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TI Home » TI E2E Community » Support Forums » Microcontrollers » MSP430™ Microcontrollers » MSP430 Ultra-Low Power 16-bit Microcontroller Forum » Launchpad external powersupply
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  • Launchpad external powersupply

    Launchpad external powersupply

    This question is not answered
    Gtracoin
    Posted by Gtracoin
    on Jun 10 2012 10:55 AM
    Prodigy50 points

    Hello,

    Is it possible to the supply the launchpad externally by J4 or J6 using 3,3V. (after removing VCC jumper from J3).

    And using the application UART and programming/debugging the device via USB emulation.

    This because the emulation circuit is supplied by 3,6V.

    Best regards,

    launchpad external supply
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    • Roberto Romano
      Posted by Roberto Romano
      on Jun 10 2012 16:16 PM
      Mastermind6840 points

       Yes but provide some circuit on emulator side to protect RX and TX from be powered before emulator from target side. This can cause parasitic bulk thyristor to fire on both side where powered last and burn out emulator or target or both in the worst case.

       Regards

       Roberto


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