Standard boot or Secure boot mode
executing the FFPI Monitor
executing the SAM-BA Monitor

Note that the JTAG access remains locked during the execution of the Secure SAM-BA Monitor and its secured applets.

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