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Use Secure Provisiong Tool to erase flash

In worst cases a debugger cannot successfully connect to the board. A major reason for this is there are POR boot image inside the on board flash memory which causes the whole system in a trouble state. Secure Provisioning Tool provide a reliable way to erase the flash in this worst case. To achieve this

1. Set SW5[1:4] to 0001.

2. Connect the board to your PC from both J53 (Debugging) and J33 (USB OTG 1), then power up the board.

3. Start Secure Provisioning Tool, select Tool > Flash Programmer or Ctrl + R.

4. Click Yes to prompt up questions, wait memory initialization finish.

   

5. Click Erase all button and wait a minute for the erase process to finish.

   

6. After Success: Erase whole memory shows up, the board should have restored to a good state to work in various mode.

Parent topic:Bootable image generation