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MSP430FR6005: Recommended course of action for Unused pin of MCU

Part Number: MSP430FR6005


Dear Forum members

I am currently designing a PCB and utilizing the MSP430 MCU. I have noticed that there are several unused pins. Should I leave these pins unconnected or is there a recommended course of action for dealing with them?

thanks and regards

Neeraj

  • Hi Neeraj

    To prevent a floating input and to reduce power consumption, unused I/O pins should be configured as I/O function, output direction, and left unconnected on the PCB. Alternatively, the integrated pullup or pulldown resistor can be enabled by setting the PxREN bit of the unused pin to prevent a floating input.

    Thanks

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