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Problem with msp430g2553

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Hi everyone,

I face with a problem as below when using MSP430G2 launchpad (LP) to flash code and debug MSP430G2553:

- When I connect LP to the target board ( designed as attached file) my program work fine.

- When I disconnect LP, and use a USB port to power the target board, it does not work.

 

I am doubting about my schematic of power supply, is it stable enough for MCU?

(Resistor for RST pin = 47K).

Please help to solve my problem.

Thank you!

Attached Thumbnails

  • msp430.PNG
  • msp430.PNG

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