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MSP430F5659: How to detect USB connection

Leo Wu
Intellectual 2120 points

Part Number: MSP430F5659

Hi experts,

The MSP430F5659 typically operates in low-power mode. My customer wants the MSP430 to exit low-power mode after detecting a USB connection. How can this be achieved?

Thanks,

Leo

  • 0
    TI__Expert 8345 points

    Hi Leo, you should be able to use an interrupt once the MSP detects the 5V power which triggers the PUR_EN bit. The available interrupts for USB specifically can be found in the reference manual on table 42.2:USB Interrupt Vector Generation. You should then be able to use this as an interrupt to wake the device from LPM. Hope this helps!

    -Brian

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