How can I unlock a secure processor when connecting via an emulator?
The ADSP-BF70x processor can be locked in order to protect customer IP. There may be times when they will want to gain access to that processor with an emulator and a special key is needed in order to do so. A custom board support file is recommended in this situation with the contents similar to the following, but with the appropriate key in the place of the ones shown:
Custom Board Support Example
The 128 bit user key format is
For information on locking the ADSP-BF70x processors, see chapter 30 of the ADSP-BF70x Blackfin+ Processor Hardware Reference manual.