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MSP430F2274 logic level during debug/program ?

Andrea Bosi
Prodigy 70 points
Other Parts Discussed in Thread: MSP430F2274

Hi everyone,

I need an information about MSP430F2274 behavior during program session. Which are the logic level of the pins during this period (H,L,Hi-Z)?

Because I need to know if I have to insert in my circuit pull-up or pull-down to prevent unwanted logic level on some pins.

Thanks to all

Andrea

 

  • 0
    Intellectual 355 points

    Hi Andrea, 

    When you have not defined a pin as an output with a logic level, it is usually set as an input pin...then you could take it as Hi-Z...if you need a logic level during those unknown states I would suggest you using a pull up or pull down according to your needs. 

    Therefore, It should be taken into account when making your firmware and also (very important) estimating your power comsumption. 

  • 0
    Guru 227245 points

    Since usually a program session is started with a device reset, the pins should be in BOR state. (high-Z)

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