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msp430f5328 unresponsive after bsl modification

sima khan
Prodigy 60 points

Other Parts Discussed in Thread: MSP430F5328

hello,

i was working on programming MCU (msp430f5328) using BSL, i have accessed UART BSL provided bi TI and i was able to communicate with BSL. after that i needed to start working in my own BSL, so i found the sources provided in SLAA450. i made some modifications to memory mapping in linker file to be compatible with our MCU then i burned the .txt file using FETpro 430 software. and downloaded an application.. somehow i lost control on MCU.. BSL cant be accessed and also the JTAG.. when i try to use CCS it gives "UNKNOWN DEVICE" error.


is there any chance that i can recover my MCU?!! :'( :'(

  • 0
    Guru 34973 points

    sima khan said:

    is there any chance that i can recover my MCU?!! :'( :'(

    Unfortunately, no. With bad BSL and locked SBW / JTAG it is not possible to re-flash it anymore.

  • 0 in reply to zrno soli
    Prodigy 60 points

    zrno soli said:

    is there any chance that i can recover my MCU?!! :'( :'(

    Unfortunately, no. With bad BSL and locked SBW / JTAG it is not possible to re-flash it anymore.

    [/quote]

    thanks for reply zrno..
    can you show me please how to write my own BSL properly (in defined steps) without causing my MCU to fail again. i have read both documents programming MSP430 through BSL, and creating custom BSL but i feel like theres still somethings i'm missing.

  • 0 in reply to sima khan
    Guru 34973 points

    sima khan said:

    thanks for reply zrno..
    can you show me please how to write my own BSL properly (in defined steps) without causing my MCU to fail again. i have read both documents programming MSP430 through BSL, and creating custom BSL but i feel like theres still somethings i'm missing.

    Regarding locking device problem with custom BSL ...

    http://e2e.ti.com/support/microcontrollers/msp430/f/166/t/325304.aspx

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