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Shorten the Secure Boot Time in Traveo S6J3XXX Series MCUs - KBA222350

Shorten the Secure Boot Time in Traveo S6J3XXX Series MCUs - KBA222350

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Translation - Japanese: Traveo S6J3XXXシリーズMCUのセキュアブート時間短縮 - KBA222350 - Community Translated (JA)

Question:

How can I shorten the secure boot time in Traveo™ S6J3XXX series MCUs?

Answer:

If SHE=ON, it is possible to shorten the secure boot time by setting the following registers:

  • Platform manual: BootROM software interface
  • SHE Secure Boot Mode Marker (BDR_SBMM)

0x0: Jump to user program before secure boot is completed

Except 0x0(default): Jump to user program after secure boot is completed

  • Debugger Connection Wait Enable Marker (BDR_DWEM)

0x292D3A7B: Debugger connection wait is disabled. It does not wait for debugger connection after the reset is released (included the state change from PSS mode to RUN mode).

Except above value: Debugger connection wait enabled.

Note: This KBA applies to the following series of Traveo MCUs:

  S6J3110

  S6J3120

  S6J3200

  S6J3300

  S6J3350

  S6J3360

  S6J3370

  S6J3400

  S6J3510

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