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Can I use the Cyclone for Renesas to lock/secure the Renesas microcontroller?
Alexander L. Aug 10, 2016 at 12:59 PM (12:59 hours)
Staff: Esteban G.

  • We are using the tool "Cylone for Renesas" for the programming of our Renesas microcontroller, and we want also to lock/secure this 
    Renesas microcontroller, it this tool supported to do that? If yes, how can we
    do that?


  • Hi Alexander,

    Flash security is dependent on the device and architecture. For some devices there may be a Read Out Protect bit in one of the Option Bytes. You can check the specific device manual for security information.

    • Hi Esteban,

      we want to have the security function "Disabling write"
      (please check the Page 1128 of User’s Manual:Hardware for RL78 microcontroller).

      Can you implement that?

      Best regards

  • The function is now supported in the latest firmware.

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