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# Lock JTAG mode

Once the desired JTAG interface configuration is programmed, you must lock the JTAG mode configuration so it cannot be overwritten by the OTP shadow registers.

To protect the JTAG mode configuration, use the following command:

    # trustfence jtag lock

To protect the response key from being read or overwritten, use the following command:

    # trustfence jtag lock_key

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Lock JTAG mode updated on 22 January 2018 02:43:38 PM