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TI Home » TI E2E Community » Support Forums » Microcontrollers » Stellaris® ARM® Microcontrollers » Stellaris® ARM® LM3S Microcontrollers Forum » LM3S5791 Meomry protection
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    LM3S5791 Meomry protection

    This question is not answered
    1954985
    Posted by 1954985
    on Feb 02 2012 08:09 AM
    Prodigy140 points

    Dear Narayanan,

    I am trying to protect the flash memory of TI contriller(LM3S5791) as execute only. But its not hapaning.Through LM Flash utility it can upload the code. For downloading purpose used JTAG connector.

    Code:

    #define FLASH_FMPRE0 0x400FE200

    #define FLASH_FMPPE0 0x400FE400

    #define HWREG(x) \

    (*((volatile unsigned long *)(x)))

     

    BLDR_vEnExeProtection()

    {

    HWREG(

    FLASH_

    FMPRE0)= 0xFFFF FFF0 ;

    HWREG(

    FLASH_

    FMPPE0)= 0xFFFF FFF0 ;

    }

    And also I am try with changing the Polocy combinations, with help of LM3S579_nu.pdf.

    Regarding this kindly provide me some information.

     

    Regards,

    raju

    USB Timers StellarisWare DriverLib LM Flash Programmer boot loader debugging USB Library usb driver DK-LM3S9B96 RDK-IDM-SBC LM3S9B92 USB Host Flash memory control interrupt
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    • Lela Garofolo
      Posted by Lela Garofolo
      on Feb 06 2012 13:12 PM
      Genius17190 points

      see response at post:

      http://e2e.ti.com/support/microcontrollers/stellaris_arm_cortex-m3_microcontroller/f/471/t/162057.aspx

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